Effects of Load, Speed, and Surface Roughness on Sliding EHD Contact Temperatures

[+] Author and Article Information
H. S. Nagaraj, D. M. Sanborn, W. O. Winer

Georgia Institute of Technology, School of Mechanical Engineering, Atlanta, Ga.

J. of Lubrication Tech 99(2), 254-261 (Apr 01, 1977) (8 pages) doi:10.1115/1.3453059 History: Received March 15, 1976; Revised June 14, 1976; Online October 20, 2010


An infrared technique has been used to determine the effects of load, speed and surface roughness on temperature in a sliding EHD point contact. Ball surface temperatures are reported for sliding speeds of 0.35 to 5.08 m/s at 0.52 to 2.03 GN/m2 maximum pressure with surface roughness in the range 0.01 to 0.38 μm c.1.a. The relationship between asperity interaction, as measured by relocation surface profilimetry and high frequency temperature measurements, and the ratio of film thickness to surface roughness has also been studied.

Copyright © 1977 by ASME
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