Deformation behavior of magnesium single crystals in c-axis compression

被引：51
|
作者：
Kitahara, Takaaki [1 ]
Ando, Shinji [2 ]
Tsushida, Masayuki [2 ]
Kitahara, Hiromoto [2 ]
Tonda, Hideki [2 ]
机构：
[1] Kumamoto Univ, Grad Sch Sci & Technol, 2-39-1 Kurokami, Kumamoto 8608555, Japan
[2] Kumamoto Univ, Dept Mat Sci & Engn, Kumamoto 8608555, Japan
来源：
MECHANICAL BEHAVIOR OF MATERIALS X, PTS 1AND 2 | 2007年 / 345-346卷
关键词：
magnesium; compression; yield stress; single crystal;
D O I：
10.4028/www.scientific.net/KEM.345-346.129
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In general, deformation behavior of magnesium in compression is different from tensile. To investigate deformation behavior of magnesium single crystals, c-axis compression was performed. The crystals were yielded by second order pyramidal slip, and the yield stress shows anomalous temperature dependence (increased with increasing temperature) between 203K and 293K. Yield stress of c-axis compression is bigger than that of a-axis tensile. {10-13} twin and {11-24} twin occurred at 77 similar to 293K and 77 similar to 473K respectively. Fracture surface at 77 similar to 293K was {11 -24} and at 473K was {11 -22}.
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收藏
页码：129 / +
页数：2
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