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CLC number: TG146.2

On-line Access: 2010-10-05

Received: 2010-03-19

Revision Accepted: 2010-06-17

Crosschecked: 2010-08-26

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Journal of Zhejiang University SCIENCE A 2010 Vol.11 No.10 P.744-755

http://doi.org/10.1631/jzus.A1000107


On the role of the constitutive model and basal texture on the mechanical behaviour of magnesium alloy AZ31B sheet


Author(s):  H. Wang, P. D. Wu, K. W. Neale

Affiliation(s):  Department of Mechanical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada, Faculty of Engineering, University of Sherbrooke, Sherbrooke, Quebec J1K 2R1, Canada

Corresponding email(s):   peidong@mcmaster.ca

Key Words:  Magnesium alloys, Crystal plasticity, Twinning, Texture


H. Wang, P. D. Wu, K. W. Neale. On the role of the constitutive model and basal texture on the mechanical behaviour of magnesium alloy AZ31B sheet[J]. Journal of Zhejiang University Science A, 2010, 11(10): 744-755.

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author="H. Wang, P. D. Wu, K. W. Neale",
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doi="10.1631/jzus.A1000107"
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%0 Journal Article
%T On the role of the constitutive model and basal texture on the mechanical behaviour of magnesium alloy AZ31B sheet
%A H. Wang
%A P. D. Wu
%A K. W. Neale
%J Journal of Zhejiang University SCIENCE A
%V 11
%N 10
%P 744-755
%@ 1673-565X
%D 2010
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1000107

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T1 - On the role of the constitutive model and basal texture on the mechanical behaviour of magnesium alloy AZ31B sheet
A1 - H. Wang
A1 - P. D. Wu
A1 - K. W. Neale
J0 - Journal of Zhejiang University Science A
VL - 11
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SP - 744
EP - 755
%@ 1673-565X
Y1 - 2010
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1000107


Abstract: 
The recently developed elastic-viscoplastic self-consistent model with various self-consistent schemes was applied to study the effect of basal texture on the mechanical behavior of magnesium alloy AZ31B sheet. The influence of the basal texture was investigated using various initial textures generated by artificially tilting the measured texture of the reference AZ31B sheet around in a transverse direction. The material parameters for the various models were fitted to experimental uniaxial tension and compression along the rolling direction and were then used to study the effects of the basal texture on the yield stress, R value, ultimate stress and uniform strain under uniaxial tension. The effect of the basal texture on sheet metal forming was further assessed by calculating the limit strain under in-plane plane strain tension. An assessment of the predictive capability of polycrystal plasticity models was made based on comparisons of predictions and experimental observations. Among the available self-consistent approaches, the Affine self-consistent scheme resulted in the best overall performance.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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