A direct comparison between climb and glide dislocation velocities in an icosahedral Al-Pd-Mn quasicrystal

被引：4
|
作者：
Mompiou, F [1 ]
Caillard, D [1 ]
机构：
[1] CNRS, CEMES, F-31055 Toulouse, France
来源：
PHILOSOPHICAL MAGAZINE LETTERS | 2004年 / 84卷 / 09期
关键词：
D O I：
10.1080/0950083042000298497
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The formation and evolution of a dislocation dipole has been recorded during an in-situ heating experiment in a transmission electron microscope (TEM) at 740degreesC. The formation took place by pure climb in parallel planes but no subsequent annihilation was observed. Since annihilation was only possible by glide, this Situation indicates that glide in two-fold planes is a considerably more difficult process than climb, at least at high temperature.
引用
收藏
页码：555 / 564
页数：10
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