Bauschinger Effect on Springback of Clad Sheet Metals in Draw Bending

被引:6
作者
Yilamu, K. [1 ]
Hino, R. [1 ]
Hamasaki, H. [1 ]
Yoshida, F. [1 ]
机构
[1] Hiroshima Univ, Dept Mech Syst Engn, Higashihiroshima 7398527, Japan
关键词
clad sheet metals; draw bending; springhack; Bauschinger effect; finite element simulation; constitutive model; STRAIN CYCLIC PLASTICITY; STAINLESS-STEEL; BEHAVIOR; MODEL;
D O I
10.2320/matertrans.M2010058
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
For clad sheet metals, springback behavior is directly related to the elastic-plastic properties such as Young's modulus, the yield strength, workhardening and the Bauschinger effect of each metal layer. The aim of this study is to understand the springback characteristics of the clad sheet metals in draw bending based on the accurate FE simulation corresponding to experimental data on stainless-steel clad aluminum sheets. In the discussion, the special emphasis is placed on the influence of the Bauschinger effect. For that purpose, in the simulation, two types of material models, one is the classical isotropic hardening model (no Bauschinger effect included) and the other Yoshida-Uemori kinematic hardening model which describes the Bauschinger effect of materials properly, were used and these numerical results were compared. [doi:10.2320/matertrans.M2010058]
引用
收藏
页码:1364 / 1366
页数:3
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