Deformation dynamics study of a wrought magnesium alloy by real-time in situ neutron diffraction

被引:44
作者
Wu, Wei [1 ]
An, Ke [2 ]
Huang, Lu [1 ]
Lee, Soo Yeol [3 ]
Liaw, Peter K. [1 ]
机构
[1] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA
[2] Oak Ridge Natl Lab, Chem & Engn Mat Div, Oak Ridge, TN 37831 USA
[3] Chungnam Natl Univ, Dept Mat Sci & Engn, Taejon 305764, South Korea
基金
美国国家科学基金会; 新加坡国家研究基金会;
关键词
Magnesium alloy; Neutron diffraction; Texture; Deformation mechanisms; Twinning; STRESS-RELAXATION; BEHAVIOR; VULCAN; DIFFRACTOMETER; EVOLUTION; STRAIN; ZK60A; AZ31B; LOAD; SNS;
D O I
10.1016/j.scriptamat.2013.05.008
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The deformation dynamics and the effect of deformation history on plastic deformation in a wrought magnesium alloy at room temperature have been studied by real-time in situ neutron diffraction measurements under a continuous loading condition. The experimental results reveal that no detwinning occurred during unloading after compression and even in an elastic region during reverse tension. It is found that the serration behavior is closely related to the twinning- and detwinning-dominated deformation. (c) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:358 / 361
页数:4
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