Formation of Steady Dimples in Point TEHL Contacts

[+] Author and Article Information
P. Yang, S. Qu

Department of Mechanical Engineering, Qingdao Institute of Architecture and Engineering, Qingdao, 266033, People’s Republic of China

M. Kaneta, H. Nishikawa

Department of Mechanical and Control Engineering, Kyushu Institute of Technology, Kitakyushu 804-8550, Japan

J. Tribol 123(1), 42-49 (Oct 10, 2000) (8 pages) doi:10.1115/1.1332399 History: Received May 01, 2000; Revised October 10, 2000
Copyright © 2001 by ASME
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Schematic diagram of the experimental apparatus
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Geometry of the spherical steel roller
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Interferograms and film profiles obtained experimentally, pmax=0.34 GPa,Rx=11.07 mm,G=6330,W=2.73×10−6
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Film thickness contours and film profiles obtained theoretically, pmax=0.4 GPa,Rx=20 mm,G=3978,W=4.35×10−6
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Distributions of the dimensionless pressure, film thickness and temperature on solid surfaces, pmax=0.40 GPa,U=6×10−11,Rx=20 mm,G=3978,W=4.35×10−6,L=13.2,M=120: (a) surface of P; (b) surface of H (×105); (c) temperature on roller surface; and (d) temperature on disk surface.
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A simple model of temperature-viscosity wedge
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Numerical results for a circular contact under opposite sliding conditions, pmax=0.45 GPa,U=6×10−11,R=20 mm,G=3978,W=1.176×10−6,L=13.2,M=32.4




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