Elastic instability of slip traces in oxidized thin foils

被引：1
|
作者：
Yousser, Sami
Fnaiech, Mustapha
Bonnet, Roland
机构：
[1] UJF, CNRS, INPGrenoble, F-38402 St Martin Dheres, France
[2] Fac Sci, Unite Rech Phys Solide, Monastir 5019, Tunisia
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2007年 / 244卷 / 06期
关键词：
D O I：
10.1002/pssb.200642587
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Parallel slip traces are often observed in transmission electron microscopy of oxidized and deformed thin foils, but apparently they have not been reported for foils with thicknesses less than a few tens of nanometers. This situation can be explained by an elastic instability of a dislocation dipole for foil thicknesses lower than a critical threshold value. This value is derived from the knowledge of the elastic field of a dislocation in a three-layer laminated medium and the minimization of the elastic potential energy of the thin foil. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：1908 / 1912
页数：5
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