Deformation Behavior and Constitutive Equation Coupled the Grain Size of Semi-Solid Aluminum Alloy

被引：0
|
作者：
Yalin Lu
Miaoquan Li
Xingcheng Li
机构：
[1] Northwestern Polytechnical University,School of Materials Science and Engineering
[2] Jiangsu Teachers University of Technology,School of Mechanical Engineering
来源：
Journal of Materials Engineering and Performance | 2010年 / 19卷
关键词：
constitutive equation; deformation behavior; microstructural evolution; semi-solid state;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Isothermal compression tests on Al-4Cu-Mg alloy were carried out in semi-solid state. Deformation behavior and microstructural evolution are discussed in this paper. Meanwhile, a new constitutive equation, which couples the grain size and liquid volume fraction, has been established for the semi-solid deformation behavior. The results show that the maximum difference between the calculated with the experimental data is less than 15%. The present equation is satisfactory for describing the correlation between the flow stress and microstructure of semi-solid Al-4Cu-Mg alloy. The coupled simulation of the deformation behavior and microstructural evolution during the semi-solid forming would be conducted easily through writing the present equation in a FE code.
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页码：1337 / 1343
页数：6
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