Plastic Deformation of Bicrystals Within Continuum Dislocation Theory

被引：13

作者：

Kochmann, D. M. ^{[1
]}

Le, K. C. ^{[1
]}

机构：

[1] Ruhr Univ Bochum, Lehrstuhl Allgemeine Mech, D-44780 Bochum, Germany

来源：

MATHEMATICS AND MECHANICS OF SOLIDS | 2009年 / 14卷 / 06期

关键词：

bicrystal; dislocation; threshold; work hardening; size effect; GRADIENT CRYSTAL PLASTICITY; DISCRETE DISLOCATION; INTERFACES; FLOW;

D O I：

10.1177/1081286507087322

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Within continuum dislocation theory the plastic deformation of bicrystals under plane strain constrained shear is considered. An analytical solution is found in the symmetric case (for twins) which exhibits the energetic and dissipative thresholds for dislocation nucleation, the Bauschinger translational work hardening, and the size effect. Similar features hold true also for the numerical solution in the general case.

引用

页码：540 / 563

页数：24

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