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Automobile light chassis aluminum alloy structural member and preparing method thereof

A lightweight, aluminum alloy technology, applied in image data processing, instruments, image enhancement, etc., can solve problems such as fracture, part cracks, and low mechanical properties

Inactive Publication Date: 2018-02-23
HUANGHE JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] To sum up, the problems existing in the existing technology are: the existing aluminum alloy structural parts of the lightweight chassis of automobiles have low strength, low mechanical properties, poor corrosion resistance and high temperature resistance, and cracks appear in the parts under the high-frequency vibration of the automobile or direct break

Method used

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  • Automobile light chassis aluminum alloy structural member and preparing method thereof
  • Automobile light chassis aluminum alloy structural member and preparing method thereof
  • Automobile light chassis aluminum alloy structural member and preparing method thereof

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Embodiment Construction

[0070] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0071] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0072] The invention provides a light-weight chassis aluminum alloy structural part of an automobile, which consists of the following components by weight percentage:

[0073] Titanium 0.10-0.25%, lead 0.20-0.4%, manganese 0.3-0.7%, silicon 8.0-10.0%, iron 0.5-1.3%, copper 2.0-3.0%, magnesium 0.2-0.60%, zinc 0.5-1.0%, chromium 0.1 -0.20%, nickel 0.1-0.50%, tin 0.1-0.30%, and the balance is aluminum.

[0074] Such as figure 1 As shown, a method for preparing an...

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Abstract

The invention belongs to the field of metal manufacturing, and discloses an automobile light chassis aluminum alloy structural member and a preparing method thereof. The automobile light chassis aluminum alloy structural member is prepared from titanium, lead, manganese, silicon, iron, copper, magnesium, zinc, chrome, nickel, tin and the balance aluminum. The automobile light chassis aluminum alloy structural member has few bubbles inside, is good in mechanical performance, high in strength and high in corrosion resistance and high temperature resistance, is good in stability when used as an automobile part and is worthy of popularization; the product defects that original thin-wall support products have stress concentration and are prone to cracking are overcome, toughness and ductility are high, and the ductility is far superior to that of an existing product; aluminum alloy components are strictly controlled, the content proportions of Mn and Mg are independently set, and thus mechanical performance is improved; and accordingly, the automobile light chassis aluminum alloy structural member has good market prospects.

Description

technical field [0001] The invention belongs to the field of metal manufacturing, and in particular relates to an aluminum alloy structural part of an automobile lightweight chassis and a preparation method thereof. Background technique [0002] In the auto parts production industry, traditional aluminum alloy structural parts have defects such as low strength, low mechanical properties, corrosion resistance, and poor high temperature resistance. In automobile manufacturing, due to the need for support to connect the chassis to other adjacent components, such parts It has high requirements on comprehensive mechanical properties. Under the high-frequency vibration of automobiles, the stress and mechanical properties of chassis products must reach a very high level to avoid cracks or direct fracture of parts. [0003] Pure aluminum has low density, high corrosion resistance, low melting point of about 660°C, high plasticity and easy processing. However, the strength of pure ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/04C22C1/02B22D17/00G06T7/00G06T7/10
CPCB22D17/00C22C1/026C22C21/04G06T7/0004G06T7/10G06T2207/10016G06T2207/30164
Inventor 张鹏马海英杨淑贞其他发明人请求不公开姓名
Owner HUANGHE JIAOTONG UNIV
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