Probabilistic nature of the nucleation of dislocations in an applied stress field

被引：15
|
作者：
Ngan, AHW [1 ]
Zuo, L [1 ]
Wo, PC [1 ]
机构：
[1] Univ Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China
来源：
SCRIPTA MATERIALIA | 2006年 / 54卷 / 04期
关键词：
nanoindentation; yield phenomena; plastic deformation; statistical mechanics; size effect;
D O I：
10.1016/j.scriptamat.2005.10.039
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The nucleation of dislocations under applied stress exhibits significant statistical scatter, as well as time and size dependence. In this work, a general probabilistic theory is proposed to explain these. The predicted survival probability Under nanoindentation loading is found to be in excellent agreement with experimental results in Ni3Al. (c) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：589 / 593
页数：5
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