# On the Pressure Dependence of Shear Strengths in Sliding, Boundary-Layer Friction

@article{Garvey2011OnTP,
title={On the Pressure Dependence of Shear Strengths in Sliding, Boundary-Layer Friction},
author={Michael Garvey and Michael Weinert and Wilfred T Tysoe},
journal={Tribology Letters},
year={2011},
volume={44},
pages={67-73}
}
Density functional theory, as implemented in a full-potential linearized augmented plane wave method, flair, is used to calculated the pressure-dependent shear strength S of KCl on a Fe(100) substrate and the results are compared to the experimental dependence given by $$S = S_{0} + \alpha P$$, where P is the contact pressure and S0 = 65 ± 5 MPa and α = 0.14 ± 0.02. Calculations were performed for a KCl bilayer enclosed between two Fe(100) slabs, where the energy was found to vary… CONTINUE READING

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