Effects of sensitisation-induced martensitic transformation on the tensile behaviour of 304 austenitic stainless steel

被引：15
|
作者：
Lo, K. H. [1 ]
Zeng, D. [1 ]
Kwok, C. T. [1 ]
机构：
[1] Univ Macau, Dept Electromech Engn, Fac Sci & Technol, Macao, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2011年 / 528卷 / 03期
关键词：
Sensitisation; Tensile behaviour; Strain hardening; Martensite; STRAIN-INDUCED MARTENSITE; MAGNETIC-PROPERTIES; TEMPERATURE; DEFORMATION;
D O I：
10.1016/j.msea.2010.09.060
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effects of sensitisation-induced martensitic transformation on the tensile behaviour of 304 austenitic stainless steel have been investigated. Yield strength is reduced by sensitisation, but ultimate tensile strength is nearly unaffected. Strain-hardening behaviour is changed by sensitisation, too. Although sensitisation may induce martensite formation near grain boundary, twin boundary, and austenite/martensite interface, the sensitisation-induced martensite does not exert a great influence on tensile behaviour in the 304 steel. In the unsensitised condition, martensitic transformation in the steel bulk induced by prior deformation and liquid-nitrogen immersion also does not change strain-hardening behaviour in the present steel. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1003 / 1007
页数：5
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