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TECHNICAL PAPERS

A Semi-Analytical Solution for the Sliding Inception of a Spherical Contact

[+] Author and Article Information
Lior Kogut, Izhak Etsion

Dept. of Mechanical Engineering, Technion, Haifa 32000, Israel

J. Tribol 125(3), 499-506 (Jun 19, 2003) (8 pages) doi:10.1115/1.1538190 History: Received May 16, 2002; Revised September 12, 2002; Online June 19, 2003
Copyright © 2003 by ASME
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References

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Figures

Grahic Jump Location
The contact of a deformable sphere and a rigid flat under combined loading
Grahic Jump Location
Elastic and Plastic zones in a sphere under combined loading for ω/ωc>1: (a) plastic region just reaching the contact interface; and (b) plastic region at sliding inception.
Grahic Jump Location
Dimensionless maximum shear stress, τxz*/Y, as function of the dimensionless radial location, r/a, in the elastic regime
Grahic Jump Location
Static friction coefficient, μ, as function of the dimensionless interference, ω/ωc, in the elastic regime
Grahic Jump Location
Dimensionless maximum shear stress, τxz*/Y, as function of the dimensionless radial location, r/a, in the elastic-plastic regime
Grahic Jump Location
Static friction coefficient, μ, as function of the dimensionless interference, ω/ωc, in the elastic-plastic regime
Grahic Jump Location
Static friction coefficient, μ, and dimensionless force Q*/Pc versus the dimensionless contact load, P/Pc, in the elastic and elastic-plastic regimes
Grahic Jump Location
Dimensionless shear stress, τxz/Y, as function of the dimensionless radial location, r/a, in the elastic-plastic regime

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