Influence of {10-12} extension twinning on the flow behavior of AZ31 Mg alloy

被引:321
作者
Jiang, Lan
Jonas, John J.
Luo, Alan A.
Sachdev, Anil K.
Godet, Stephane
机构
[1] McGill Univ, Dept Mat Engn, Montreal, PQ H3A 2B2, Canada
[2] Gen Motors Res & Dev Ctr, Warren, MI 48090 USA
[3] Univ Catholique Louvain, IMAP, B-1348 Louvain, Belgium
来源
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2007年 / 445卷
基金
加拿大自然科学与工程研究理事会;
关键词
magnesium; {10-12} twinning; work hardening; EBSD;
D O I
10.1016/j.msea.2006.09.069
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Uniaxial compression tests were performed on samples cut along the extrusion direction from AZ31 Mg alloy tubes. A stage of increasing work hardening rate was observed on representative true sigma-epsilon curves. Specimens compressed to various strain levels were examined by optical microscopy and electron backscattered diffraction (EBSD) techniques. The results indicate that the widespread formation of intersecting {10-12} extension twins is responsible for the increased strain hardening rate. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:302 / 309
页数:8
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