Anisotropy of transient high-temperature bending creep of single crystals

被引：0
|
作者：
V. P. Matsokin
M. V. Milyi
I. N. Pakhomova
D. V. Matsokin
机构：
[1] Karazin Kharkov National University,
来源：
Powder Metallurgy and Metal Ceramics | 2010年 / 49卷
关键词：
creep; stresses; deformation; dislocation; anisotropy;
D O I：
暂无
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学科分类号：
摘要：
The orientation dependence of the transient high-temperature creep rate of NaCl and KCl single crystals under nonuniform stresses is experimentally studied. The anisotropy of high-temperature bending creep of single crystals is ascertained by analyzing the distribution of bending stresses, the number of possible dislocations providing deformation, the reduced shear stresses causing sliding of dislocations, and the dislocation structure of single crystals after creep. It is shown that hindered dislocation sliding in the easy sliding system activates a new slip system at a certain temperature.
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页码：159 / 166
页数：7
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