Low temperature superplasticity of 40Cr steel

被引：0
|
作者：
Xu, XJ [1 ]
Shi, LJ [1 ]
机构：
[1] Jiangsu Univ, Zhenjiang 212013, Peoples R China
来源：
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2004年 / 11卷 / 04期
关键词：
superplasticity; 40Cr; steel; low temperature; microstructure;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The low temperature superplastic characteristics of commercial 40Cr steel, which was subjected to water quenching three times and subsequent high temperature tempering, were investigated. The results show that the 40Cr steel has a grain size of 5 - 10 mum, and exhibits an elongation of 254 %, a flow stress of 108.1 MPa, a strain rate sensitivity m-value of 0.221 at the temperature of 650 degreesC and the initial strain rate of 3.16 X 10(-4) s(-1).
引用
收藏
页码：56 / 58
页数：3
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