Abstract
Parallel molecular dynamics simulations of nanoindentation followed by nanoscratching were conducted on an fcc silver (1 0 0) surface using a diamond indenter. The simulations were performed using three different orientations of the indenter. For each orientation, simulations were performed for an indentation depth of 5 Å and scratching length of 210 Å. The damage on the substrate is investigated and the coefficient of friction calculated for all the three cases. The results show few sub-surface defects underneath the scratch groove, pile-up around the groove which is orientation dependent and that the friction coefficient varies from ∼0.37 to ∼0.57 depending on the tip orientation.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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