Plastic deformation behavior of high strength steel sheet under non-proportional loading and its modeling

被引：0

作者：

Uemori, T. ^{[1
]}

Kuramitsu, T.

Hino, R. ^{[1
]}

Naka, T. ^{[2
]}

Yoshida, F. ^{[1
]}

机构：

[1] Hiroshima Univ, Fac Engn, Dept Mech Syst Engn, Engn Elastoplast Lab, 1-4-1 Kagamiyama, Higashihiroshima 7398527, Japan

[2] Yuge Natl Coll Maritime Technol, Kamijima, Ehime 7942593, Japan

来源：

ENGINEERING PLASTICITY AND ITS APPLICATIONS FROM NANOSCALE TO MACROSCALE, PTS 1 AND 2 | 2007年 / 340-341卷

关键词：

kinematic hardening model; high tensile strength steel sheet; non-proportional loading; constitutive model; yield function;

D O I：

10.4028/www.scientific.net/KEM.340-341.895

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper deals with experimental observations and modeling of plastic deformations of a high strength steel sheet (HSS sheet) under biaxial stress conditions. Using a cruciform specimen of a HSS sheet of 980MPa-TS, experiments of proportional and non-proportional loadings were performed. Numerical simulations for the biaxial stress-strain responses were conducted using a constitutive model of large-strain cyclic plasticity (Yoshida-Uemori model), and the results were compared to the experimental data. The results of numerical simulation show a good agreement with the experimental results, which is attributed to accurate modeling of the backstress evolution of the anisotropic yield surface.

引用

页码：895 / +

页数：2

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