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 , 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.

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