Quench-induced martensitic transformation in austenitic stainless steel after tensile deformation at elevated temperature

被引:22
|
作者
Zhang, Lefu [1 ]
Takahashi, Seiki
Kamada, Yasuhiro
机构
[1] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai 200240, Peoples R China
[2] Iwate Univ, Fac Engn, NDE, Morioka, Iwate 0208551, Japan
[3] Iwate Univ, Fac Engn, Ctr Sci Res, Morioka, Iwate 0208551, Japan
基金
日本学术振兴会;
关键词
martensitic phase transformation; quench induced; saturation magnetization; plastic strain; coercivity;
D O I
10.1016/j.scriptamat.2007.06.032
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The effect of deformation on martensitic transformation in austenitic stainless steel type 304 was studied by using the magnetic method on samples subjected to subsequent quench in liquid nitrogen after tensile deformation at 200 degrees C. The results show that formation of quench-induced alpha' martensite is very sensitive to plastic strain, and unlike that induced by deformation, its amount decreases with increasing strain. Furthermore, the coercivity of quench-induced alpha' martensite also exhibits a trend opposite to that of deformation-induced martensite. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:711 / 714
页数:4
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