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Molecular Dynamics Simulations of Nanoindentation and Wear
 

Summary: Molecular Dynamics Simulations
of Nanoindentation and Wear
Hualiang Yu
Jun Zhong
James B. Adams
Acknowledgements
National Science Foundation
ALCOA
National Computational
Science Alliance
Our goal
I Investigate the atomic scale mechanisms of
deformation during indentation and wear.
indentation tip dragging asperity-asperity
F F F
Methodology
I Molecular Dynamics (MD): allows
simulation of motion of individual atoms;
F=ma F = -dU/dr
I Interatomic Potential:

  

Source: Adams, James B - Department of Chemical and Materials Engineering, Arizona State University

 

Collections: Materials Science