The role of geometrically necessary dislocations in giving material strengthening

被引：128

作者：

Fleck, NA

Ashby, MF

Hutchinson, JW

机构：

[1] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England

[2] Harvard Univ, Div Engn & Appl Sci, Cambridge, MA 02139 USA

来源：

SCRIPTA MATERIALIA | 2003年 / 48卷 / 02期

关键词：

dislocation; micromechanical modelling; plastic deformation;

D O I：

10.1016/S1359-6462(02)00338-X

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The role of geometrically necessary dislocations in providing macroscopic strengthening is reviewed with particle reinforcement as an example. The general relation between the Nye tensor and slip along a curvilinear slip line net is derived to emphasise the importance of curvature of slip lines upon the rate of dislocation storage. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.

引用

页码：179 / 183

页数：5

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