Contact and friction at nanoscale

被引：1
|
作者：
Liu, X. M. [1 ]
You, X. [1 ]
Zhuang, Z. [1 ]
机构：
[1] Tsinghua Univ, Sch Aerosp, Dept Engn Mech, Beijing 100084, Peoples R China
来源：
ADVANCES IN FRACTURE AND MATERIALS BEHAVIOR, PTS 1 AND 2 | 2008年 / 33-37卷
关键词：
molecular dynamics; indentation; friction; dislocation evolution;
D O I：
10.4028/www.scientific.net/AMR.33-37.999
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Molecular Dynamics (MD) simulations of indentation and scratch over crystal nickel (100) were carried out to investigate the microstructure evolution at nanoscale. The dislocation nucleation and propagation during process were observed preferably between close-packed planes, Dislocation loops are formed under both indentation and scratch process, and indentation and friction energy were transferred to the substrate in the form of phonon of disordered atoms, then part of the energy dissipated and rest is remain in the form of permanent plastic deformation.
引用
收藏
页码：999 / 1004
页数：6
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