Affiliation:
1. Leibniz Institute for New Materials
Abstract
Scratches on KBr(100) surfaces were produced and examined with an atomic force
microscope (AFM) operated in an ultra-high vacuum (UHV) environment. Scratches with lengths
on the order of 100s of nanometers and depths on the order of atomic layers were investigated.
Non-contact AFM topographic images of scratches revealed screw and edge dislocation activity
around the scratch sites, illuminating the role of plastic deformation in wear processes. Friction
coefficients of approximately 0.3 were measured during scratching, more comparable to
macroscopic friction experiments than those measured in low-load, single asperity experiments.
Publisher
Trans Tech Publications Ltd
Cited by
2 articles.
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