Modified kinematic hardening rule for multiaxial ratcheting prediction

被引：198

作者：

Chen, X ^{[1
]}

Jiao, R ^{[1
]}

机构：

[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China

来源：

INTERNATIONAL JOURNAL OF PLASTICITY | 2004年 / 20卷 / 4-5期

基金：

中国国家自然科学基金;

关键词：

kinematic hardening rule; ratcheting; cyclic plasticity; multiaxial loading; constitutive model;

D O I：

10.1016/j.ijplas.2003.05.005

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A modified kinematic hardening rule is proposed in which one biaxial loading dependent parameter delta' connecting the radial evanescence term [(alpha:n)ndp] in the Burlet-Cailletaud model with the dynamic recovery term of Ohno-Wang kinematic hardening rule is introduced into the framework of the Ohno-Wang model. Compared with multiaxial ratcheting experimental data obtained on 1Cr18Ni9Ti stainless steel in the paper and CS1026 steel conducted by Hassan et al. [Int. J. Plasticity 8 (1992) 117], simulation results by modified model are quite well in all loading paths. The simulations of initial nonlinear part in ratcheting curves can be improved greatly while the evolutional parameter delta' related to plastic strain accumulation is added into the modified model. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：871 / 898

页数：28

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