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

T. Uemori; T. Kuramitsu; R. Hino; T. Naka; F. Yoshida

doi:10.4028/0-87849-433-2.895

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

T. Uemori, T. Kuramitsu, R. Hino, T. Naka, F. Yoshida

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	895-900
Number of pages	6
Journal	Key Engineering Materials
Volume	340-341 II
DOIs	https://doi.org/10.4028/0-87849-433-2.895
Publication status	Published - 2007

Keywords

Constitutive model
High tensile strength steel sheet
Kinematic hardening model
Non-proportional loading
Yield function

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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abstract = "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.",

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AU - Uemori, T.

AU - Kuramitsu, T.

AU - Hino, R.

AU - Naka, T.

AU - Yoshida, F.

PY - 2007

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N2 - 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.

AB - 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.

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