Microstructure and mechanical properties of extruded Mg-Al-Ca based alloys

被引：4
|
作者：
Chen, RS
Blandin, JJ
Suery, M
Han, EH
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
[2] ENSPG, CNRS, UMR 5010, Inst Natl Polytech Grenoble, F-38402 St Martin Dheres, France
来源：
MAGNESIUM - SCIENCE, TECHNOLOGY AND APPLICATIONS | 2005年 / 488-489卷
关键词：
Mg-Al-Ca alloys; microstructure; mechanical properties;
D O I：
10.4028/www.scientific.net/MSF.488-489.275
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mechanical properties and microstructure of extruded AZ91(-Ca) alloys have been studied in this paper. The results showed that Ca has no significant effect on reducing grain size of the extruded AZ91 alloy. The ambient temperature tensile tests showed that the ultimate and yield strength of extruded AZ91 alloy decreased by addition of Ca. At elevated temperature, Ca addition improves the yield strength of both AZ91 alloy. The variations in microstructure and mechanical properties of the AZ91 alloy are also discussed in terms of the effects of Ca on grain refinement and formation of constituent phases.
引用
收藏
页码：275 / 278
页数：4
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