On the Mechanism of Contact Between Metal Surfaces—The Penetrating Depth and the Average Clearance

[+] Author and Article Information
Tadasu Tsukizoe

Osaka City University, Osaka, Japan

Terumasa Hisakado

Department of Mechanical Engineering, Osaka City University, Osaka, Japan

J. Basic Eng 87(3), 666-672 (Sep 01, 1965) (7 pages) doi:10.1115/1.3650635 History: Received July 13, 1964; Online November 03, 2011


The analysis of the mechanism of air leakage through the interstices between metal surfaces in contact or of the mechanism of thermal resistance between them is dependent on the average clearance between opposite surfaces or on the distribution of the real contact area; i.e., the mechanism of contact. Assuming that the distribution curve obtained from the profile curve of the surface has a normal distribution, the relation between the applied load and the average clearance or the penetrating depth, i.e., the distance through which the one surface moves into the other surface, is obtained theoretically. A comparison of calculated values based on this theory with experimental data shows good agreement.

Copyright © 1965 by ASME
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