Micromechanical interactions in a superduplex stainless steel subjected to low cycle fatigue loading

被引：11
作者：
Peng, R. Lin [1 ]
Chai, G. [2 ]
Jia, N. [3 ]
Wang, Y. D. [3 ]
Johansson, S. [1 ]
机构：
[1] Linkoping Univ, Dept Management & Engn, S-58183 Linkoping, Sweden
[2] Sandvik Mat Technol, R&D, SFM, S-81181 Sandviken, Sweden
[3] Northeastern Univ, Sch Met & Mat, Shenyang 110004, Peoples R China
来源：
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 2008年 / 31卷 / 10期
关键词：
duplex stainless steel; low cycle fatigue; micromechanical behaviour; neutron diffraction; VPSC simulation;
D O I：
10.1111/j.1460-2695.2008.01277.x
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Micromechanical interactions in an austenitic-ferritic SAF 2507 steel under lowcycle fatigue loading was studied by experiment and simulation. Neutron diffraction measurements of residual lattice strains were made on specimens unloaded from different cyclic deformation stages, namely cyclic hardening, softening and saturation. With self-consistent modelling, the micromechanical behaviour of the constituent phases was studied for the first loading cycle. The evolution of the residual lattice strain distributions with cyclic loading and the development of phase stresses have been analysed with respect to the initial residual stress field and the different mechanical properties of the constituent phases.
引用
收藏
页码：892 / 901
页数：10
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