Recoverable creep deformation due to heterogeneous grain-boundary diffusion and sliding

被引：26

作者：

Wei, Yujie ^{[1
]}

Bower, Allan F. ^{[1
]}

Gao, Huajian ^{[1
]}

机构：

[1] Brown Univ, Div Engn, Providence, RI 02912 USA

来源：

SCRIPTA MATERIALIA | 2007年 / 57卷 / 10期

关键词：

nanocrystalline materials; recoverable creep deformation; heterogeneous grain-boundary diffusion; grain-boundary sliding;

D O I：

10.1016/j.scriptamat.2007.07.031

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Recently, Rajagopalan et al. [J. Rajagopalan, J. Han, M.T. Saif, Science, 315 (2007) 1831] studied deformation in free-standing face-centered cubic nanocrystalline thin films and reported that "plastic" deformation in these films is partially recoverable. Here we perform numerical simulations to show that this phenomenon could be explained from the point of view of heterogeneous grain-boundary diffusion and sliding. Published by Elsevier Ltd. on behalf of Acta Materialia Inc.

引用

页码：933 / 936

页数：4

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