Melt Friction and Pin-on-Disk Devices

[+] Author and Article Information
A. Kent Stiffler

Department of Mechanical and Nuclear Engineering, Mississippi State University, Mississippi State, MS 39762

J. Tribol 108(1), 105-108 (Jan 01, 1986) (4 pages) doi:10.1115/1.3261128 History: Received May 14, 1984; Online October 29, 2009


A melt concept is proposed to explain the tribology of unlubricated metal pin-on-disk sliding at high speeds. A squeeze film model of the melt film is developed which depends on the continually forming melt to give steady-state load support. Expressions are derived for the film thickness, coefficient of friction, and wear. The theory is applied to pin-on-disk data available in the literature. There is good agreement between theory and experiment for the friction coefficient. The results for wear are inconclusive. A significant factor affecting the findings is surface roughness.

Copyright © 1986 by ASME
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