Modelling of cyclic plasticity and martensitic transformation for type 304 austenitic stainless steel

被引：21
|
作者：
Hamasaki, Hiroshi [1 ]
Ohno, Tatsuya [1 ]
Nakano, Takashi [1 ]
Ishimaru, Eiichiro [2 ]
机构：
[1] Hiroshima Univ, Dept Mech Sci & Engn, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 7398527, Japan
[2] Nippon Steel & Sumikin Stainless Steel Corp, 3434 Shimata, Yamaguchi 7438550, Japan
来源：
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 2018年 / 146卷
基金：
日本学术振兴会;
关键词：
Stainless steel; Martensitic transformation; Cyclic plasticity; Constitutive equation; DEFORMATION-INDUCED TRANSFORMATION; STRAIN-RATE; MECHANICAL-BEHAVIOR; CONSTITUTIVE MODEL; KINETICS; STATE;
D O I：
10.1016/j.ijmecsci.2017.12.003
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Isothermal monotonic tension and cyclic tests are conducted on type 304 austenitic stainless steel at 20, 50 and 80 degrees C from which stress-strain curves and martensite volume fraction were evaluated. The obtained data showed that deformation induced martensitic transformation was highly temperature dependent in monotonic tensile and cyclic tests. In cyclic test, stagnation of martensitic transformation was observed during the Bauschinger region, which imply that the transformation was triggered by austenite stress rather than the plastic strain. Finally, constitutive model based on stress induced hypothesis was proposed and it was validated by comparing the experimental results and the calculation with the conventional Stringfellow model. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：536 / 543
页数：8
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