Conditions for Scuffing Failure of Ground and Superfinished Steel Disks at High Sliding Speeds Using a Gas Turbine Engine Oil

[+] Author and Article Information
M. J. Patching, C. C. Kweh, H. P. Evans, R. W. Snidle

School of Engineering, University of Wales College of Cardiff, Cardiff CF2 1TA, United Kingdom

J. Tribol 117(3), 482-489 (Jul 01, 1995) (8 pages) doi:10.1115/1.2831279 History: Received March 15, 1994; Revised July 18, 1994; Online January 24, 2008


This paper describes the results of an experimental investigation to compare the scuffing performance of conventionally ground and superfinished hardened steel disks operating at sliding speeds of up to 26 m/s and lubricated with a gas turbine engine oil at a temperature of 100° C. The ground disks were finished in the axial direction to simulate the orientation of surface finish found on involute gears. Superfinishing was found to give a significant increase in the load at which scuffing occurred. Frictional traction was also measured in the experiments and was found to be significantly lower for the superfinished disks in the loading stages preceding scuffing failure.

Copyright © 1995 by The American Society of Mechanical Engineers
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