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TECHNICAL PAPERS

A Micro-Contact Model for Boundary Lubrication With Lubricant/Surface Physiochemistry

[+] Author and Article Information
H. Zhang, L. Chang

Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, University Park, PA 16802

M. N. Webster, A. Jackson

Corporate Strategic Research, ExxonMobil Research and Engineering Company, Annandale, NJ 08801

J. Tribol 125(1), 8-15 (Dec 31, 2002) (8 pages) doi:10.1115/1.1481365 History: Received September 18, 2001; Revised February 20, 2002; Online December 31, 2002
Copyright © 2002 by ASME
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References

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Edwards,  C. M., and Halling,  J., 1968, “An Analysis of the Plastic Interaction of Surface Asperities and its Relevance to the Value of the Coefficient,” J. Mech. Eng. Sci., 10, pp. 101–110.
Edwards,  C. M., and Halling,  J., 1968, “Experimental Study of Plastic Interaction of Model Surface Asperities During Sliding,” J. Mech. Eng. Sci., 10, pp. 121–133.
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Carslaw, A. S., and Jaeger, J. C., 1959, Conduction of Heat in Solids, 2nd Edition, Oxford Univ. Press, Clarendon.
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Denis, J., Briant J., and Hipeaux, J.-C., 2000, Lubricant Properties Analysis & Testing, Editions Technip, Paris.
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Zhao,  Y., Maietta,  D., and Chang,  L., 2000, “An Asperity Micro-Contact Model Incorporating the Transition from Elastic Deformation to Fully Plastic Flow,” ASME J. Tribol., 122, pp. 86–93.

Figures

Grahic Jump Location
Time history of micro-contact variables of the sample problem (a) contact probabilities, (b) shear stress and contact pressure, (c) contact temperature rise
Grahic Jump Location
Effects of the adsorption heat on the minimum pressure causing micro-contact plastic flow
Grahic Jump Location
Effects of the lubricant/surface reactivity and surface hardness on the minimum pressure causing micro-contact plastic flow

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