Nanoindentation of Zr by molecular dynamics simulation

被引：27
|
作者：
Lu, Zizhe [1 ]
Chernatynskiy, Aleksandr [1 ]
Noordhoek, Mark J. [1 ]
Sinnott, Susan B. [1 ]
Phillpot, Simon R. [1 ]
机构：
[1] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA
来源：
JOURNAL OF NUCLEAR MATERIALS | 2015年 / 467卷
基金：
美国国家科学基金会;
关键词：
DISLOCATION NUCLEATION; DEFORMATION PROCESSES; MECHANISMS; TANTALUM;
D O I：
10.1016/j.jnucmat.2015.10.042
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Molecular dynamics simulations of nanoindentation are used to study the deformation behaviors of single crystal Zr for four different surface orientations. The comparison of results for two different potentials, an embedded atom method potential and a charged optimized many body potential, reveals the influence of stable and unstable stacking fault energy on dislocation behaviors under nanoindentation. The load-displacement curve, hardness and deformation behaviors of the various surface orientations Zr are compared and the elastic and plastic deformation behaviors are analyzed. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：742 / 757
页数：16
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