Discontinuous yielding with remarkable Luders deformation in a duplex stainless steel during tensile deformation at 77 K

被引：6
作者：
Chen, Ming [1 ]
Deng, Wenlong [1 ]
Wang, MengMeng [1 ]
Li, Jiansheng [1 ]
Xing, Shilong [2 ]
机构：
[1] Anhui Polytech Univ, Sch Mat Sci & Engn, Wuhu 241000, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2023年 / 875卷
关键词：
Duplex stainless steel; Discontinuous yielding; Scanning electron microscopy (SEM); Electron backscattering diffraction (EBSD); TRIP STEEL; BEHAVIOR; ULTRAFINE; STRAIN; TRANSFORMATION; MARTENSITE; DUCTILITY; PHASES; GRAIN;
D O I：
10.1016/j.msea.2023.145095
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Duplex stainless steels with ultrafine-or fine-grained microstructures showed pronounced discontinuous yielding and Luders banding behavior during tensile deformation at 77 K. In particular, sample with high-stability "eye"-shaped structures and ultrafine grains exhibited a yield strength of 1750 MPa, a yield drop of 87 MPa and a Luders strain of 0.23.
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页数：7
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