Aluminum-containing alloys for extrusion or other forging manufacturing processes

Abstract

The present invention relates to an alloy comprising aluminium and magnesium, to a method for producing said alloy, to a method for producing a product comprising said alloy, to a product comprising said alloy, in particular the use of said alloy in an extrusion or other forging manufacturing process.

Description

[Technical field]

[0001] The present disclosure relates to an alloy comprising aluminum and magnesium, a method for producing said alloy, a method for producing products comprising said alloy, and products comprising said alloy, particularly the use of said alloy in extrusion or other forging manufacturing processes. [Background technology]

[0002] The extrusion process is used as a forming process for a variety of aluminum products, such as rods, wires, tubes, hollow profiles, solid profiles, and irregular shaped prismatic profiles.

[0003] Such products desirably have high elongation and high strength. Such properties provide the aluminum product with excellent energy capture capabilities. Therefore, such aluminum products are applied in the automotive industry, for example in the manufacture of mechanically stable parts of cars to increase crash safety for passengers. Further applications of extruded aluminum products may be in aircraft engineering, shipbuilding, train construction, and the construction sector.

[0004] An important aspect in the production of aluminum products by extrusion process is the aluminum alloy. Such alloys must have a coarse grain structure to provide sufficient deformation characteristics, i.e. good formability, which is essential for successful extrusion. It is understood that the microstructure of the aluminum alloy is refined during forming by the extrusion process. This refines the microstructure of the aluminum product, thus increasing its strength and elongation properties.

[0005] It is therefore understood that aluminum alloys used in casting applications etc. are not suitable for application in extrusion processes: such alloys are generally designed to provide high strength after casting, however this means that high forces are required during extrusion that exceed the limits imposed by available extrusion presses and plants.

[0006] Another important parameter in the forming of aluminum alloys by extrusion is the extrusion temperature, the level of which is limited by the individual alloy plasticity, in particular its resistance to thermal shock. Localized heating of the alloy during forming can occur, especially in the die area, which can lead to melting, which impairs the mechanical properties of the final extruded product.

[0007] In conclusion, the design possibilities in extrusion are mainly influenced and limited by the type of alloy, the available process power and the extrusion orientation. The advantage of extrusion is that even profiles with complex shapes can be produced. The high degree of forming that can be achieved in one process step and the low tooling costs make extrusion especially interesting for the production of relatively small batches.

[0008] In the prior art, various metals and alloys are described as suitable for the manufacture of products by extrusion or forging processes, including aluminum and aluminum alloys, which are manufactured into heat sink profiles and building profiles. Frequently, copper and copper alloys or stainless steels are used to produce seamless tubes.

[0009] The quality of extruded parts depends heavily on the machine settings and tool design (geometry) as well as on the selected alloy system. Mainly AlMn(Cu) alloys from the 2000 or 5000 series alloys according to the International Alloy Designation System and AlMgSi alloy systems from the 6000 series alloys according to the International Alloy Designation System are widely used for extrusion products. The chemical composition and microstructure of aluminum alloys are crucial parameters for the obtained product properties in the production of aluminum products by extrusion process.

[0010] Usually, the required mechanical properties, especially the yield strength R m and tensile strength R p0.2High strength in terms of strength is achieved by adding copper and / or zinc to the alloy. In addition, these alloys are subjected to heat treatment to achieve improved mechanical properties due to a hardening effect. In this process, metastable phases are formed to oppose the movement of dislocations when force is applied. Alternatively, Al-Mn alloys (3000 series alloys according to the International System of Alloy Designations) can also be used. Summary of the Invention

[0011] There remains a need for aluminum alloys that can be used in extrusion and / or forging processes and that allow for the convenient production of aluminum products having good mechanical properties, in particular good tensile strength, good yield strength, and good elongation all together.

[0012] It has now surprisingly been found that the aluminum alloys of the present disclosure have good mechanical properties, in particular high tensile strength, high yield strength and high elongation, whilst enabling the alloy to be used in the manufacture of products by extrusion and / or forging processes.

[0013] In a first aspect, the present disclosure relates to an aluminum alloy comprising: a) 6-12% by mass of magnesium (Mg); b) 0.01 to 0.5 mass % titanium (Ti); c) 0.001 to 0.1 mass% boron (B); d) 0.002-0.2% by mass of beryllium (Be); e) 0 to 2.5% by mass of manganese (Mn); f) 0-0.2% by mass of iron (Fe); g) 0-5% by weight of zinc (Zn); h) 0-1% by weight chromium (Cr); i) 0 to 1 mass % zirconium (Zr); j) 0 to 0.5% by mass of vanadium (V); k) 0-0.06% by mass copper (Cu); l) 0-1% by mass of silicon (Si); m) 0 to 1% by weight of nickel (Ni); n) 0-0.5% by mass of cobalt (Co); The aluminum alloy further contains unavoidable impurities; The remainder is aluminum (Al); Each amount is based on the total mass of the alloy composition, with all components of the aluminum alloy adding up to 100 mass %.

[0014] In a second aspect, the present disclosure relates to an aluminium alloy product comprising an aluminium alloy according to the first aspect disclosed above.

[0015] A third aspect of the present disclosure relates to a method for producing an aluminium alloy according to the first aspect disclosed above, comprising the steps of: a) providing raw aluminum; b) heating the raw aluminum to a temperature in the range of 650-850°C, preferably 750-800°C; c) adding Mg and B to obtain a raw alloy; d) optionally degassing the raw alloy; e) adding Ti and B to the optionally degassed raw alloy to prepare an aluminum alloy; and f) Casting the aluminum alloy to prepare an aluminum billet.

[0016] In a fourth aspect, the present disclosure relates to a method for producing an aluminium alloy product according to the second aspect disclosed above, wherein producing the aluminium alloy product comprises the steps of: g) preheating an aluminum billet of the aluminum alloy according to the first aspect disclosed above to a temperature in the range of 400°C to 450°C to obtain a preheated aluminum billet; h) inserting the preheated aluminum billet from step g) into an extrusion press; i) extruding the preheated aluminum billet to obtain an extruded aluminum profile.

[0017] In a fifth aspect, the present disclosure relates to an extruded aluminium profile prepared by the method according to the fourth aspect disclosed above.

[0018] In a sixth aspect, the present disclosure relates to the use of an aluminium alloy according to the first aspect disclosed herein in an extrusion or forging process. [Brief description of the drawings]

[0019] [Figure 1] FIG. 1 is a schematic diagram of an aluminum hollow profile. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0020] Aluminum alloy In a first aspect, the present disclosure relates to an aluminum alloy comprising: a) 6-12% by mass of magnesium (Mg); b) 0.01 to 0.5 mass % titanium (Ti); c) 0.001 to 0.1 mass% boron (B); d) 0.002-0.2% by mass of beryllium (Be); e) 0 to 2.5% by mass of manganese (Mn); f) 0-0.2% by mass of iron (Fe); g) 0-5% by weight of zinc (Zn); h) 0-1% by weight chromium (Cr); i) 0 to 1 mass % zirconium (Zr); j) 0 to 0.5% by mass of vanadium (V); k) 0-0.06% by mass copper (Cu); l) 0-1% by mass of silicon (Si); m) 0 to 1% by weight of nickel (Ni); n) 0-0.5% by mass of cobalt (Co); The aluminum alloy further contains unavoidable impurities; The remainder is aluminum (Al); Each amount is based on the total weight of the alloy composition, with all components of the alloy adding up to 100% by weight.

[0021] The aluminum alloy of the first embodiment has high tensile strength (R m ), high yield strength (R p0.2 It has been found that the alloy has high tensile strength, high yield strength and good elongation (A), particularly when the alloy is used in an extrusion or other forging process.

[0022] In a preferred embodiment of the first aspect, the aluminium alloy is suitable for extrusion and / or forging applications.

[0023] In another preferred embodiment, the inevitable impurities are present in an amount of less than 0.15% by weight, or less than 0.1% by weight, or less than 0.05% by weight, relative to the total amount of impurities present in the alloy.

[0024] In another preferred embodiment, each individual impurity is present in an amount of less than 0.05% by weight, or less than 0.01% by weight, or less than 0.001% by weight, or less than 0.0001% by weight. When more than one impurity is present, each impurity is referred to as an "individual impurity." The amount of each individual impurity is preferably less than a respective predetermined amount, and the sum of the amounts of each individual impurity is the total amount of impurities.

[0025] One of these individual impurities may be thallium (Ta), where Ta is present in an amount of less than 0.05% by weight, or less than 0.01% by weight, or less than 0.001% by weight, or less than 0.0001% by weight.

[0026] Another of these individual impurities can be gallium (Ga), where Ga is in an amount of less than 0.05% by weight, or less than 0.01% by weight, or less than 0.001% by weight, or less than 0.0001% by weight.

[0027] Another of these individual impurities may be indium (In), where In is present in an amount of less than 0.05% by weight, or less than 0.01% by weight, or less than 0.001% by weight, or less than 0.0001% by weight.

[0028] Other examples of individual impurities include cerium (Ce), hafnium (Hf), lanthanum (La), niobium (Nb), molybdenum (Mo), yttrium (Y), or phosphorus (P).

[0029] As one of the essential elements, the aluminum alloy according to the first embodiment of the present disclosure contains magnesium (Mg) as a main material component in an amount of 6 to 12 mass %.

[0030] In a preferred embodiment of the first aspect, Mg is present in an amount of 6.5-12% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 7-12% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 7-12% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 8-12% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 8-11.5% by weight.

[0031] In another preferred embodiment of the first aspect, Mg is present in an amount of 6-10% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 6.5-9.5% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 7-9% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 7.5-8.5% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 8-8.5% by weight.

[0032] In another preferred embodiment of the first aspect, Mg is present in an amount of 8-12% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 9-12% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 9.5-12% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 10-12% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 11-12% by weight. In another preferred embodiment of the first aspect, Mg is present in an amount of 11-11.5% by weight.

[0033] It is understood that Mg is added to provide strength and elongation to the aluminum alloy product obtained by solid solution strengthening after extrusion. When Mg is present in an amount less than 6% by weight, the yield strength and elongation of the aluminum alloy product are reduced. On the other hand, when the Mg content exceeds 12% by weight, the hot workability of the alloy billet or slab rapidly decreases. This characteristic in turn makes the production of aluminum alloy products, especially by extrusion or other forging administration means, substantially difficult.

[0034] Another essential element in the composition of the aluminum alloy according to the first aspect of the present disclosure is titanium (Ti), present in an amount of 0.01-0.4 wt.% relative to the total mass of the aluminum alloy composition. In another preferred embodiment, Ti is present in an amount of 0.015-0.4 wt.%. In another preferred embodiment, Ti is present in an amount of 0.02-0.4 wt.%.

[0035] In a preferred embodiment, Ti is present in an amount of 0.01 to 0.3 mass%. In a further preferred embodiment, Ti is present in an amount of 0.01 to 0.3 mass%. In a further preferred embodiment, Ti is present in an amount of 0.01 to 0.2 mass%. In a further preferred embodiment, Ti is present in an amount of 0.015 to 0.15 mass%. In a further preferred embodiment, Ti is present in an amount of 0.015 to 0.08 mass%.

[0036] In another embodiment, Ti is present in an amount of 0.4% by weight or less. In a preferred embodiment, Ti is present in an amount of 0.3% by weight or less. In a further preferred embodiment, Ti is present in an amount of 0.2% by weight or less. In a further preferred embodiment, Ti is present in an amount of 0.15% by weight or less. In a further preferred embodiment, Ti is present in an amount of 0.1% by weight or less. In a further preferred embodiment, Ti is present in an amount of 0.08% by weight or less.

[0037] In another embodiment, Ti is present in an amount of 0.01 wt% or more. In a preferred embodiment, Ti is present in an amount of 0.015 wt% or more. In another preferred embodiment, Ti is present in an amount of 0.02 wt% or more.

[0038] The aluminium alloy according to the first aspect of the present disclosure comprises manganese (Mn) in an amount of 2.5% by weight or less. In a preferred embodiment, Mn is present in an amount of 1.5% by weight or less. In a further preferred embodiment, Mn is present in an amount of 1% by weight or less. In a further preferred embodiment, Mn is present in an amount of 0.5% by weight or less. In a further preferred embodiment, Mn is present in an amount of 0.1% by weight or less. In a further preferred embodiment, Mn is present in an amount of 0.05% by weight or less. In a further preferred embodiment, Mn is present in an amount of 0.01% by weight or less. In a further preferred embodiment, Mn is present in an amount of 0.005% by weight or less. In a further preferred embodiment, Mn is present in an amount of 0.0001% by weight or more. In a further preferred embodiment, Mn is present in an amount of 0.0005% by weight or more.

[0039] The aluminum alloy according to the first aspect of the present disclosure also comprises iron (Fe) in an amount of 0.15% by weight or less. In a preferred embodiment, Fe is present in an amount of 0.1% by weight or less. In a further preferred embodiment, Fe is present in an amount of 0.09% by weight or less. In a further preferred embodiment, Fe is present in an amount of 0.08% by weight or less. In a further preferred embodiment, Fe is present in an amount of 0.01% by weight or more. In a further preferred embodiment, Fe is present in an amount of 0.05% by weight or more.

[0040] Another element in the aluminum alloy according to the first aspect of the present disclosure is beryllium (Be), present in an amount of 0.002-0.2% by weight, based on the total weight of the aluminum alloy composition. In a preferred embodiment, Be is present in an amount of 0.002-0.15% by weight. In a preferred embodiment, Be is present in an amount of 0.003-0.1% by weight. In a further preferred embodiment, Be is present in an amount of 0.004-0.05% by weight. In a further preferred embodiment, Be is present in an amount of 0.005-0.02% by weight. In a further preferred embodiment, Be is present in an amount of 0.002% by weight or more. In a further preferred embodiment, Be is present in an amount of 0.003% by weight or more. In a further preferred embodiment, Be is present in an amount of 0.004% by weight or more. In a further preferred embodiment, Be is present in an amount of 0.005% by weight or more. In a further preferred embodiment, Be is present in an amount of 0.01% by weight or more. In a further preferred embodiment, Be is present in an amount of 0.015% by weight or more. In a further preferred embodiment, Be is present in an amount of 0.15% by weight or less. In a further preferred embodiment, Be is present in an amount of 0.1% by weight or less. In a further preferred embodiment, Be is present in an amount of 0.05% by weight or less. In a further preferred embodiment, Be is present in an amount of 0.02% by weight or less.

[0041] It is understood that Be is added to prevent oxidation of the molten metal during melting and casting of the alloy. Be also prevents Mg loss and superficial changes in color, which usually result from oxidation of the slab during melting, extrusion and / or heat treatment. If the Be content is less than 0.002% by weight, Be cannot effectively prevent oxidation of the alloy composition. On the other hand, a Be content of more than 0.2% by weight results in toxicity, which substantially impairs the manufacturing process.

[0042] In a preferred embodiment of the aluminum alloy according to the first aspect of the present disclosure, boron (B) is present in an amount of 0.001 to 0.1% by mass. In a further preferred embodiment, B is present in an amount of 0.002 to 0.08% by mass. In a further preferred embodiment, B is present in an amount of 0.002 to 0.06% by mass. In a further preferred embodiment, B is present in an amount of 0.002 to 0.04% by mass. In a further preferred embodiment, B is present in an amount of 0.003 to 0.02% by mass. In a further preferred embodiment, B is present in an amount of 0.003 to 0.016% by mass. In a further preferred embodiment, B is present in an amount of 0.002% by mass or more. In a further preferred embodiment, B is present in an amount of 0.0025% by mass or more. In a further preferred embodiment, B is present in an amount of 0.003% by mass or more. In a further preferred embodiment, B is present in an amount of 0.08% by mass or less. In a further preferred embodiment, B is present in an amount of 0.06% by mass or less. In a further preferred embodiment, B is present in an amount of 0.04% by weight or less. In a further preferred embodiment, B is present in an amount of 0.02% by weight or less. In a further preferred embodiment, B is present in an amount of 0.016% by weight or less.

[0043] In a preferred embodiment of the present disclosure, Ti and B are added to the aluminum alloy melt together, more preferably in a bar, such as TiBloy®, containing Ti and B in a Ti:B ratio of about 5:1, about 3:1, or about 1.6:1.4. However, the ratio of Ti and B in the final alloy may differ from the ratio of Ti and B when added to the melt. Without being bound by the theory, it is hypothesized that some of the B is removed when removing the dross from the melt. The dross is removed because it contains agglomerated impurities that are undesirable in the final alloy. It is further hypothesized that B is concentrated in the dross, especially with respect to Ti, due to the low specific gravity of B. As such, it is preferred that the Ti:B ratio in the final alloy is in the range of 3:1 to 10:1, preferably 5:1 to 10:1.

[0044] Ti and B form TiB2 in the molten alloy. Thus, TiB2 acts as a nucleating agent during the solidification of the molten aluminum alloy, thus refining the alloy. Thus, both the strength and ductility are increased.

[0045] Another element in the aluminum alloy according to the first aspect of the present disclosure is silicon (Si), present in an amount of 0-1 wt.% based on the total weight of the aluminum alloy composition. In a preferred embodiment, Si is present in an amount of 0.6 wt.% or less. In a further preferred embodiment, Si is present in an amount of 0.4 wt.% or less. In a further preferred embodiment, Si is present in an amount of 0.3 wt.% or less. In a further preferred embodiment, Si is present in an amount of 0.15 wt.% or less. In a further preferred embodiment, Si is present in an amount of 0.1 wt.% or less. In another preferred embodiment, Si is present in an amount of 0.001 wt.% or more. In a further preferred embodiment, Si is present in an amount of 0.005 wt.% or more.

[0046] It is understood that Si is added to aluminum alloys to increase their strength through solid solution strengthening. Furthermore, Si binds to excess Mg, thus preventing the precipitation of coarse particles of Mg. Upon crystallization, Si and Mg form Mg2Si intermetallic compounds, which increase the strength through precipitation hardening. On the other hand, the elongation / ductility is reduced. Therefore, Si may be added only to alloys with high elongation, e.g., 50% or more, to further improve their strength. In other words, Si is added to alloys with elongation of 50% or more.

[0047] Another element in the aluminum alloy according to the first aspect of the present disclosure is copper (Cu), present in an amount of 0-0.06% by weight, based on the total weight of the aluminum alloy composition. In a preferred embodiment, Cu is present in an amount of 0.05% by weight or less. In a further preferred embodiment, Cu is present in an amount of 0.03% by weight or less. In a further preferred embodiment, Cu is present in an amount of 0.02% by weight or less. In a further preferred embodiment, Cu is present in an amount of 0.01% by weight or less. In a further preferred embodiment, Cu is present in an amount of 0.005% by weight or less. In another preferred embodiment, Cu is present in an amount of 0.001% by weight or more. In a further preferred embodiment, Cu is present in an amount of 0.004% by weight or more.

[0048] It is understood that Cu may be added in an amount up to 0.06 wt.%. If Cu is present in an amount greater than 0.06 wt.%, the aluminum alloy is susceptible to corrosion.

[0049] Another element in the aluminium alloy according to the first aspect of the present disclosure is zinc (Zn), present in an amount of 0-5% by weight, based on the total weight of the aluminium alloy composition. In a preferred embodiment, Zn is present in an amount of 2.5% by weight or less. In a further preferred embodiment, Zn is present in an amount of 1% by weight or less. In a further preferred embodiment, Zn is present in an amount of 0.5% by weight or less. In a further preferred embodiment, Zn is present in an amount of 0.1% by weight or less. In a further preferred embodiment, Zn is present in an amount of 0.05% by weight or less.

[0050] It is understood that Zn is added to aluminum alloys to increase their strength through solid solution strengthening. Furthermore, Zn binds to excess Mg to form MgZn2, thus preventing the precipitation of coarse particles of Mg.

[0051] Another element in the aluminum alloy according to the first aspect of the present disclosure is chromium (Cr), present in an amount of 0-1 wt.% based on the total weight of the aluminum alloy composition. In a preferred embodiment, Cr is present in an amount of 0.5 wt.% or less. In a further preferred embodiment, Cr is present in an amount of 0.2 wt.% or less. In a further preferred embodiment, Cr is present in an amount of 0.1 wt.% or less. In a further preferred embodiment, Cr is present in an amount of 0.05 wt.% or less. In a further preferred embodiment, Cr is present in an amount of 0.01 wt.% or less.

[0052] Another element in the aluminium alloy according to the first aspect of the present disclosure is zirconium (Zr), present in an amount of 0-1 wt.% based on the total weight of the aluminium alloy composition. In a preferred embodiment, Zr is present in an amount of 0.5 wt.% or less. In a further preferred embodiment, Zr is present in an amount of 0.2 wt.% or less. In a further preferred embodiment, Zr is present in an amount of 0.1 wt.% or less. In a further preferred embodiment, Zr is present in an amount of 0.05 wt.% or less. In a further preferred embodiment, Zr is present in an amount of 0.05 wt.% or less.

[0053] Titanium, boron, manganese, zirconium, and chromium are added for grain refinement and to increase the strength of aluminum alloys. Even in small amounts, they act as nuclei during the solidification of the molten aluminum alloy, so that it solidifies simultaneously in many places, which results in a finer structure after extrusion and thus a higher strength of the aluminum alloy product.

[0054] Another element in the aluminum alloy according to the first aspect of the present disclosure is vanadium (V), present in an amount of 0-0.5% by weight, based on the total weight of the aluminum alloy composition. In a preferred embodiment, V is present in an amount of 0.25% by weight or less. In a further preferred embodiment, V is present in an amount of 0.15% by weight or less. In a further preferred embodiment, V is present in an amount of 0.1% by weight or less. In a further preferred embodiment, V is present in an amount of 0.05% by weight or less. In a further preferred embodiment, V is present in an amount of 0.01% by weight or less.

[0055] It will be appreciated that V is added to the aluminum alloy composition along with Be to prevent oxidation of the molten metal during melting and casting of the alloy.

[0056] Another element in the aluminum alloy according to the first aspect of the present disclosure is nickel (Ni), present in an amount of 0-1 wt.% based on the total weight of the aluminum alloy composition. In a preferred embodiment, Ni is present in an amount of 0.5 wt.% or less. In a further preferred embodiment, Ni is present in an amount of 0.2 wt.% or less. In a further preferred embodiment, Ni is present in an amount of 0.1 wt.% or less. In a further preferred embodiment, Ni is present in an amount of 0.05 wt.% or less. In a further preferred embodiment, Ni is present in an amount of 0.01 wt.% or less.

[0057] Another element in the aluminum alloy according to the first aspect of the present disclosure is cobalt (Co), present in an amount of 0-0.5% by weight, based on the total weight of the aluminum alloy composition. In a preferred embodiment, Co is present in an amount of 0.3% by weight or less. In a further preferred embodiment, Co is present in an amount of 0.2% by weight or less. In a further preferred embodiment, Co is present in an amount of 0.1% by weight or less. In a further preferred embodiment, Co is present in an amount of 0.05% by weight or less. In a further preferred embodiment, Co is present in an amount of 0.01% by weight or less.

[0058] It is understood that both Ni and Co are added to aluminum alloys to increase the temperature of recrystallization. This is particularly interesting in the manufacture of aluminum alloy products by extrusion or other forging applications, since the alloy is stabilized at high temperatures. Furthermore, Ni and Co can bind excess Mg, thus preventing the precipitation of coarse particles of Mg.

[0059] In another preferred embodiment, the aluminum alloy according to the first aspect of the present disclosure optionally comprises at least one element in an amount of 0-0.5% by weight, based on the total weight of the aluminum alloy composition, the at least one element being selected from the group consisting of molybdenum (Mo), hafnium (Hf), calcium (Ca), gallium (Ga), scandium (Sc), niobium (Nb), and cerium (Ce). In another preferred embodiment, said at least one element is present in an amount of 0-0.2% by weight. In another preferred embodiment, said at least one element is present in an amount of 0-0.1% by weight. In another preferred embodiment, said at least one element is present in an amount of 0-0.05% by weight.

[0060] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 6-12% by mass of magnesium (Mg); b) 0.01-0.4% by mass of titanium (Ti); c) 0.002 to 0.08 mass% boron (B); d) 0.002 to 0.1 mass percent beryllium (Be); e) 0 to 0.5% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0-2.5% by weight of zinc (Zn); h) 0-0.5% by weight chromium (Cr); i) 0 to 0.5 mass % zirconium (Zr); j) 0 to 0.25% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.6% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); The aluminum alloy further contains unavoidable impurities; The remainder is aluminum (Al); Each amount is relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminum alloy contains unavoidable impurities, which are preferably present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0061] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 6.5-12% by mass of magnesium (Mg); b) 0.015 to 0.15 mass percent titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.003 to 0.1 mass% beryllium (Be); e) 0 to 1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0-2.5% by weight of zinc (Zn); h) 0-0.2% by weight chromium (Cr); i) 0 to 0.2 mass % zirconium (Zr); j) 0 to 0.1% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.5% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0062] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 6-10% by mass of magnesium (Mg); b) 0.01-0.2% by mass of titanium (Ti); c) 0.002 to 0.04% by mass of boron (B); d) 0.003 to 0.1 mass% beryllium (Be); e) 0 to 1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0-2.5% by weight of zinc (Zn); h) 0-0.2% by weight chromium (Cr); i) 0 to 0.2 mass % zirconium (Zr); j) 0 to 0.1% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.6% by mass of silicon (Si); m) 0 to 0.1% by mass of nickel (Ni); n) 0 to 0.1% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0063] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 7-9% by mass of magnesium (Mg); b) 0.015 to 0.15 mass percent titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0 to 1% by weight of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.4% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0064] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015 to 0.15 mass percent titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0 to 1% by weight of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.4% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0065] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015 to 0.1 mass % titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.05% by mass of manganese (Mn); f) 0.01 to 0.1% by mass of iron (Fe); g) 0-0.5% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.3% by mass of silicon (Si); m) 0-0.2% by weight nickel (Ni); n) 0 to 0.1% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0066] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015 to 0.1 mass % titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.05% by mass of manganese (Mn); f) 0.01 to 0.1% by mass of iron (Fe); g) 0 to 0.1% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.15% by mass of silicon (Si); m) 0 to 0.1% by mass of nickel (Ni); n) 0 to 0.05% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0067] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.15% by mass of silicon (Si); m) 0 to 0.05% by mass of nickel (Ni); n) 0 to 0.05% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0068] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0069] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 8-8.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0070] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 8-12% by mass of magnesium (Mg); b) 0.015 to 0.15 mass percent titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0 to 1% by weight of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.4% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0071] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 8-12% by mass of magnesium (Mg); b) 0.015 to 0.1 mass % titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.05% by mass of manganese (Mn); f) 0.01 to 0.1% by mass of iron (Fe); g) 0-0.5% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.3% by mass of silicon (Si); m) 0-0.2% by weight nickel (Ni); n) 0 to 0.1% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0072] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 8-12% by mass of magnesium (Mg); b) 0.015 to 0.1 mass % titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.05% by mass of manganese (Mn); f) 0.01 to 0.1% by mass of iron (Fe); g) 0 to 0.1% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.15% by mass of silicon (Si); m) 0 to 0.1% by mass of nickel (Ni); n) 0 to 0.05% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0073] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 9-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.15% by mass of silicon (Si); m) 0 to 0.05% by mass of nickel (Ni); n) 0 to 0.05% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0074] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 9.5-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0075] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 9.5-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0076] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 10-12% by weight of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0077] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 11-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0078] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 11-11.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0079] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 6.5-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0080] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 7-12% by weight magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0081] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 7.5-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0082] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 8-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0083] In one embodiment, the present disclosure relates to an aluminum alloy comprising: a) 8-11.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); o) the aluminum alloy further contains unavoidable impurities; p) the remainder is aluminum (Al); each relative to the total weight of the alloy composition, all components of the alloy adding up to 100% by weight; the aluminium alloy contains unavoidable impurities, preferably the unavoidable impurities are present in an amount of less than 0.15% by weight, preferably less than 0.1% by weight, more preferably less than 0.05% by weight, and each individual impurity is present in an amount of less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight.

[0084] The aluminum alloy according to the first embodiment of the present disclosure, i.e., the aluminum alloy of the above composition, has excellent mechanical properties in terms of high strength, in particular high yield and / or high tensile strength, and high elongation at the same time. Furthermore, the aluminum alloy according to the first embodiment is resistant to corrosion. In addition, the aluminum alloy according to the first embodiment is anodizable, i.e., the aluminum alloy is suitable for anodization.

[0085] Aluminum alloy products In a second aspect, the present disclosure relates to an aluminium alloy product comprising or consisting of an aluminium alloy according to the first aspect disclosed above.

[0086] According to one embodiment, the aluminium product according to the second aspect of the present disclosure is an aluminium profile.

[0087] Aluminum profiles have a wide range of applications due to their low weight and ideal formability during production. The majority of profiles have longitudinal slots into which sliding blocks can be inserted and rotated. These sliding blocks have screw holes and can move in their grooves.

[0088] In addition to the sliding blocks, other accessories can be inserted into said longitudinal slots: materials such as acrylic glass, double web sheets, polycarbonate sheets, etc. Furthermore, the longitudinal slots can be used to accommodate seals, adjustable legs and sliding elements.

[0089] According to one embodiment, the aluminium product according to the second aspect of the present disclosure is an extruded aluminium profile.

[0090] According to a preferred embodiment, the extruded aluminum profile is an extruded aluminum hollow profile. According to a further preferred embodiment, the extruded aluminum profile is an extruded aluminum solid profile.

[0091] In a preferred embodiment, the extruded aluminum profile has a smallest part with a thickness in the range of 1 to 15 mm, preferably 1 to 10 mm, preferably 2 to 8 mm, preferably 2 to 6 mm; or 2 to 5 mm, preferably 2.5 to 4 mm.

[0092] It is understood that the sections having thicknesses in the ranges described above are the minimum diameters of the extruded hollow aluminum profile or extruded solid aluminum profile.

[0093] In another embodiment, the thickness refers to the thickness of the aluminum alloy part of the extruded aluminum profile. In one embodiment, the thickness of the extruded aluminum hollow profile is the wall thickness of the profile.

[0094] In one embodiment, the aluminum alloy of the extruded aluminum profile has a tensile strength R of at least 260 MPa. m In a preferred embodiment, the aluminum alloy of the extruded aluminum profile has a tensile strength R of at least 280 MPa. m In a preferred embodiment, the aluminum alloy of the extruded aluminum profile has a tensile strength R of at least 300 MPa. m In a further preferred embodiment, the aluminum alloy of the extruded aluminum profile has a tensile strength R of at least 320 MPa. m In a further preferred embodiment, the aluminum alloy of the extruded aluminum profile has a tensile strength R of at least 350 MPa. m has.

[0095] In one embodiment, the aluminum alloy of the extruded aluminum profile has a yield strength R of at least 100 MPa. p0.2 In a preferred embodiment, the aluminum alloy of the extruded aluminum profile has a yield strength R of at least 140 MPa. p0.2 In a further preferred embodiment, the aluminum alloy of the extruded aluminum profile has a yield strength R of at least 180 MPa. p0.2 In a further preferred embodiment, the aluminum alloy of the extruded aluminum profile has a yield strength R of at least 190 MPa. p0.2 has.

[0096] In one embodiment, the aluminum alloy of the extruded aluminum profile has an elongation A of at least 15%. In a preferred embodiment, the aluminum alloy of the extruded aluminum profile has an elongation A of at least 20%. In a further preferred embodiment, the aluminum alloy of the extruded aluminum profile has an elongation A of at least 25%. In a further preferred embodiment, the aluminum alloy of the extruded aluminum profile has an elongation A of at least 30%. In a further preferred embodiment, the aluminum alloy of the extruded aluminum profile has an elongation A of at least 35%. In a further preferred embodiment, the aluminum alloy of the extruded aluminum profile has an elongation A of at least 40%. In a further preferred embodiment, the aluminum alloy of the extruded aluminum profile has an elongation A of at least 45%.

[0097] In one embodiment, the aluminum alloy of the extruded aluminum profile has an elongation A and a tensile strength R calculated as m have a ratio X between:

number

[0098] In a preferred embodiment, the aluminium alloy of the extruded aluminium product has a ratio X of at least 0.05% / MPa. In a further preferred embodiment, the aluminium alloy of the extruded aluminium product has a ratio X of at least 0.07% / MPa. In a further preferred embodiment, the aluminium alloy of the extruded aluminium product has a ratio X of at least 0.09% / MPa. In a further preferred embodiment, the aluminium alloy of the extruded aluminium product has a ratio X of at least 0.11% / MPa. In a further preferred embodiment, the aluminium alloy of the extruded aluminium product has a ratio X of at least 0.13% / MPa. In a further preferred embodiment, the aluminium alloy of the extruded aluminium product has a ratio X of at least 0.15% / MPa. In a further preferred embodiment, the aluminium alloy of the extruded aluminium product has a ratio X of at least 0.17% / MPa.

[0099] The inventors of the present disclosure have surprisingly found that the aluminum alloys of the extruded aluminum products exhibit highly advantageous mechanical properties for use in crash applications, such as in the automotive industry. As shown in Example 4 of the present disclosure, the extruded aluminum profiles of the present disclosure have a yield strength R m and tensile strength R p0.2 From the viewpoint of strength, it exhibits high elongation A at the same time.

[0100] Yield strength R m and / or tensile strength R p0.2 It is understood that an increase in elongation A is associated with a decrease in elongation A, and vice versa. In other words, an increase in elongation A typically results in a decrease in strength.

[0101] Unexpectedly, the extruded aluminum profiles of the present disclosure simultaneously exhibit both high strength and high elongation.

[0102] Moreover, the mechanical properties of the extruded aluminum profiles according to the present disclosure are even better than those of castings of similar composition. This is particularly surprising because the methods of forming aluminum alloy castings, such as extrusion, other forging applications, and / or wire drawing, tend to result in high tensile strength R m and yield strength R p0.2 This is because it was not yet expected that the elongation A could be increased while maintaining the same.

[0103] In a further preferred embodiment of the second aspect of the disclosure, the aluminum product comprises a surface finish. According to a further preferred embodiment of the second aspect of the disclosure, the aluminum product comprises a surface finish, which is anodizing. According to a further preferred embodiment of the second aspect of the disclosure, the aluminum product comprises a surface finish, which is hard anodizing.

[0104] The shape of the aluminum alloy product according to the second aspect of the present disclosure is not particularly limited. According to a preferred embodiment, the cross section of the aluminum product according to the second aspect of the present disclosure is rectangular. According to a further preferred embodiment, the cross section of the aluminum product according to the second aspect of the present disclosure is square. According to a further preferred embodiment, the cross section of the aluminum product according to the second aspect of the present disclosure is circular. According to a further preferred embodiment, the cross section of the aluminum product according to the second aspect of the present disclosure is elliptical. Optionally, the cross section further comprises a block or hollow portion extending from the rectangular, square, circular or elliptical cross section.

[0105] The aluminium alloy product can be advantageously used in the manufacture of cars. In particular, the aluminium alloy product according to the second aspect of the present disclosure offers advantageous properties when used in the construction of the front of a car, for example as a longitudinal beam or in side impact protection in the doors.

[0106] Furthermore, the aluminium alloy product according to the second aspect of the present disclosure offers advantageous properties in aluminium lightweight construction.

[0107] According to another embodiment, the aluminium product according to the second aspect of the present disclosure is a drawn aluminium product.

[0108] In a preferred embodiment, the extruded aluminium product has a smallest part with a thickness in the range of 0.1-5 mm, preferably 0.4-3 mm, preferably 0.8-2 mm, preferably 1.1-1.5 mm, preferably 1.2-1.3 mm.

[0109] It is understood that parts having thicknesses in the ranges set forth above are the minimum diameters for drawn aluminum products.

[0110] In another embodiment, thickness refers to the thickness of the aluminum alloy portion of the drawn aluminum product.

[0111] In one embodiment, the aluminum alloy of the drawn aluminum product has a tensile strength R of at least 260 MPa. m In a preferred embodiment, the aluminum alloy of the drawn aluminum product has a tensile strength R of at least 280 MPa. m In a preferred embodiment, the aluminum alloy of the drawn aluminum product has a tensile strength R of at least 300 MPa. m In a further preferred embodiment, the aluminium alloy of the drawn aluminium product has a tensile strength R of at least 320 MPa. m In a further preferred embodiment, the aluminium alloy of the drawn aluminium product has a tensile strength R of at least 350 MPa. m has.

[0112] In one embodiment, the aluminum alloy of the drawn aluminum product has a yield strength R of at least 100 MPa. p0.2 In a preferred embodiment, the aluminum alloy of the drawn aluminum product has a yield strength R of at least 140 MPa. p0.2 In a further preferred embodiment, the aluminum alloy of the drawn aluminum product has a yield strength R of at least 180 MPa. p0.2In a further preferred embodiment, the aluminum alloy of the drawn aluminum product has a yield strength R of at least 190 MPa. p0.2 has.

[0113] In one embodiment, the aluminum alloy of the drawn aluminum product has an elongation A of at least 10%. In a preferred embodiment, the aluminum alloy of the drawn aluminum product has an elongation A of at least 13%. In a more preferred embodiment, the aluminum alloy of the drawn aluminum product has an elongation A of at least 15%. In a more preferred embodiment, the aluminum alloy of the drawn aluminum product has an elongation A of at least 17%. In a more preferred embodiment, the aluminum alloy of the drawn aluminum product has an elongation A of at least 19%. In a more preferred embodiment, the aluminum alloy of the drawn aluminum product has an elongation A of at least 20%. In a more preferred embodiment, the aluminum alloy of the drawn aluminum product has an elongation A of at least 22%.

[0114] The inventors of the present disclosure have surprisingly found that the aluminum alloy of the drawn aluminum product exhibits very advantageous mechanical properties. As shown in Example 5 of the present disclosure, the drawn aluminum product of the present disclosure has a yield strength R m From the viewpoint of strength, it exhibits high elongation A at the same time.

[0115] Yield strength R m and / or tensile strength R p0.2 It is understood that an increase in elongation A is associated with a decrease in elongation A, and vice versa. In other words, an increase in elongation A typically results in a decrease in strength.

[0116] Unexpectedly, the extruded aluminum products of the present disclosure simultaneously exhibit both high strength and high elongation.

[0117] Method for manufacturing aluminum alloys A third aspect of the present disclosure relates to a method for producing an aluminium alloy according to the first aspect disclosed above, comprising the steps of: a) providing raw aluminum; b) heating the raw aluminum to a temperature in the range of 650-850°C, preferably 750-800°C; c) adding Mg and B to obtain a raw alloy; d) optionally degassing the raw alloy; e) adding Ti and B to the optionally degassed raw alloy to prepare an aluminum alloy; and f) Casting the aluminum alloy to prepare an aluminum billet.

[0118] Raw aluminum is preferably provided having a low level of impurities, preferably having a level of impurities of 0.3% by weight or less relative to the total weight of the raw aluminum. The raw aluminum is then heated in a furnace to a temperature which melts the aluminum, but which is not heated high, in particular above 900°C, to avoid the formation of excessive oxidation products. It is therefore preferred to heat the raw aluminum to a temperature in the range of 650-850°C. In a further preferred embodiment, the raw aluminum is heated to a temperature in the range of 750-700°C. In a further preferred embodiment, the raw aluminum is heated to a temperature in the range of 750-770°C. Before the addition of the raw aluminum to the furnace, the furnace may be preheated, preferably to a temperature in the range of 400-900°C.

[0119] Once the raw aluminum is melted, Mg and Be are added. Since these metals are added in solid form, the temperature of the melt will drop. Therefore, it is preferable to reheat the aluminum melt to a previously defined temperature or temperature range or to maintain the previously defined temperature or temperature range during the addition of the metals. Further optional elements, such as Mn, Fe, Cu, Zn and / or Si, may be added during this process.

[0120] The resulting raw aluminum alloy may then be optionally degassed using conventional means, in a preferred embodiment, the degassing may be supported by argon or nitrogen gas as a purge gas.

[0121] After the addition of the elements listed above and the optional degassing step, Ti and optionally B are added in a final step. In this step, further elements of the aluminum alloy can also be added. In a preferred embodiment, manganese, iron, zinc, chromium, zirconium, vanadium, copper, silicon, nickel, and / or cobalt are added.

[0122] Furthermore, the raw aluminum alloy is refined.

[0123] The final aluminium alloy melt can then be cast, for example into a billet, for further or subsequent processing, for example in the method of the fourth embodiment, or it can be used directly in step g) of the fourth embodiment.

[0124] The aluminum alloy according to the first aspect of the present disclosure can be used in any known casting method, which is not limited by the aluminum of the present application. In particular, it can be used in any known casting method used for the standard AlMg10 aluminum alloy. The liquid aluminum alloy can be cast into a mold. After the mold has cooled, it can be removed to provide a billet comprising the aluminum alloy according to the first aspect of the present disclosure. The billet can then be optionally further processed in a conventional known manner.

[0125] In a preferred embodiment of the third aspect, the casting is selected from the group consisting of sand casting, plaster casting, shell casting, lost wax casting, lost foam casting (e.g., lost foam casting or full mold casting), permanent mold casting, die casting (preferably pressure die casting), semi-solid metal casting, centrifugal casting, and continuous casting.

[0126] According to a preferred embodiment of the third aspect, the aluminum billet may be a solid aluminum billet. According to another preferred embodiment of the third aspect, the aluminum billet may be a hollow aluminum billet.

[0127] In a further preferred embodiment of the third aspect, the liquid aluminum alloy and / or aluminum billet is characterized by low or no formation of dross (i.e. aluminum dross). Aluminum dross may result from exposure of the liquid aluminum alloy and / or molten aluminum casting to air. Extended exposure to air promotes enhanced dross formation. In a preferred embodiment of the third aspect, the liquid aluminum alloy and / or molten aluminum casting is characterized by low or no formation of dross over extended exposure to air (e.g., 8 hours). The formation of dross is visible to the naked eye and / or can be detected by any applicable technical method (e.g., spectral analysis).

[0128] Manufacture of aluminum alloy products In a fourth aspect, the present disclosure relates to a method for producing an aluminium alloy product according to the second aspect disclosed above, wherein the production of the aluminium alloy product comprises the steps of: g) preheating an aluminum billet of the aluminum alloy according to the first aspect disclosed above to a temperature in the range of 400°C to 450°C, preferably in the range of 420°C to 440°C, to obtain a preheated aluminum billet; h) inserting the preheated aluminum billet from step g) into an extrusion press; i) extruding the preheated aluminum billet to obtain an extruded aluminum profile.

[0129] An advantage of extrusion is in particular the ability to produce profiles even with complex shapes from materials, such as the high strength aluminium alloys described in the first aspect of the present disclosure, which are difficult to form.

[0130] In one embodiment of the fourth aspect of the present disclosure, the aluminum billet is an aluminum alloy according to the first aspect of the present disclosure described above.

[0131] In one embodiment of the fourth aspect of the present disclosure, the aluminum billet comprises or consists of an aluminum alloy according to the first aspect of the present disclosure.

[0132] In one embodiment of the fourth aspect of the present disclosure, an aluminium billet is provided in step f) of the method according to the third aspect of the present disclosure. In other words, the methods of the third and fourth aspects can be combined into one method of producing an aluminium alloy product according to the second aspect of the present disclosure.

[0133] In one embodiment of the fourth aspect of the present disclosure, the aluminum billet is heated to obtain a preheated aluminum billet. In a preferred embodiment of the fourth aspect, the aluminum billet is heated to a temperature in the range of 400°C to 450°C to obtain a preheated aluminum billet. In a further preferred embodiment of the fourth aspect, the aluminum billet is heated to a temperature in the range of 420°C to 440°C to obtain a preheated aluminum billet.

[0134] According to one embodiment, the preheated aluminum billet described above is inserted into an extrusion press. In a preferred embodiment, the temperature of the aluminum billet is in the range of 400°C to 450°C when it is inserted into the extrusion press. In a preferred embodiment, the temperature of the aluminum billet is in the range of 420°C to 440°C when it is inserted into the extrusion press.

[0135] The extrusion press is not particularly limited. The extrusion press may be any extrusion press suitable for cold extrusion or warm extrusion or friction extrusion, preferably warm extrusion. It is understood that the extrusion press must be capable of carrying out the extrusion process described below.

[0136] In one embodiment of the fourth aspect, the preheated aluminum billet is extruded in an extrusion press to obtain an extruded aluminum profile. The terms "extrusion," "extrusion process," and "extrusion" are used interchangeably herein.

[0137] According to a preferred embodiment of the fourth aspect, the extrusion is direct extrusion. According to a further preferred embodiment, the preheated aluminum billet is placed in a heavy-walled container in an extrusion press, and the billet is forced through a die by a ram or screw to obtain an extruded aluminum profile according to the second aspect of the present disclosure.

[0138] In such a direct extrusion process, a reusable block can be placed between the ram and the billet, which are then separated.

[0139] According to a preferred embodiment of the fourth aspect, the extrusion is an indirect extrusion. According to a further preferred embodiment, the preheated aluminum billet is placed in a heavy-walled container in an extrusion press, and the billet and container move together while the die is fixed. In other words, the die is held in place by a stem and the billet moves and is shaped by the die.

[0140] In a further preferred embodiment of the fourth aspect, the force applied by the ram during extrusion does not exceed a maximum force of 20,000 kN. In a further preferred embodiment, extruding the preheated aluminum billet to obtain an extruded aluminum profile is performed with a maximum force in the range of 5,000 to 15,000 kN. In a further preferred embodiment, extruding the preheated aluminum billet to obtain an extruded aluminum profile is performed with a maximum force in the range of 7,000 to 12,000 kN. In a further preferred embodiment, extruding the preheated aluminum billet to obtain an extruded aluminum profile is performed with a maximum force in the range of 8,000 to 10,000 kN. In a further preferred embodiment, extruding the preheated aluminum billet to obtain an extruded aluminum profile is performed with a maximum force of about 9,000 kN.

[0141] Neither the ram or screw of the extrusion press nor the die are particularly limited. The ram may be hydraulically driven. Suitable shapes for the die are known in the art.

[0142] According to one preferred embodiment of the fourth aspect of the present disclosure, the die is a spider die, a porthole die or a bridge die. Said design of the die is suitable for forming an internal cavity, i.e., an aluminum hollow profile, upon extrusion when a solid aluminum billet is used in the extrusion process. All of these types of dies incorporate a mandrel within the die and have "legs" that hold the mandrel in place. During extrusion, the metal splits, flows around the legs, and then reunites.

[0143] According to a further preferred embodiment, the ram and / or the reusable block may have a mandrel. Said design of the ram is suitable for forming an internal cavity upon extrusion, i.e. an aluminum hollow profile, when a hollow or solid aluminum billet is used in the extrusion process. If a solid aluminum billet is used, it must be penetrated by a mandrel before extrusion.

[0144] According to a further preferred embodiment of the fourth aspect, the extruded aluminium profile is not subjected to a heat treatment after step i).

[0145] According to a further preferred embodiment of the fourth aspect, the extruded aluminium profile is heat treated after step i) by heating the extruded aluminium profile at a temperature of at least 380°C, or at least 400°C, or at least 430°C, or at least 450°C.

[0146] According to a further preferred embodiment of the fourth aspect, the extruded aluminium profile is heat treated after step i) for a period of less than 1 hour, or less than 3 hours, or less than 5 hours, or less than 8 hours, or less than 12 hours, or less than 18 hours, or less than 24 hours, preferably less than 12 hours, or preferably less than 18 hours, or for a period of at least 10 minutes, or at least 1 hour, or at least 3 hours, or at least 8 hours, or at least 12 hours, or at least 24 hours, and then cooled in air at ambient temperature.

[0147] The heat treatment step may be applied optionally.

[0148] It is understood that heat treatment may be applied to an aluminium alloy product to refine the grain structure. In particular, heat treatment may be applied when the aluminium product comprises or consists of an aluminium alloy containing 9% by mass or more of Mg. Heat treatment may not be applied when the aluminium product comprises or consists of an aluminium alloy containing less than 9% by mass of Mg.

[0149] According to a preferred embodiment of the fourth aspect, an extruded aluminum profile comprising or consisting of an aluminum alloy containing 9% by weight or more of Mg is heat treated as described above. According to a further preferred embodiment of the fourth aspect, an extruded aluminum profile comprising or consisting of an aluminum alloy containing 10% by weight or more of Mg is heat treated as described above. According to a preferred embodiment of the fourth aspect, an extruded aluminum profile comprising or consisting of an aluminum alloy containing 11% by weight or more of Mg is heat treated as described above. According to a further preferred embodiment of the fourth aspect, an extruded aluminum profile comprising or consisting of an aluminum alloy containing 9-14% by weight of Mg is heat treated as described above. According to a further preferred embodiment of the fourth aspect, an extruded aluminum profile comprising or consisting of an aluminum alloy containing 10-14% by weight of Mg is heat treated as described above. According to a further preferred embodiment of the fourth aspect, an extruded aluminum profile comprising or consisting of an aluminum alloy containing 11-14% by weight of Mg is heat treated as described above.

[0150] According to further preferred embodiments of the fourth aspect, the extruded aluminium profile comprising or consisting of an aluminium alloy containing less than 9% by weight of Mg is not heat treated. According to further preferred embodiments of the fourth aspect, the extruded aluminium profile comprising or consisting of an aluminium alloy containing 6-9% by weight of Mg is not heat treated. According to further preferred embodiments of the fourth aspect, the extruded aluminium profile comprising or consisting of an aluminium alloy containing 6-8% by weight of Mg is not heat treated.

[0151] According to a further preferred embodiment of the fourth aspect of the present disclosure, the extruded aluminum profile is optionally subjected to a treatment for a surface finish. According to a further preferred embodiment of the fourth aspect of the present disclosure, the extruded aluminum profile is optionally subjected to a treatment for a surface finish, the surface finish being anodizing, with or without color. According to a further preferred embodiment of the fourth aspect of the present disclosure, the extruded aluminum profile is optionally subjected to a treatment for a surface finish, the surface finish being hard anodizing.

[0152] According to another embodiment of the fourth aspect, the present disclosure relates to a method for producing an extruded aluminium product according to the second aspect disclosed above by wire drawing.

[0153] Wire drawing is a metalworking process used to reduce the cross section of an aluminum wire by drawing it through a drawing die or a series of drawing dies. The wire is prepared by shrinking one end of the aluminum wire, for example by hammering, filing, rolling, or swaging, so that said end passes through the drawing die. The aluminum wire is then drawn through the drawing die. Thus, the diameter of the aluminum wire decreases while the length of the aluminum wire increases.

[0154] According to a preferred embodiment of the fourth aspect, the wire drawing comprises the steps of: g) providing a circular aluminum blank obtained from step f) of the method of the third aspect of the present disclosure; h) shrinking one end of the aluminum wire to a diameter smaller than the diameter of the drawing die; i) feeding the ends of the aluminum wire obtained from step h) into a drawing die; j) drawing the aluminum wire through a drawing die to obtain a drawn aluminum product; k) Optionally, repeating steps h) through j) until the desired diameter of the extruded aluminum product is reached.

[0155] According to another preferred embodiment, the drawing die has a circular shape. According to another preferred embodiment, the diameter of the drawing die is in the range of about 85% to about 98% of the maximum diameter of the circular aluminum wire of step g). According to another preferred embodiment, the diameter of the drawing die is in the range of about 87% to about 97% of the maximum diameter of the circular aluminum wire of step g). According to another preferred embodiment, the diameter of the drawing die is in the range of about 90% to about 97% of the maximum diameter of the circular aluminum wire of step g). According to another preferred embodiment, the diameter of the drawing die is in the range of about 92% to about 96% of the maximum diameter of the circular aluminum wire of step g). The maximum diameter of the circular aluminum wire is determined perpendicular to the drawing direction and is the diameter of the aluminum wire at the location of the maximum width of the aluminum billet. The maximum diameter of the aluminum wire is measured with a caliper or other common means.

[0156] In other words, it is preferred to reduce the diameter of the raw aluminum wire stepwise. Thus, the raw aluminum wire is subjected to a first drawing stage in which the diameter of the raw aluminum wire is drawn through a drawing die as disclosed above. The drawn aluminum product obtained from the first drawing stage is then subjected to a second drawing stage in which the diameter of the drawn aluminum product obtained from the first drawing stage is drawn through a drawing die as disclosed above. The drawn aluminum product obtained from the second drawing stage is then subjected to a third or further drawing stage in which the diameter of the drawn aluminum product obtained from the second drawing stage is drawn through a drawing die as disclosed above. The process can be repeated until the drawn aluminum product has the desired diameter.

[0157] According to a preferred embodiment, all steps h) to j) of the wire drawing according to the fourth aspect of the present disclosure are carried out at a temperature in the range of 20° C. to 35° C., preferably at room temperature (23° C.).

[0158] According to a preferred embodiment, the pultrusion die has a die angle in the range of 6° to 15°. According to another preferred embodiment, the pultrusion die has a die angle in the range of 8° to 14°. According to another preferred embodiment, the pultrusion die has a die angle in the range of 10° to 13°. According to another preferred embodiment, the pultrusion die has a die angle in the range of 11° to 13°.

[0159] According to a preferred embodiment, the drawn aluminium product obtained in step h) is not subjected to an intermediate annealing between two drawing steps.

[0160] According to another preferred embodiment, the drawn aluminium product obtained in step h) is subjected to an intermediate annealing at a temperature ranging from 300° C. to 450° C. between two drawing steps.

[0161] In other words, if the process steps h) to j) are repeated one or more times, the drawn aluminium product obtained in step j) may optionally be subjected to an intermediate annealing at a temperature in the range of 300°C to 450°C before each subsequent drawing step.

[0162] According to a preferred embodiment, an aluminium wire is provided by casting an aluminium billet according to the method of the third aspect of the present disclosure, turning the aluminium billet on a lathe to a diameter of <65mm, and then extruding to provide an aluminium wire.

[0163] According to another preferred embodiment, an aluminium wire is provided by casting an aluminium billet according to the method of the third aspect of the present disclosure, the aluminium alloy billet having a diameter of <65 mm, followed by extrusion to provide an aluminium wire.

[0164] According to another preferred embodiment, the aluminum wire is provided by continuous casting.

[0165] According to a preferred embodiment, the aluminum wire has a diameter in the range of 1 mm to 10 mm. According to another preferred embodiment, the aluminum wire has a diameter in the range of 2 mm to 8 mm. According to another preferred embodiment, the aluminum wire has a diameter in the range of 3 mm to 6 mm. According to a further preferred embodiment, the aluminum wire has a diameter in the range of 3 mm to 5 mm. According to a further preferred embodiment, the aluminum wire has a diameter of 4 mm.

[0166] According to a preferred embodiment, the drawn aluminum product has a diameter in the range of 0.2 mm to 5 mm. According to another preferred embodiment, the drawn aluminum product has a diameter in the range of 0.5 mm to 4 mm. According to another preferred embodiment, the drawn aluminum product has a diameter in the range of 1.0 mm to 3.0 mm. According to a further preferred embodiment, the drawn aluminum product has a diameter in the range of 1.5 mm to 2.5 mm. According to a further preferred embodiment, the drawn aluminum product has a diameter of 2 mm.

[0167] Aluminum alloy prepared by the method of the fourth aspect In a fifth aspect, the present disclosure relates to an extruded aluminium profile prepared by the method according to the fourth aspect disclosed above.

[0168] According to another embodiment, the present disclosure relates to a drawn aluminium product prepared by the method according to the fourth aspect disclosed above.

[0169] It is understood that the extruded aluminium profile according to the fifth aspect of the present disclosure has the same properties as the aluminium alloy product of the second aspect described above.

[0170] Use of aluminum alloys in extrusion and other forging applications. In a sixth aspect, the present disclosure relates to the use of an aluminium alloy according to the first aspect disclosed herein in an extrusion process, or a forging process, or a wire drawing process.

[0171] According to a preferred embodiment of the sixth aspect, the present disclosure relates to the use of an aluminium alloy according to the first aspect disclosed herein in an extrusion process.

[0172] According to a preferred embodiment of the sixth aspect, the extrusion is indirect extrusion. According to a further preferred embodiment of the sixth aspect, the extrusion is direct extrusion.

[0173] According to a preferred embodiment of the sixth aspect, the present disclosure relates to the use of an aluminium alloy according to the first aspect disclosed herein in a forging process.

[0174] According to a further preferred embodiment of the sixth aspect, the forging process is forging. According to a further preferred embodiment of the sixth aspect, the forging process is semi-solid forming. According to a further preferred embodiment of the sixth aspect, the forging process is forging. According to a further preferred embodiment of the sixth aspect, the forging process is semi-solid forming.

[0175] According to a preferred embodiment of the sixth aspect, the present disclosure relates to the use of an aluminium alloy according to the first aspect disclosed herein in a wiredrawing process.

[0176] definition The inventions illustratively described below may suitably be practiced in the absence of any element or elements, limitation or limitations not specifically disclosed herein.

[0177] The present invention will be described with respect to particular embodiments and with reference to certain drawings but the invention is not limited thereto but only by the claims. Terms specified below generally are to be understood in their ordinary meaning unless otherwise specified.

[0178] When the term "comprises" is used in the present specification and claims, it does not exclude other elements. For the purposes of the present invention, the term "consisting of" is considered to be a preferred embodiment of the term "comprises". When a group is defined to include at least a certain number of embodiments therein, this should also be understood to disclose a group that is preferably composed only of these embodiments. Furthermore, when a composition is defined using the term "comprises", it may additionally include other elements not specifically listed, but does not include additional amounts of the listed elements. As such, for example, if an aluminum alloy includes Mg in an amount of 12% by weight, the aluminum alloy may include elements other than Mg, but does not include additional amounts of Mg, thus exceeding the amount of 12% by weight.

[0179] The term "about" used in conjunction with a numerical value refers to the normal deviation of said numerical value. It should be understood that the term "about" can mean a deviation of ±10%, preferably ±5%, and more preferably ±2.5% of the numerical value indicated.

[0180] Where an indefinite or definite article is used when indicating a singular noun, e.g. "a", "an" and "the", this includes a plural of that noun, unless otherwise stated.

[0181] Terms such as "available" or "definable" and "obtained" or "defined" are used interchangeably. This means, for example, that unless the context clearly indicates otherwise, the term "obtained" is not meant to indicate that an embodiment must be obtained by, for example, the sequence of steps that follow the term "obtained", even though such a limited understanding is always included as a preferred embodiment by the term "obtained" or "defined".

[0182] As used herein, the terms "an impurity" and "impurities" refer to and include elements in an alloy that are necessarily present due to, for example, the manufacturing process of the alloy or the manufacturing process of the raw material(s). An impurity is not specifically mentioned in the list of elements in an alloy, however, the element may substitute from an impurity to a mandatory element in the alloy. For example, if an element is not mentioned in a more general definition of the alloy's composition, it may be present as an impurity, and the same element may be mentioned as a mandatory compound in a more specific definition of the alloy's composition.

[0183] The aluminum alloy according to the first aspect of the present disclosure is composed of different components. These components are either explicitly listed in the composition of the alloy or they are part of the impurities present in the alloy. In either case, when the components are specified as amounts in mass %, the numbers reflect the relative amounts (by mass) in percent based on the total mass of the alloy composition.

[0184] As used herein, the terms "tensile strength" and "ultimate tensile strength" are used interchangeably. Tensile strength is defined as "R m ". Methods for determining tensile strength are known to those skilled in the art. In this specification, tensile strength R mis the maximum stress that a material can withstand while being stretched or pulled before it breaks.

[0185] As used herein, the terms "yield strength" and "yield tensile strength" are used interchangeably. p0.2 ". Methods for determining yield strength are known to those skilled in the art. As used herein, tensile strength is the stress corresponding to the yield point at which the material begins to deform plastically. The yield point is the point on the stress-strain curve that marks the limit of elastic behavior and the onset of plastic behavior. Below the yield point, the material deforms elastically and returns to its original shape when the applied stress is removed. Once the yield point is passed, some of the deformation becomes permanent and irreversible and is called plastic deformation.

[0186] As used herein, the term "elongation", abbreviated as "A", is the elongation at break and refers to the permanent elongation of a tensile specimen after break relative to its initial gauge length. In other words, elongation A is the permanent change in length ΔL of a specimen in a tensile test after break occurs relative to its initial gauge length L0.

[0187] In this specification, the yield strength R m , tensile strength R p0.2 The terms , elongation A, and ratio X refer to the aluminum alloy of the aluminum product. In other words, the yield strength R m , R p0.2 The terms, elongation, and ratio X are measured on the aluminum portion of the aluminum product.

[0188] Yield strength R of aluminum alloys m , tensile strength R p0.2 , the elongation A is determined at 23°C according to DIN 50 125:2009.

[0189] As used herein, the term "extrusion" refers to a process used to create an object of constant cross-sectional profile by forcing a preheated billet of aluminum alloy according to the first aspect of the present disclosure through a die of the desired cross-section. Extrusion may be continuous. Continuous extrusion can theoretically produce an infinitely long aluminum alloy product. Extrusion may be semi-continuous. Semi-continuous extrusion can produce many pieces of the same size.

[0190] In this specification, the terms "aluminum profile" and "extruded aluminum profile" are used interchangeably. The term "extruded" means that the aluminum profile has been produced by extrusion as described above.

[0191] The term "hollow" is used herein to mean that at least a part of the aluminum hollow profile is not solid and has a hollow cross section. In other words, the aluminum hollow profile has a hole or space inside. The hollow part is filled with air.

[0192] The term "solid" is used herein to mean that at least a part of the aluminum profile is not hollow and has a solid cross section, in other words there is no empty space inside the solid aluminum profile.

[0193] As used herein, the term "cross section" refers to the shape exposed by cutting the aluminum product according to the second aspect of the present disclosure straight across and perpendicular to the extrusion direction. The cross section is determined by the die and / or mandrel used in the manufacturing, e.g., extrusion process.

[0194] The terms "forging application" and "forging process" are used interchangeably. As used herein, the term forging application refers to any process that involves forming a metal with a high degree of forming. In other words, a forging application is the beating of a metal piece into a shape with a tool. One example of a forging application is forging. Another example of a forging application is semi-solid forming.

[0195] Working Example Example 1: Production of aluminum alloy All aluminum alloys were prepared in a resistively heated crucible furnace (Nabertherm, model K40 / 12). For the preparation of 50 kg of raw aluminum melt, raw aluminum (having 0.15% by weight or less total impurities; obtained from Adial, Adriers, France) was placed in the furnace for a period of 1 hour to obtain molten raw aluminum.

[0196] Raw aluminum was heated to 720–750 °C and respective amounts of Mg (DEUMU Deutsche Erz- und Metall-Union GmbH, Germany, pure magnesium, at least 99.8%) and Be (added as AlBe pellets containing 5% by mass Be and the rest Al, Hoesch Metals, Niederzier, Germany) were added. After reheating to 720–750 °C, the melt was degassed for 10 min using an injection lance with argon gas as the purge gas.

[0197] Then, at a temperature ranging from 650 to 750°C, Ti and B are added as bars containing Ti and B in a ratio of 5:1 (added as pellets of AlTi5B1, containing 5% by weight Ti, 1% by weight B, the rest being Al, manufactured by Foseco-Vesuvius, Germany). The bars are stirred into the liquid alloy, and immediately after mixing, the furnace is tilted and the liquid alloy is poured into the respective molds to obtain aluminum alloy billets. [Table 1]

[0198] Example 2: Manufacturing of aluminum hollow profiles Aluminum alloy billets No. 1 and No. 2 of Example 1 were preheated to a temperature in the range of 400-450°C and placed into an extrusion press (SMS Group, Germany; maximum pressing force of 9000 kN) for direct extrusion.

[0199] The extrusion process results in an aluminum hollow profile with a 30 mm height (also called narrow side S), a 60 mm width (also called wide side B) and a wall thickness of 3 mm, as shown in FIG.

[0200] Example 3: Heat Treatment The aluminum hollow profile of Example 2 was investigated for mechanical properties with and without heat treatment.

[0201] The aluminum hollow profile was heated in a furnace to a temperature of 450° C. for 4 hours and then cooled to room temperature.

[0202] Example 4: Mechanical properties For the evaluation of the mechanical properties, dumbbell-shaped samples were cut from the narrow side S and the wide side B of the aluminum hollow profiles according to examples 2 and 3.

[0203] Both the heat-treated and non-heat-treated samples were subjected to tensile strength (R m ), yield strength (R p0.2 The specimens were subjected to tests to determine the strain (strain), elongation (A), and elongation (A). The measurement length was 30 mm for all specimens with a thickness of 3 mm. All test results are summarized in Table 2 below.

[0204] Samples were prepared and tested at room temperature (23°C) according to DIN 50125:2009. [Table 2]

[0205] From the above test results, the extruded aluminum hollow profile specimens of alloy No. 1 and No. 2 have excellent properties, especially the yield strength R m , tensile strength R p0.2 It can be seen that the specimens exhibit excellent mechanical properties in terms of yield strength, elongation A, and elongation B. In particular, the specimens have high yield strength and elongation simultaneously; with and without heat treatment.

[0206] Example 5: Production of extruded aluminum products An aluminum alloy billet having the composition shown in Table 3 was provided according to the method of Example 1. [Table 3]

[0207] The diameter of the aluminum alloy billet was reduced to >65 mm by turning on a lathe and extruded to obtain an aluminum wire having a diameter of 2.00 mm, one end of which was shrunk to a diameter smaller than the diameter of the drawing die.

[0208] The aluminum raw wire was placed in a drawing die having a diameter of 1.90 mm and a die angle of 12° and pulled through the die to obtain a drawn aluminum product having a diameter of 1.9 mm.

[0209] The above process steps were repeated with drawing dies having diameters of 1.80 mm, then 1.70 mm, then 1.60 mm, then 1.50 mm, 1.40 mm, then 1.30 mm, then 1.25 mm, then 1.20 mm, to obtain a drawn aluminum product having a diameter of 1.20 mm, each of the drawing dies having a doe angle of 12°.

[0210] No intermediate annealing was performed between the drawing steps. The drawn aluminium products were not subjected to heat treatment.

[0211] The samples were then tested at room temperature (23° C.). [Table 4]

[0212] As a comparative example, one end of an aluminum wire of Alloy No. 3 having a diameter of 2.00 mm was shrunk to a diameter of less than 1.70 mm. The aluminum wire was then placed in a drawing die having a diameter of 1.70 mm and a die angle of 12° and drawn through the die. After drawing 10 cm, the wire broke. The wire could not be prepared.

[0213] item The present disclosure also relates to the following numbered items: 1. An aluminum alloy comprising: a) 6-12% by mass of magnesium (Mg); b) 0.01 to 0.5 mass % titanium (Ti); c) 0.001 to 0.1 mass% boron (B); d) 0.002-0.2% by mass of beryllium (Be); e) 0 to 2.5% by mass of manganese (Mn); f) 0-0.2% by mass of iron (Fe); g) 0-5% by weight of zinc (Zn); h) 0-1% by weight chromium (Cr); i) 0 to 1 mass % zirconium (Zr); j) 0 to 0.5% by mass of vanadium (V); k) 0-0.06% by mass copper (Cu); l) 0-1% by mass of silicon (Si); m) 0 to 1% by weight of nickel (Ni); n) 0-0.5% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0214] 2. The aluminum alloy according to item 1, wherein the aluminum alloy is suitable for extrusion and / or other forging applications.

[0215] 3. An aluminum alloy according to any one of items 1 or 2, wherein the unavoidable impurities are present in an amount of less than 0.15%, preferably less than 0.1%, more preferably less than 0.05%, by weight, and each individual impurity is present in an amount of less than 0.05%, preferably less than 0.01%, more preferably less than 0.001%, by weight.

[0216] 4. An aluminium alloy according to any one of items 1 to 3, wherein Mg is present in an amount of 6.5 to 12% by weight, preferably in an amount of 7 to 12% by weight, preferably in an amount of 7.5 to 12% by weight, preferably in an amount of 8 to 12% by weight, preferably in an amount of 8 to 11.5% by weight.

[0217] 5. An aluminium alloy according to any one of items 1 to 3, wherein Mg is present in an amount of 6 to 10% by weight, preferably in an amount of 6.5 to 9.5% by weight, preferably in an amount of 7 to 9% by weight, preferably in an amount of 7.5 to 8.5% by weight, preferably in an amount of 8 to 8.5% by weight.

[0218] 6. An aluminium alloy according to any one of items 1 to 3, wherein Mg is present in an amount of 8 to 12% by weight, preferably in an amount of 9 to 12% by weight, preferably in an amount of 9.5 to 12% by weight, preferably in an amount of 10 to 12% by weight, preferably in an amount of 11 to 12% by weight, preferably in an amount of 11 to 11.5% by weight.

[0219] 7.Ti i) in an amount of 0.01 to 0.4% by mass, preferably in an amount of 0.01 to 0.3% by mass, preferably in an amount of 0.01 to 0.2% by mass, preferably in an amount of 0.015 to 0.15% by mass, preferably in an amount of 0.015 to 0.1% by mass; preferably in an amount of 0.015 to 0.08% by mass; and / or ii) in an amount of 0.4% by weight or less, preferably in an amount of 0.3% by weight or less, preferably in an amount of 0.2% by weight or less, preferably in an amount of 0.15% by weight or less, preferably in an amount of 0.1% by weight or less; preferably in an amount of 0.08% by weight or less; and / or iii) an amount of 0.01% by weight or more, preferably an amount of 0.015% by weight or more 7. The aluminum alloy according to claim 1, wherein the aluminum alloy is present in the range of 0.1 to 0.5.

[0220] 8. Mn i) in an amount of 1.5% by weight or less, preferably in an amount of 1% by weight or less, preferably in an amount of 0.5% by weight or less, preferably in an amount of 0.1% by weight or less, preferably in an amount of 0.05% by weight or less, preferably in an amount of 0.01% by weight or less, preferably in an amount of 0.005% by weight or less; and / or ii) an amount of 0.0001% by weight or more, preferably an amount of 0.0005% by weight or more 8. The aluminum alloy according to any one of items 1 to 7,

[0221] 9.Fe i) in an amount of 0.15% by weight or less, preferably in an amount of 0.1% by weight or less, preferably in an amount of 0.09% by weight or less, preferably in an amount of 0.08% by weight or less; and / or ii) in an amount of 0.01% by weight or more, preferably in an amount of 0.05% by weight or more 9. The aluminum alloy according to any one of items 1 to 8, wherein

[0222] 10.Be i) in an amount of 0.002 to 0.15% by weight, preferably in an amount of 0.003 to 0.1% by weight, preferably in an amount of 0.004 to 0.05% by weight, preferably in an amount of 0.005 to 0.02% by weight; and / or ii) in an amount of 0.002% by weight or more, or in an amount of 0.003% by weight or more, or in an amount of 0.004% by weight or more, or in an amount of 0.005% by weight or more, or in an amount of 0.015% by weight or more; and / or iii) in an amount of 0.15% by weight or less, or in an amount of 0.1% by weight or less, or in an amount of 0.05% by weight or less, or in an amount of 0.02% by weight or less 10. The aluminum alloy according to claim 1, wherein

[0223] 11.B is i) in an amount of 0.002 to 0.08% by mass, preferably in an amount of 0.002 to 0.06% by mass, preferably in an amount of 0.002 to 0.04% by mass, preferably in an amount of 0.003 to 0.02% by mass, preferably in an amount of 0.003 to 0.016% by mass; and / or ii) in an amount of 0.002% by weight or more, or in an amount of 0.0025% by weight or more, or in an amount of 0.003% by weight or more; and / or iii) in an amount of 0.08% by weight or less, or in an amount of 0.06% by weight or less, or in an amount of 0.04% by weight or less, or in an amount of 0.02% by weight or less, or in an amount of 0.016% by weight or less 11. The aluminum alloy according to any one of items 1 to 10,

[0224] 12.Si i) in an amount of less than or equal to 0.6% by weight, preferably in an amount of less than or equal to 0.4% by weight, preferably in an amount of less than or equal to 0.3% by weight, preferably in an amount of less than or equal to 0.15% by weight, preferably in an amount of less than or equal to 0.1% by weight; and / or ii) an amount of 0.001% by weight or more, preferably an amount of 0.005% by weight or more 12. The aluminum alloy according to any one of items 1 to 11,

[0225] 13. Cu is i) in an amount of 0.05% by weight or less, preferably in an amount of 0.03% by weight or less, preferably in an amount of 0.02% by weight or less, preferably in an amount of 0.01% by weight or less, preferably in an amount of 0.005% by weight or less; and / or ii) in an amount of 0.001% by weight or more, or in an amount of 0.004% by weight or more 13. The aluminum alloy according to any one of items 1 to 12,

[0226] 14. An aluminum alloy according to any one of items 1 to 13, wherein Zn is present in an amount of 2.5% by weight or less, preferably in an amount of 1% by weight or less, preferably in an amount of 0.5% by weight or less, preferably in an amount of 0.1% by weight or less, preferably in an amount of 0.05% by weight or less.

[0227] 15. An aluminum alloy according to any one of items 1 to 14, wherein Cr is present in an amount of 0.5% by weight or less, preferably in an amount of 0.2% by weight or less, preferably in an amount of 0.1% by weight or less, preferably in an amount of 0.05% by weight or less, preferably in an amount of 0.01% by weight or less.

[0228] 16. An aluminum alloy according to any one of items 1 to 15, wherein Zr is present in an amount of 0.5% by weight or less, preferably in an amount of 0.2% by weight or less, preferably in an amount of 0.1% by weight or less, preferably in an amount of 0.05% by weight or less, preferably in an amount of 0.01% by weight or less.

[0229] 17. An aluminum alloy according to any one of items 1 to 16, wherein V is present in an amount of 0.25% by weight or less, preferably in an amount of 0.15% by weight or less, preferably in an amount of 0.1% by weight or less, preferably in an amount of 0.05% by weight or less, preferably in an amount of 0.01% by weight or less.

[0230] 18. An aluminum alloy according to any one of items 1 to 17, wherein Ni is present in an amount of 0.5% by weight or less, preferably in an amount of 0.2% by weight or less, preferably in an amount of 0.1% by weight or less, preferably in an amount of 0.05% by weight or less, preferably in an amount of 0.01% by weight or less.

[0231] 19. An aluminum alloy according to any one of items 1 to 18, wherein Co is present in an amount of 0.3% by weight or less, preferably in an amount of 0.2% by weight or less, preferably in an amount of 0.1% by weight or less, preferably in an amount of 0.05% by weight or less, preferably in an amount of 0.01% by weight or less.

[0232] 20. The aluminum alloy according to any one of items 1 to 19, wherein the aluminum alloy optionally further comprises at least one element, each of said elements being present in an amount of 0 to 0.5% by weight, preferably in an amount of 0 to 0.2% by weight, preferably in an amount of 0 to 0.1% by weight, preferably in an amount of 0 to 0.05% by weight, and the at least one element being selected from the group consisting of molybdenum (Mo), hafnium (Hf), calcium (Ca), gallium (Ga), scandium (Sc), niobium (Nb), and cerium (Ce).

[0233] 21. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 6-12% by mass of magnesium (Mg); b) 0.01-0.4% by mass of titanium (Ti); c) 0.002 to 0.08 mass% boron (B); d) 0.002 to 0.1 mass percent beryllium (Be); e) 0 to 0.5% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0-2.5% by weight of zinc (Zn); h) 0-0.5% by weight chromium (Cr); i) 0 to 0.5 mass % zirconium (Zr); j) 0 to 0.25% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.6% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0234] 22. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 6.5-12% by mass of magnesium (Mg); b) 0.015 to 0.15 mass percent titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.003 to 0.1 mass% beryllium (Be); e) 0 to 1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0-2.5% by weight of zinc (Zn); h) 0-0.2% by weight chromium (Cr); i) 0 to 0.2 mass % zirconium (Zr); j) 0 to 0.1% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.5% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0235] 23. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 6-10% by mass of magnesium (Mg); b) 0.01-0.2% by mass of titanium (Ti); c) 0.002 to 0.04% by mass of boron (B); d) 0.003 to 0.1 mass% beryllium (Be); e) 0 to 1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0-2.5% by weight of zinc (Zn); h) 0-0.2% by weight chromium (Cr); i) 0 to 0.2 mass % zirconium (Zr); j) 0 to 0.1% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.6% by mass of silicon (Si); m) 0 to 0.1% by mass of nickel (Ni); n) 0 to 0.1% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0236] 24. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 7-9% by mass of magnesium (Mg); b) 0.015 to 0.15 mass percent titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0 to 1% by weight of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.4% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0237] 25. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015 to 0.15 mass percent titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0 to 1% by weight of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.4% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0238] 26. An aluminum alloy according to any one of items 1 to 20, comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015 to 0.1 mass % titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.05% by mass of manganese (Mn); f) 0.01 to 0.1% by mass of iron (Fe); g) 0-0.5% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.3% by mass of silicon (Si); m) 0-0.2% by weight nickel (Ni); n) 0 to 0.1% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0239] 27. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015 to 0.1 mass % titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.05% by mass of manganese (Mn); f) 0.01 to 0.1% by mass of iron (Fe); g) 0 to 0.1% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.15% by mass of silicon (Si); m) 0 to 0.1% by mass of nickel (Ni); n) 0 to 0.05% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0240] 28. An aluminum alloy according to any one of items 1 to 20, comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.15% by mass of silicon (Si); m) 0 to 0.05% by mass of nickel (Ni); n) 0 to 0.05% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0241] 29. An aluminum alloy according to any one of items 1 to 20, comprising: a) 7.5-8.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0242] 30. An aluminum alloy according to any one of items 1 to 20, comprising: a) 8-8.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0243] 31. An aluminum alloy according to any one of items 1 to 20, comprising: a) 8-12% by mass of magnesium (Mg); b) 0.015 to 0.15 mass percent titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.1% by mass of manganese (Mn); f) 0-0.1% by mass of iron (Fe); g) 0 to 1% by weight of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.05% by mass copper (Cu); l) 0-0.4% by mass of silicon (Si); m) 0-0.5% by weight of nickel (Ni); n) 0-0.3% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0244] 32. An aluminum alloy according to any one of items 1 to 20, comprising: a) 8-12% by mass of magnesium (Mg); b) 0.015 to 0.1 mass % titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.004 to 0.05 mass percent beryllium (Be); e) 0 to 0.05% by mass of manganese (Mn); f) 0.01 to 0.1% by mass of iron (Fe); g) 0-0.5% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.3% by mass of silicon (Si); m) 0-0.2% by weight nickel (Ni); n) 0 to 0.1 mass% cobalt (Co) An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0245] 33. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 8-12% by mass of magnesium (Mg); b) 0.015 to 0.1 mass % titanium (Ti); c) 0.003 to 0.03 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.05% by mass of manganese (Mn); f) 0.01 to 0.1% by mass of iron (Fe); g) 0 to 0.1% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.15% by mass of silicon (Si); m) 0 to 0.1% by mass of nickel (Ni); n) 0 to 0.05% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0246] 34. An aluminum alloy according to any one of items 1 to 20, comprising: a) 9-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0-0.05% by weight chromium (Cr); i) 0 to 0.05% by mass of zirconium (Zr); j) 0 to 0.05% by mass of vanadium (V); k) 0-0.03% by mass copper (Cu); l) 0-0.15% by mass of silicon (Si); m) 0 to 0.05% by mass of nickel (Ni); n) 0 to 0.05% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0247] 35. An aluminum alloy according to any one of items 1 to 20, comprising: a) 9.5-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0248] 36. An aluminum alloy according to any one of items 1 to 20, comprising: a) 9.5-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0249] 37. An aluminum alloy according to any one of items 1 to 20, comprising: a) 10-12% by weight of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0250] 38. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 11-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0251] 39. An aluminum alloy according to any one of items 1 to 20, comprising: a) 11-11.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0252] 40. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 6.5-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0253] 41. An aluminum alloy according to any one of items 1 to 20, comprising: a) 7-12% by weight magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0254] 42. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 7.5-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0255] 43. An aluminum alloy according to any one of claims 1 to 20, comprising: a) 8-12% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0256] 44. An aluminum alloy according to any one of items 1 to 20, comprising: a) 8-11.5% by mass of magnesium (Mg); b) 0.015-0.08% by mass of titanium (Ti); c) 0.003 to 0.016 mass% boron (B); d) 0.005 to 0.02 mass percent beryllium (Be); e) 0 to 0.01% by mass of manganese (Mn); f) 0.05-0.09% by mass of iron (Fe); g) 0-0.05% by mass of zinc (Zn); h) 0 to 0.01% by mass of chromium (Cr); i) 0 to 0.01 mass % zirconium (Zr); j) 0 to 0.01% by mass of vanadium (V); k) 0 to 0.01% by mass copper (Cu); l) 0-0.1% by mass of silicon (Si); m) 0 to 0.01% by mass of nickel (Ni); n) 0 to 0.01% by mass of cobalt (Co); An aluminum alloy further comprising unavoidable impurities; the remainder being aluminum (Al); each based on the total weight of the alloy composition, all components of the alloy adding up to 100% by weight.

[0257] 45. An aluminum alloy product comprising the aluminum alloy according to any one of items 1 to 44, wherein the aluminum alloy product is an extruded aluminum profile.

[0258] 46. ​​A method for producing an aluminum alloy according to any one of items 1 to 44, comprising the steps of: a. providing raw aluminum; b. heating the raw aluminum to a temperature in the range of 650-850°C, preferably 750-800°C; c. Adding Mg and B to obtain a raw alloy; d. Optionally degassing the raw alloy; e. Adding Ti and B to the optionally degassed raw alloy to prepare an aluminum alloy; And f. Casting the aluminum alloy to prepare an aluminum billet.

[0259] 47. A method for producing an aluminum alloy product according to item 45, wherein the production of the aluminum alloy product comprises the following steps: g. preheating an aluminum billet made of the aluminum alloy according to any one of items 1 to 20 to a temperature in the range of 400°C to 450°C, preferably in the range of 420°C to 440°C, to obtain a preheated aluminum billet; h. inserting the preheated aluminum billet from step g) into an extrusion press; i. extruding the preheated aluminum billet to obtain an extruded aluminum profile.

[0260] 48. The method for producing an aluminium alloy product according to item 47, wherein extruding the preheated aluminium billet in step i) is carried out at a maximum force in the range of 5,000 to 15,000 kN, preferably 7,000 to 12,000 kN, more preferably 8,000 to 10,000 kN, and most preferably at a maximum force of about 9,000 kN.

[0261] 49. The method according to item 47 or 48, further comprising the steps of: j. heat treating the extruded aluminum profile by heating it at a temperature of at least 380°C, or at least 400°C, or at least 430°C, or at least 450°C, for a period of less than 1 hour, or less than 3 hours, or less than 5 hours, or less than 8 hours, or less than 12 hours, or less than 18 hours, or less than 24 hours, preferably less than 12 hours, or preferably less than 18 hours, or for a period of at least 10 minutes, or at least 1 hour, or at least 3 hours, or at least 8 hours, or at least 12 hours, or at least 24 hours, and then allowing it to cool in air at ambient temperature.

[0262] 50. An extruded aluminum profile prepared by the method according to any one of items 47 to 49.

[0263] 51. An extruded aluminum profile according to any one of items 45 or 50, wherein the extruded aluminum profile is an extruded aluminum hollow profile.

[0264] 52. An extruded aluminum profile according to any one of items 45 and 50 to 51, wherein at least a part of the extruded aluminum profile has a thickness in the range of 1 to 15 mm, preferably 1 to 10 mm, preferably 2 to 8 mm, preferably 2 to 6 mm; or 2 to 5 mm, preferably 2.5 to 4 mm.

[0265] 53. The aluminum alloy of the extruded aluminum profile has a tensile strength R of at least 260 MPa, preferably at least 280 MPa, preferably at least 300 MPa, preferably at least 320 MPa, preferably at least 350 MPa. m The extruded aluminum profile according to any one of items 45 and 50 to 52, having the following structure.

[0266] 54. The aluminum alloy of the extruded aluminum profile has a yield strength R of at least 100 MPa, preferably at least 140 MPa, preferably at least 180 MPa, preferably at least 190 MPa. p0.2 The extruded aluminum profile according to any one of items 45 and 50 to 53, having the following structure.

[0267] 55. An extruded aluminum profile according to any one of items 45 and 50 to 54, wherein the aluminum alloy of the extruded aluminum profile has an elongation A of at least 15%, preferably at least 20%, more preferably at least 25%, more preferably at least 30%, even more preferably at least 40%, and most preferably at least 45%.

[0268] 56. The aluminum alloy of the extruded aluminum profile has an elongation A and a tensile strength R of at least 0.05% / MPa, preferably at least 0.07% / MPa, preferably at least 0.09% / MPa, preferably at least 0.11% / MPa, preferably at least 0.13% / MPa, preferably at least 0.15% / MPa, preferably at least 0.17% / Mpa. m 56. The extruded aluminum profile according to any one of items 45 and 50 to 55, having a ratio X between.

[0269] 57. Use of an aluminum alloy according to any one of items 1 to 44 in an extrusion process, or a forging process, or a wire drawing process.

Claims

1. 1. An aluminum alloy comprising: a) 6 to 12% by weight of magnesium (Mg); b) 0.01 to 0.5% by weight of titanium (Ti); c) 0.001 to 0.1% by weight of boron (B); d) 0.002 to 0.2% by weight of beryllium (Be); e) 0 to 2.5% by weight of manganese (Mn); f) 0 to 0.2% by weight of iron (Fe); g) 0 to 5% by weight of zinc (Zn); h) 0 to 1% by weight of chromium (Cr); i) 0 to 1% by weight of zirconium (Zr); j) 0 to 0.5% by weight of vanadium (V); k) 0 to 0.06% by weight of copper (Cu); l) 0 to 1% by weight of silicon (Si); m) 0 to 1% by weight of nickel (Ni); n) 0 to 0.5% by weight of cobalt (Co); The aluminum alloy further contains inevitable impurities; The remainder is aluminum (Al); An aluminum alloy, wherein each amount is based on the total weight of the alloy composition, and all components of the alloy add up to 100% by weight.

2. 10. The aluminum alloy of claim 1, wherein the aluminum alloy is suitable for extrusion and / or forging applications.

3. 3. An aluminium alloy according to any one of claims 1 or 2, wherein Mg is present in an amount of 6.5 to 12% by weight, preferably in an amount of 7 to 12% by weight, preferably in an amount of 7.5 to 12% by weight, preferably in an amount of 8 to 12% by weight, preferably in an amount of 8 to 11.5% by weight.

4. Ti is i) in an amount of 0.01 to 0.4% by weight, preferably in an amount of 0.01 to 0.3% by weight, preferably in an amount of 0.01 to 0.2% by weight, preferably in an amount of 0.015 to 0.15% by weight, preferably in an amount of 0.015 to 0.1% by weight; preferably in an amount of 0.015 to 0.08% by weight; and / or ii) in an amount of less than or equal to 0.4% by weight, preferably in an amount of less than or equal to 0.3% by weight, preferably in an amount of less than or equal to 0.2% by weight, preferably in an amount of less than or equal to 0.15% by weight, preferably in an amount of less than or equal to 0.1% by weight; preferably in an amount of less than or equal to 0.08% by weight; and / or iii) an amount of 0.01% by weight or more, preferably 0.015% by weight or more An aluminium alloy according to any one of claims 1 to 3, wherein

5. Be is i) in an amount of 0.002 to 0.15% by weight, preferably in an amount of 0.003 to 0.1% by weight, preferably in an amount of 0.004 to 0.05% by weight, preferably in an amount of 0.005 to 0.02% by weight; and / or ii) in an amount of 0.002% by weight or more, or in an amount of 0.003% by weight or more, or in an amount of 0.004% by weight or more, or in an amount of 0.005% by weight or more, or in an amount of 0.015% by weight or more; and / or iii) in an amount of 0.15% by weight or less, or in an amount of 0.1% by weight or less, or in an amount of 0.05% by weight or less, or in an amount of 0.02% by weight or less An aluminium alloy according to any one of claims 1 to 4, wherein

6. B is i) in an amount of 0.002 to 0.08% by weight, preferably in an amount of 0.002 to 0.06% by weight, preferably in an amount of 0.002 to 0.04% by weight, preferably in an amount of 0.003 to 0.02% by weight, preferably in an amount of 0.003 to 0.016% by weight; and / or ii) in an amount of 0.002% by weight or more, or in an amount of 0.0025% by weight or more, or in an amount of 0.003% by weight or more; and / or iii) in an amount of 0.08% by weight or less, or in an amount of 0.06% by weight or less, or in an amount of 0.04% by weight or less, or in an amount of 0.02% by weight or less, or in an amount of 0.016% by weight or less An aluminium alloy according to any one of claims 1 to 5, wherein

7. 7. An aluminium alloy product comprising the aluminium alloy according to any one of claims 1 to 6, wherein the aluminium alloy product is an extruded aluminium profile.

8. A method for producing an aluminum alloy according to any one of claims 1 to 6, comprising the steps of: a) providing raw aluminum; b) heating the raw aluminum to a temperature in the range of 650 to 850°C, preferably 750 to 800°C; c) adding Mg and B to obtain a raw alloy; d) optionally degassing the raw alloy; e) adding Ti and B to the optionally degassed raw alloy to prepare the aluminum alloy; and f) casting the aluminum alloy to prepare an aluminum billet.

9. 8. A method for producing an aluminum alloy product according to claim 7, comprising the steps of: g) preheating an aluminum billet made of the aluminum alloy according to any one of claims 1 to 6 to a temperature in the range of 400°C to 450°C, preferably in the range of 420°C to 440°C, to obtain a preheated aluminum billet; h) inserting the preheated aluminum billet from step g) into an extrusion press; i) extruding the preheated aluminum billet to obtain an extruded aluminum profile.

10. 10. The method of claim 9, wherein extruding the pre-heated aluminium billet in step i) is carried out at a maximum force in the range of 5,000 to 15,000 kN, preferably 7,000 to 12,000 kN, more preferably 8,000 to 10,000 kN, and most preferably at a maximum force of about 9,000 kN.

11. The method according to claim 9 or 10, further comprising the steps of: j) heat treating said extruded aluminium profile by heating it at a temperature of at least 380°C, or at least 400°C, or at least 430°C, or at least 450°C, for a period of less than 1 hour, or less than 3 hours, or less than 5 hours, or less than 8 hours, or less than 12 hours, or less than 18 hours, or less than 24 hours, preferably less than 12 hours, or preferably less than 18 hours, or for a period of at least 10 minutes, or at least 1 hour, or at least 3 hours, or at least 8 hours, or at least 12 hours, or at least 24 hours, and then allowing it to cool in air at ambient temperature.

12. An extruded aluminium profile prepared by the method according to any one of claims 9 to 11.

13. 13. The extruded aluminium profile according to any one of claims 7 or 12, wherein the extruded aluminium profile is an extruded aluminium hollow profile, preferably at least part of the extruded aluminium profile having a thickness in the range of 1 to 15 mm, preferably 1 to 10 mm, preferably 2 to 8 mm, preferably 2 to 6 mm; or 2 to 5 mm, preferably 2.5 to 4 mm.

14. The aluminum alloy of the extruded aluminum profile has a tensile strength R of at least 260 MPa, preferably at least 280 MPa, preferably at least 300 MPa, preferably at least 320 MPa, preferably at least 350 MPa. ｍ and / or The aluminum alloy of the extruded aluminum profile has a yield strength R of at least 100 MPa, preferably at least 140 MPa, preferably at least 180 MPa, preferably at least 190 MPa. ｐ０．２ and / or The aluminium alloy of the extruded aluminium profile has an elongation A of at least 15%, preferably at least 20%, even more preferably at least 25%, even more preferably at least 30%, even more preferably at least 40% and most preferably at least 45%; and / or The aluminium alloy of the extruded aluminium profile has said elongation A and said tensile strength R of at least 0.05% / MPa, preferably at least 0.07% / MPa, preferably at least 0.09% / MPa, preferably at least 0.11% / MPa, preferably at least 0.13% / MPa, preferably at least 0.15% / MPa, preferably at least 0.17% / MPa. ｍ 14. Extruded aluminium profile according to claim 7, and any one of claims 12 or 13, having a ratio X between:

15. Use of an aluminium alloy according to any one of claims 1 to 6 in an extrusion or forging process.

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