Dislocation structures and the deformation of materials

被引：22

作者：

Koslowski, M ^{[1
]}

LeSar, R ^{[1
]}

Thomson, R ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.93.265503

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present results from phase-field simulations of a two-dimensional model of dislocation microstructure development under increasing strain that incorporates the effects of the full, three-dimensional, microstructure in an approximate way. Despite its simplicity, the model yields quantitative predictions of both the deformation properties of face-centered cubic metals as well as key descriptors of the evolving microstructure over a wide range of stress and strain. The present results have important implications for how we interpret and describe the deformation properties of fcc materials.

引用

页数：4