Lightweight Design of Aluminum Control Arm and its Squeeze Casting Process

Shan Keri; Huang Changming; Liu Jianping

doi:10.15980/j.tzzz.2016.05.011

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Lightweight Design of Aluminum Control Arm and its Squeeze Casting Process
Vol. 36, Issue 5, Pages: 484-487(2016)
Published： 2016 ，
DOI： 10.15980/j.tzzz.2016.05.011

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[1]单柯日,黄长明,刘建平.铝合金控制臂的轻量化设计及挤压铸造工艺[J].特种铸造及有色合金,2016,36(05):484-487.

Shan Keri, Huang Changming, Liu Jianping. Lightweight Design of Aluminum Control Arm and its Squeeze Casting Process. [J]. Special Casting & Nonferrous Alloys 36(5):484-487(2016)
[1]单柯日,黄长明,刘建平.铝合金控制臂的轻量化设计及挤压铸造工艺[J].特种铸造及有色合金,2016,36(05):484-487. DOI： 10.15980/j.tzzz.2016.05.011.

Shan Keri, Huang Changming, Liu Jianping. Lightweight Design of Aluminum Control Arm and its Squeeze Casting Process. [J]. Special Casting & Nonferrous Alloys 36(5):484-487(2016) DOI： 10.15980/j.tzzz.2016.05.011.

摘要

采用挤压铸造工艺生产Al-7Si-Mg铝合金汽车控制臂

以期用挤压铸造代替锻造。结果表明

挤压铸造控制臂内部组织致密

晶粒细小

枝晶壁间距小于40μm;抗拉强度大于310 MPa

屈服强度大于240 MPa

伸长率达到12%

硬度（HB）为100左右;各项技术指标显著提高

生产成本降低

产品精度和生产效率提高。

Abstract

In order to improve product rate

control arm was produced with Al-7Si-Mg by squeezing casting substutited for forging forming.The results reveal that squeezing casting control arm has the feature of structure compactness with fine grain size

where SDAS is lower than 40μm

tensile strength and yield strength are more than 310 MPa and 240 MPa

and elongation reach up to 12%as well as hardness of approximate 100

respectively.The technical indexes are improved significantly with decreasing product cost as well as improving accuracy and efficiency.