Constitutive modeling of evolving plasticity in high strength steel sheets

Z Cai, K Diao, X Wu, M Wan - International Journal of Mechanical Sciences, 2016 - Elsevier
In this paper, biaxial tensile tests with cruciform specimens were conducted to obtain the
experimental plastic work contours of DP590, DP780 and DP980 sheets. It was found that …

A modified yield function for modeling of the evolving yielding behavior and micro-mechanism in biaxial deformation of sheet metals

ZY Cai, B Meng, M Wan, XD Wu, MW Fu - International Journal of Plasticity, 2020 - Elsevier
In-depth understanding of the evolving plastic yielding behaviors and insight into their micro-
scaled mechanisms are critical for fully exploiting of the formability of sheet metals …

Numerical investigation and experimental validation of a plasticity model for sheet steel forming

T Carvalho-Resende, T Balan, S Bouvier… - … and Simulation in …, 2012 - iopscience.iop.org
This paper investigates a recently developed elasto-plastic constitutive model. For this
purpose, the model was implemented in a commercial finite element code and was used to …

Anisotropic hardening and evolution of r-values for sheet metal based on evolving non-associated Hill48 model

Z Mu, J Zhao, Q Meng, H Sun, G Yu - Thin-Walled Structures, 2022 - Elsevier
The uniaxial tensile tests and biaxial tensile tests were carried out to investigate the
deformation behavior and yield loci of DC06 steel sheet. The continuous evolution of r …

Investigation of anisotropic plastic deformation of advanced high strength steel

S Panich, V Uthaisangsuk, S Suranuntchai… - Materials Science and …, 2014 - Elsevier
Influences of constitutive models on plastic behavior of a TRansformation Induced Plasticity
(TRIP) high strength steel were investigated. Different yield criteria, the von Mises's isotropic …

[HTML][HTML] Measurement and modelling of strain-path dependent anisotropic hardening behaviors of high strength steels subjected to pre-strains

TL Aung, N Ma, Y Okitsu, S Hayashi, K Takada… - Journal of Materials …, 2023 - Elsevier
Anisotropic yielding and hardening behaviors are important parts of a constitutive model for
material formability and strength assessment. In this work, the work hardening …

Influence of evolution in anisotropy during strain path change on failure limits of sheet metals

K Bandyopadhyay, S Basak, H Choi, SK Panda… - Metals and Materials …, 2021 - Springer
Abstract Effects of evolution in anisotropy during plastic deformation under strain path
changes on the formability and failure were investigated in the present study. The evolution …

Characterization and modelling of evolving plasticity behaviour up to fracture for FCC and BCC metals

C Zhang, Y Lou - Journal of Materials Processing Technology, 2023 - Elsevier
Yield surfaces evolve depending on loading directions (anisotropic hardening) and stress
states (differential hardening) during plastic deformation of sheet metals. A new analytical …

Modeling material behavior during continuous bending under tension for inferring the post-necking strain hardening response of ductile sheet metals: Application to …

TJ Barrett, M Knezevic - International Journal of Mechanical Sciences, 2020 - Elsevier
Continuous bending under tension (CBT) testing can stretch ductile sheet metals
significantly more than simple tension (ST) testing. Strength and plastic strain levels …

Effect of yield criteria on the formability prediction of dual-phase steel sheets

C Cheng, M Wan, XD Wu, ZY Cai, R Zhao… - International Journal of …, 2017 - Elsevier
The yield criterion is the basis of the material model that can describe the plastic behavior of
the material under any possible stress states. The influence of diverse yield criteria on the …