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Aluminum alloy used for automobile parts

A technology for auto parts and aluminum alloys, applied in the field of automotive materials, can solve the problems of expensive materials and increased cost, and achieve the effects of improving mechanical properties, yield strength and tensile strength, and excellent endurance and elongation.

Inactive Publication Date: 2017-07-07
淮北津奥铝业有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, if extruded materials or plates are used, the material cost is relatively expensive, and in many cases, secondary processing or joining treatment is required, which tends to increase the cost

Method used

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Embodiment Construction

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0016] An aluminum alloy for automobile parts, wherein the main raw material of the aluminum alloy is Al, and auxiliary elements such as Si, Mg, Ni, Ti, Cu and Zn are added to the raw material.

[0017] Said Si1-2%, Mg2-4%, Ni0.2-0.8%, Ti0.5-.8%, Cu0.3-0.6%, Zn0.5-1%.

[0018] The raw materials are also added with Mo in a proportion ranging from 0.02% to 0.80%.

[0019] The raw materials are also added with Sr and ER, Sr0.4-0.8%,...

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Abstract

The invention provides aluminum alloy used for automobile parts. The main raw material of the aluminum alloy is Al, and the auxiliary elements of Si, Mg, Ni, Ti, Cu and Zn are added into the raw material. According to the aluminum alloy used for the automobile parts, the defects in the prior art are overcome; two kinds of elements of Mo are added into the original material, so that the mechanical property of an aluminum profile is greatly improved, the yield strength and the tensile strength of the aluminum profile are significantly improved, and the material has the aluminum alloy good in tensile strength and endurance and excellent in extensibility; and meanwhile, the improvement effect of a RE element and a Sr element to the corrosion resistance of the alloy is more obvious compared with the effect when the RE element and the Sr element are added separately, and compound adding of the two kinds of elements has an obvious synergistic effect on the influence of the corrosion resistance of the alloy.

Description

technical field [0001] The invention relates to the technical field of automobile materials, in particular to an aluminum alloy for automobile parts. Background technique [0002] So far, when aluminum alloys are used in automobiles, they are used for cylinder heads of engines, cylinder blocks, or transmission housings, among others. Various aluminum alloys have been proposed as such aluminum alloys to make positive use of the advantages of good workability and light weight of aluminum, and to improve mechanical properties such as hardness and strength or improve chemical properties such as heat resistance. [0003] On the other hand, in order to realize the improvement of the fuel efficiency of automobiles, more active research is currently being carried out than ever before. Specifically, technologies are being developed to use lightweight aluminum alloys for panel parts such as roof panels, door panels, and hoods. Furthermore, it is well known that extruded aluminum all...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08
CPCC22C21/003C22C21/08
Inventor 曹向东李玉峰
Owner 淮北津奥铝业有限公司
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