NDLI: Molecular dynamics simulation on burst and arrest of stacking faults in nanocrystalline Cu under nanoindentation

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Molecular dynamics simulation on burst and arrest of stacking faults in nanocrystalline Cu under nanoindentation

Content Provider	Scilit
Author	Ma, Xin-Ling Yang, Wei
Copyright Year	2003
Description	Journal: Nanotechnology Nanoindentation induces versatile deformation mechanisms. The situation is examined here for the case of nanocrystalline Cu by means of parallel molecular dynamics simulations. The indenter is applied to the grain boundary (GB) or to the grain interior. The inter-atomic interaction of Cu is modelled by both the Lennard-Jones potential and the embedded atom method potential. The burst and arrest of stacking faults hold the key for the plastic deformation of nanocrystalline Cu under nanoindentation, in clear contrast to the case of nanoindentation on single-crystal Cu. The following descending order of indentation resistance is found: single crystal (or polycrystal of large grain size), nanocrystal when indented on the grain interior, and nanocrystal indented on the GB.
Related Links	http://iopscience.iop.org/article/10.1088/0957-4484/14/11/009/pdf
Ending Page	1215
Page Count	8
Starting Page	1208
ISSN	09574484
e-ISSN	13616528
DOI	10.1088/0957-4484/14/11/009
Journal	Nanotechnology
Issue Number	11
Volume Number	14
Language	English
Publisher	IOP Publishing
Publisher Date	2003-10-07
Access Restriction	Open
Subject Keyword	Journal: Nanotechnology Metallurgy and Metallurgical Engineering Single Crystal Lennard Jones Plastic Deformation Deformation Mechanism Grain Size Grain Boundary
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Mechanics of Materials Mechanical Engineering Bioengineering Electrical and Electronic Engineering

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