Steel and Composite Structures
Volume 28, Number 5, 2018, pages 517-525
DOI: 10.12989/scs.2018.28.5.517
Constitutive model for ratcheting behavior of Z2CND18.12N austenitic stainless steel under non-symmetric cyclic stress based on BP neural network
Xingang Wang, Xiaohui Chen, Mingming Yan and Miaoxin Chang
Abstract
The specimens made by Z2CND18.12N austenitic stainless steel were conducted on a 100 kN closed loop servo hydraulic tension-compression testing machine with a digital controller. Uniaxial tension and uniaxial ratcheting effect tests were carried out at 25
Key Words
BP neural network; constitutive relationship; Z2CND18.12N austenitic stainless steel; ratcheting strain; temperature
Address
(1) Xingang Wang, Xiaohui Chen, Mingming Yan, Miaoxin Chang:
Mechanical Engineering and Automation, Center of Mechanical Reliability & Dynamics, Northeastern University, Taishan Road, Development District, Qinhuangdao, Hebei Province, 066004, China;
(2) Xiaohui Chen:
School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, China, 300072, China.