An Experimental Study of Interfacial Friction-Hot Ring Compression

[+] Author and Article Information
F. Wang, J. G. Lenard

Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1

J. Eng. Mater. Technol 114(1), 13-18 (Jan 01, 1992) (6 pages) doi:10.1115/1.2904133 History: Received June 01, 1990; Revised May 05, 1991; Online April 29, 2008


Ring compression tests were conducted at constant true strain rates in the temperature range of 900–975°C. The constant friction shear factor, m, was determined using a calibration chart. Scaling was permitted during the experiments in which a glass based lubricant was also used. Frictional conditions were affected most by the rate of strain; increasing it led to lower values of m.

Copyright © 1992 by The American Society of Mechanical Engineers
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