Influence of Initial Texture on Twin Formation and Plastic Deformation of Rolled AZ31 Mg Alloy

被引：0
|
作者：
Lee, B. H. [1 ]
Park, S. H. [1 ]
El Mehtedi, M. [2 ]
Evangelista, E. [2 ]
Lee, C. S. [1 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Pohang 790784, South Korea
[2] Polytech Univ Marche, INFM, Dept Mech, I-60131 Ancona, Italy
来源：
ADVANCED MATERIALS AND PROCESSING | 2007年 / 26-28卷
关键词：
AZ31 Magnesium alloy; Texture; Twin; Slip; Homogeneous deformation;
D O I：
10.4028/www.scientific.net/AMR.26-28.149
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of initial texture on the formation of primary twin system of AZ31 Magnesium rolled plate was investigated in this work. Uniaxial compression tests were carried out on samples cut along the rolling direction (RD) and normal direction (ND) of rolled AZ31 Mg plate at various temperatures (RT, 150, 200, 250, 300, 350, 400, 450 degrees C) with the fixed strain rate (0.01s(-1)). The results showed that the primary twinning system of AZ31 Mg alloy (c-axis extension twin) occurred actively in the RD compression specimens, which promoted homogeneous deformation as compared to the ND compression specimens. The effect of temperature on the formation of deformation twins was also investigated, and slip/twin transition temperature was found to be 250 degrees C.
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页码：149 / +
页数：5
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