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Aluminum alloy and manufacturing method thereof

A manufacturing method and aluminum alloy technology, applied in the field of aluminum products, can solve the problems of increased production cost, increased labor intensity, and low production efficiency, and achieve the effects of increased strength, favorable precipitation, and high tensile strength

Inactive Publication Date: 2015-12-30
ANHUI HUOSHAN LONGXIN METAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still deficiencies in traditional aluminum alloys. Its main components are aluminum, magnesium and silicon. Due to the limitation of the structure of the material, the properties of the processed material are poor, and defects such as fracture, wrinkles, and fatigue are prone to occur during processing. , low yield, poor thermal conductivity, resulting in waste of materials
At the same time, the production efficiency is low, which increases the labor intensity and increases the production cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] An aluminum alloy and a manufacturing method thereof of the present invention are made of the following raw materials in parts by weight:

[0022] The present invention relates to a kind of aluminum alloy, its composition comprises (wt%):

[0023] Mg: 0.5, Si: 0.4, Fe: 0.15, Mn: 0.3, Ti: 0.1, Sc: 0.06, As: 0.001, Li: 0.005, Cr: 0.005, V: 0.001, and the rest are aluminum and unavoidable impurities.

[0024] Scandium can not only significantly refine the grains of as-cast alloys, increase the recrystallization temperature to increase the strength and toughness of aluminum alloys, but also significantly improve the weldability, heat resistance, corrosion resistance, and thermal stability of aluminum alloys. Scandium (Sc) has a low density. It has the functions of transition metals and rare earth metals in aluminum and aluminum alloys, but the effect is far greater than the influence of these two types of metals on aluminum alloys. The strength of Sc-containing aluminum all...

Embodiment 2

[0035] A kind of aluminum alloy, its composition comprises (wt%):

[0036] Mg: 1.4, Si: 0.8, Fe: 0.4, Mn: 0.5, Ti: 0.15, Sc: 0.08, As: 0.005, Li: 0.009, Cr: 0.01, V: 0.007, and the rest are aluminum and unavoidable impurities.

Embodiment 3

[0038] A kind of aluminum alloy, its composition comprises (wt%):

[0039] Mg: 1.0, Si: 0.6, Fe: 0.25, Mn: 0.4, Ti: 0.13, Sc: 0.07, As: 0.003, Li: 0.007, Cr: 0.008, V: 0.004, and the rest are aluminum and unavoidable impurities.

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PUM

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Abstract

The invention discloses aluminum alloy. The aluminum alloy is prepared from, by weight, 0.5%-1.4% of Mg, 0.4%-0.8% of Si, 0.15%-0.4% of Fe, 0.3%-0.5% of Mn, 0.1%-0.15% of Ti, 0.06%-0.08% of Sc, 0.001%-0.005% of As, 0.005%-0.009% of Li, 0.005%-0.01% of Cr, 0.001%-0.007% of V and the balance aluminum and unavoidable impurities. The magnesium and silicon content in traditional aluminum alloy is lower than 1.6%, and by controlling the magnesium and silicon content of the aluminum alloy to be 1.8%-2.2%, the strength of the alloy can be improved, the crystalline phase of the aluminum alloy can be also refined, precipitation is facilitated, and the tensile strength is improved. In addition, scandium, vanadium, arsenic, titanium, cadmium and other elements are added into the aluminum alloy so that the tensile strength of the aluminum alloy can be improved, and the corrosion resistance property and abrasion resistance property of the alloy can be improved. The aluminum alloy has better heat conduction performance, can serve as a heat dissipation part of an automobile and has the advantages of high tensile strength, high hardness, good corrosion resistance property and abrasion resistance property and the like.

Description

technical field [0001] The invention relates to the technical field of aluminum products, in particular to an aluminum alloy and a manufacturing method thereof. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. With the rapid development of science and technology and industrial economy, the demand for aluminum alloys is increasing, and the research on aluminum alloys is also in-depth. [0003] The alloy formed by adding certain elements can have high strength while maintaining the advantages of pure aluminum such as light weight, and has become an ideal structural material. It is widely used in machinery manufacturing, transportation machinery, power machinery and aviation industry. The body, skin, compressor, etc. are often made of aluminum alloy to reduce the weight. The welding of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C21/08C22C1/03C22C1/06
Inventor 华兴龙吴佳
Owner ANHUI HUOSHAN LONGXIN METAL TECH CO LTD