A Theory of Thermo-Elastohydrodynamic Lubrication of Liquid-Solid Lubricated Cylinders

[+] Author and Article Information
M. M. Khonsari, S. H. Wang

Mechanical Engineering Department, University of Pittsburgh, Pittsburgh, PA 15261

Y. L. Qi

Harbin Institute of Technology, People’s Republic of China

J. Tribol 112(2), 259-265 (Apr 01, 1990) (7 pages) doi:10.1115/1.2920251 History: Received February 27, 1989; Online June 05, 2008


The purpose of this research is to extend the theory of the concentrated thermo-elastohydrodynamic line contact to include the influence of the existence of solid lubricant dispersed in liquid-base lubricant. The combined effects of the rheological characteristics of the oil and the mechanical properties of the particles and those of the bounding surfaces are taken into consideration in theoretical development. Results are presented for the pressure distribution, the oil film thickness, the temperature rise, and the coefficient of friction for two commonly used solid lubricants namely MOS2 and graphite.

Copyright © 1990 by The American Society of Mechanical Engineers
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