Lubrication of a Melting Slider Under Nonisothermal Conditions

[+] Author and Article Information
V. Bicego

CESNEF, Politecnico di Milano

A. Figari

CISE SpA, Segrate, Milano

G. Poletti

Università degli Studi di Milano

J. of Lubrication Tech 103(3), 436-442 (Jul 01, 1981) (7 pages) doi:10.1115/1.3251706 History: Received December 10, 1979; Online November 17, 2009


A theoretical model is developed for a slider lubricated by its own surface melting. Heat for melting is assumed to be supplied both from viscous dissipation in the liquid film and by conduction from the track at a temperature higher than the melting temperature of the slider. The analysis allows prediction of film thickness and the friction coefficient. The overall behavior results to be clearly dependent on which of the two heat sources is prevailing. In particular, thermal conduction appears to be the cause for a generally much lower friction coefficient with respect to an isothermal case.

Copyright © 1981 by ASME
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