Improved aluminum alloys containing magnesium, silicon, manganese, iron, and copper, and methods for producing the same
A technology of aluminum alloy and aluminum alloy sheet, which is applied in the field of improved aluminum alloy containing magnesium, silicon, manganese, iron and copper and its preparation, and can solve problems such as improving aluminum alloy and increasing alloy strength
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example 1
[0510] Example 1 - Testing of 6xxx Aluminum Alloys with Copper and Zinc
[0511] A 6xxx aluminum alloy with copper and zinc ("6xxx+Cu+Zn alloy") was direct chill cast into an ingot. This alloy is similar to the alloy disclosed in US Patent No. 6,537,392. The 6xxx+Cu+Zn alloys have the compositions specified in Table 3 below.
[0512] The composition of table 3-6xxx+Cu+Zn aluminum alloy (the unit of all values is weight %)
[0513] Si
Fe
mn
Cu
Mg
Zn
Cr
Ti
other each
other total
margin
0.86
0.12
0.01
0.73
0.89
0.69
0.22
0.02
≤0.05
≤0.15
Al
[0514] After casting, the ingots were homogenized and then hot rolled to an intermediate gauge of 2.0 inches. Divide the 2.0 inch body into five parts, bodies A-E.
[0515] Body A was processed into sheet in a conventional manner by hot rolling a 2.0 inch plate to a second intermediate gauge of 0.505 inch, followed by cold rolling...
example 2
[0550] Example 2 - Multilayer Product Tested as Can Stock
[0551] similar to the above Figure 12 method and prepared several multi-layer products including AA3104 as the cladding and AA6013 as the core in the H state. Multilayer products were prepared in the form of two layers (3014-6013) and three layers (3104-6013-3104). The mechanical properties of the multilayer product were tested in the H1x state and after curing of the coating. The results are provided in Table 10 below.
[0552] Table 10 - Mechanical properties of multi-layer products
[0553]
[0554] All multi-layered products achieved an improved combination of strength and ductility compared to the standard 3104 alloy product, achieving approximately 17 ksi to 30 ksi increase in TYS (after curing) with similar or better ductility. The 3104 cladding can be used to limit aluminum and oxide pick-up on shrink dies during can manufacturing. The 6013 core can be heat treated during the curing of the coating...
example 3
[0555] Example 3 - Testing of Alloy 6013
[0556] Aluminum Association alloy 6013 was prepared in a manner similar to Example 1, and its mechanical properties were measured. Alloy 6013 is a zinc-free copper-containing 6xxx alloy. The compositions of the tested 6013 alloys are provided in Table 11 below. Mechanical properties are shown in Figures 27-35.
[0557] Table 11 - Composition of Alloy 6013 (all values are expressed in % by weight)
[0558] Si
Fe
mn
Cu
Mg
Cr
other each
other total
margin
0.70
0.25
0.32
0.89
0.94
0.03
≤0.05
≤0.15
Al
[0559] Alloy 6013 achieves a peak LT tensile yield strength of about 64-65 ksi at 75% cold work and 60-61 ksi at 55% cold work, which is several times higher than the peak strength of the control alloy (T6) 8-13ksi. The 75% and 55% cold worked alloys achieved these strengths faster than the control (T6) alloy.
[0560] The optical properties o...
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