The Detection of Flash Temperatures in a Sliding Contact by the Method of Tribo-Induced Thermoluminescence

[+] Author and Article Information
S. Suzuki, F. E. Kennedy

Thayer School of Engineering, Dartmouth College, Hanover, NH 03755

J. Tribol 113(1), 120-127 (Jan 01, 1991) (8 pages) doi:10.1115/1.2920576 History: Received March 07, 1990; Revised July 19, 1990; Online June 05, 2008


A method is presented for measuring short duration flash temperatures in sliding contacts. The method uses a photomultiplier to collect photons emitted by a hot contact spot. The method was used to measure flash temperatures at the contact between a spherical sapphire slider and a rapidly moving thin film magnetic disk. It was found that temperature flashes of over 1000° C, lasting less than 2 μs, can occur at the sliding interface.

Copyright © 1991 by The American Society of Mechanical Engineers
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