Calculation of the influence of plastic deformation on the evolution of crack stress intensity factors in a body-centered cubic crystal

被引：0
|
作者：
D. N. Karpinskii
S. V. Sannikov
机构：
[1] Southern Federal University,
来源：
Physics of the Solid State | 2015年 / 57卷
关键词：
Plastic Deformation; Stress Intensity Factor; Plastic Zone; Slip System; Cleavage Plane;
D O I：
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学科分类号：
摘要：
The evolution of stress intensity factors in a mixed loading mode has been calculated for different cleavage planes, the direction of the crack front, and the easy slip systems near the crack tip in a body-centered cubic (bcc) crystal. Calculations take into account the mutual influence of the plastic deformation and crack tip shape as well as T stress. The dependence of screening the crack tip by dislocations on the crack orientation, easy slip system, and fracture modes is found.
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页码：563 / 568
页数：5
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