Transactions of Materials and Heat Treatment

Title：Stress distribution on austenitic stainless steel during plastic deformation

Authors： Fu Dianyu1 Jiang Peng1 Sun Yong1 Ling Yunhan1 Sun Weiling1 Deng Xiaoting2

Unit： 1. Beijing Mechanical and Electrical Research Institute Co. Ltd. CAM 2. Material Science and Engineering Shenyang Ligong University

KeyWords： stainless steel stress distribution organization phase transition deformation degree deformation temperature

ClassificationCode：TG113

year,vol(issue):pagenumber：2023,48(3):255-260

Abstract：

In order to study the stress distribution laws of austenitic stainless steel after deformation and the relationship with martensitic transformation behavior, the residual stress of deformed austenitic stainless steel plate was measured and analyzed, and the microstructure was observed in the corresponding deformation area. During the test, the uniaxial tensile test of austenitic stainless steel plate was carried out, and the stress values under different deformation conditions were analyzed by non-destructive testing method of X-ray diffraction (XRD). Finally, the verification analysis was carried out by finite element simulation, and the stress distribution laws under different deformation conditions were obtained. The results show that the deformation degree, deformation temperature, microstructure phase transition and other factors have certain influence on the stress distribution laws after deformation. Furthermore, with the increasing of tensile load, the deformation complexity increases, the unevenness of residual stress distribution increases, and the measured stress value increases. In addition, with the increasing of temperature, the microstructure of the material itself changes, and the stress value decreases.

Funds：

作者简介：付殿禹（1978-），男，博士，工程师 E-mail：romhand_fdy@163.com 通信作者：蒋鹏（1964-），男，博士，研究员级高级工程师 E-mail：jp1964@163.com

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