The strain hardening behavior of metastable austenite stainless steel

被引:0
|
作者
Zhang, WF [1 ]
Chen, YM
Zhu, JH
机构
[1] Inst Aeronaut Mat, Beijing 100095, Peoples R China
[2] Xian Jiaotong Univ, Xian 710049, Peoples R China
关键词
hardening rate; hardening exponent; metastable materials;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The hardening curve exhibits sigmoid shape in metastable austenite stainless steel at low temperature due to strain induced martensite transformation during deformation. The hardening exponent n values derived from Hollomon equation in each 1.5% of nominal strain are found not to be constant. Furthermore, both the n values and the hardening rate present parabola with increase of strain, while n values decrease correspondingly with increase of strain rate.
引用
收藏
页码:22 / 24
页数:3
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