Service Conditions Analysis and Structural Redesign of Magnesium Alloy Wheels for Automobile

Zeng Cong1; Long Siyuan1; Tao Jun1; Liu Bo2

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Service Conditions Analysis and Structural Redesign of Magnesium Alloy Wheels for Automobile
Vol. 31, Issue 12, Pages: 1160-1162(2011)
Published： 2011 ，
DOI：

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[1]曾聪,龙思远,陶军,刘波.镁合金汽车轮毂服役状态分析与结构再设计[J].特种铸造及有色合金,2011,31(12):1160-1162.

Zeng Cong1, Long Siyuan1, Tao Jun1, et al. Service Conditions Analysis and Structural Redesign of Magnesium Alloy Wheels for Automobile. [J]. Special Casting & Nonferrous Alloys 31(12):1160-1162(2011)
[1]曾聪,龙思远,陶军,刘波.镁合金汽车轮毂服役状态分析与结构再设计[J].特种铸造及有色合金,2011,31(12):1160-1162. DOI：

Zeng Cong1, Long Siyuan1, Tao Jun1, et al. Service Conditions Analysis and Structural Redesign of Magnesium Alloy Wheels for Automobile. [J]. Special Casting & Nonferrous Alloys 31(12):1160-1162(2011) DOI：

摘要

以长安汽车1.6MT轮毂为例

对轮毂产品的服役工况和失效形式进行了分析

并对原结构镁合金轮毂进行了有限元分析和结构优化再设计。结果表明

镁合金轮毂服役应力峰值从36.4MPa降低到28.4MPa

低于极限疲劳强度

疲劳强度设计安全系数提高了28%。与铝合金轮毂相比

质量减轻了2.3kg

降低了32%。

Abstract

Service conditions and failure mode of Chang’an Automobile 1.6MT wheels were analyzed

and analysis of original structure of wheel and its structure redesign of magnesium alloy wheels were conducted.The results show that the peak service stress of magnesium alloy wheels is decreased from 36.4 MPa to 28.4MPa

less than the limit of fatigue strength.Safety coefficient of fatigue strength design is increased by 28%.In addition

compared with that of aluminum alloy wheels

weight of the optimized magnesium alloy wheel is reduced by 2.kg

decreased by 32%.