The logarithmic singularity of an accelerating edge dislocation

被引：6
|
作者：
Ni, LQ [1 ]
Markenscoff, X [1 ]
机构：
[1] Univ Calif San Diego, Dept Mech & Aerosp Engn, La Jolla, CA 92093 USA
来源：
PHILOSOPHICAL MAGAZINE | 2003年 / 83卷 / 31-34期
关键词：
D O I：
10.1080/14786430310001599504
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By singular asymptotic series expansion of the integrals giving the radiated field from a dislocation loop, the logarithmic singularity of the near-field expansion is obtained for a straight edge dislocation. The coefficient of the singularity depends linearly on the instantaneous value of the acceleration and constitutes the leading term of the energy-release rate for a moving dislocation in a general motion.
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页码：3723 / 3734
页数：12
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