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Open Access

ARTICLE

Research on Deformation Mechanism of Rolled AZ31B Magnesium Alloy during Tension by VPSC Model Computational Simulation

Xun Chen1, Jinbao Lin1,2,*, Zai Wang1
1 School of Applied Science, Taiyuan University of Science and Technology, Taiyuan, 030024, China
2 School of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, China
* Corresponding Author: Jinbao Lin. Email: email

Computers, Materials & Continua https://doi.org/10.32604/cmc.2025.072495

Received 28 August 2025; Accepted 24 November 2025; Published online 09 December 2025

Abstract

This work investigates the effects of deformation mechanisms on the mechanical properties and anisotropy of rolled AZ31B magnesium alloy under uniaxial tension, combining experimental characterization with Visco-Plastic Self Consistent (VPSC) modeling. The research focuses particularly on anisotropic mechanical responses along transverse direction (TD) and rolling direction (RD). Experimental measurements and computational simulations consistently demonstrate that prismatic slip activation significantly reduces the strain hardening rate during the initial stage of tensile deformation. By suppressing the activation of specific deformation mechanisms along RD and TD, the tensile mechanical behavior of the magnesium alloy was further investigated. The results show that basal slip has the greatest impact during the initial deformation stage and basal slip activation substantially affects the deformation behavior of AZ31B alloy, causing marked decreases in both yield and tensile strength along RD. Under tensile loading along TD, prismatic slip not only exhibits a synergistic effect on yield strength, but also dominants work hardening during the initial plastic deformation.

Keywords

Visco-plastic self-consistent (VPSC) model; mechanical behavior; rolled AZ31B alloy; anisotropy

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