Paper Title:

Damage Evolution Equation of AZ31B Magnesium Alloy during Superplastic Deformation

Periodical Materials Science Forum (Volumes 610 - 613)
Main Theme Materials Research
Edited by Zhongwei Gu, Yafang Han, Fusheng Pan, Xitao Wang, Duan Weng and Shaoxiong Zhou
Pages 831-837
DOI 10.4028/www.scientific.net/MSF.610-613.831
Citation Mei Juan Song et al., 2009, Materials Science Forum, 610-613, 831
Online since January, 2009
Authors Mei Juan Song, Ling Yun Wang, Rao Chuan Liu, Zhi Xiang Wang
Keywords AZ31B Magnesium Alloy, Cavity, Damage, Superplasticity
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Abstract

After superplastic tensile tests and quantitative analysis of cavity volume fraction, the damage evolution equation based on the law of the micro-damage evolution and statistical mechanics was derived out. The characteristic parameters of damage evolvement and critical value of damage variables are achieved from the experiments.