Stroh formalism for icosahedral quasicrystal and its application

被引：40
|
作者：
Li, Lian He [1 ]
Liu, Guan Ting [1 ]
机构：
[1] Inner Mongolia Normal Univ, Coll Math Sci, Hohhot 010022, Peoples R China
来源：
PHYSICS LETTERS A | 2012年 / 376卷 / 8-9期
基金：
中国国家自然科学基金;
关键词：
Icosahedral quasicrystal; Plane elasticity; Stroh formalism; Dislocation; ANISOTROPIC ELASTICITY; DISLOCATIONS; SYMMETRY; ALLOYS; CRACKS; ORDER;
D O I：
10.1016/j.physleta.2012.01.027
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The Stroh formalism for two-dimensional deformations of the icosahedral quasicrystal is studied, for which there are six pairs of complex eigenvalues. The closed-form expressions for the elastic displacement and stress fields induced by a dislocation in an icosahedral quasicrystal are obtained using the extended Stroh formalism. The effect of phonon-phason coupling elastic constant on mechanical behavior are also discussed. (C) 2012 Elsevier B.V. All rights reserved.
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页码：987 / 990
页数：4
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