Influence of grain size on the tensile ductility and deformation modes of rolled Mg-1.02 wt.% Zn alloy

被引：40
|
作者：
Shi, B. Q. [1 ,2 ]
Chen, R. S. [1 ]
Ke, W. [1 ]
机构：
[1] Inst Met Sci & Technol, State Key Lab Corros & Protect, Beijing, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
JOURNAL OF MAGNESIUM AND ALLOYS | 2013年 / 1卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Magnesium; Ductility; Texture; Strain hardening rate; Prismatic slip;
D O I：
10.1016/j.jma.2013.09.001
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The influence of grain size on the tensile deformation and ductility for Mg-1.02% Zn (wt.%) alloy was investigated. The uniform elongation is nearly insensitive to the increase of grain size, but the post-uniform elongation is significantly decreased with increasing grain size. The high ductility in the fine-grained samples is due to the lower frequency of twins and increased dynamic recovery from the enhanced activation of prismatic < a > slip. Copyright 2013, National Engineering Research Center for Magnesium Alloys of China, Chongqing University. Production and hosting by Elsevier B.V.
引用
收藏
页码：210 / 216
页数：7
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