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TECHNICAL PAPERS

An Asperity Microcontact Model Incorporating the Transition From Elastic Deformation to Fully Plastic Flow

[+] Author and Article Information
Yongwu Zhao, David M. Maietta, L. Chang

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

J. Tribol. 122(1), 86-93 (May 19, 1999) (8 pages) doi:10.1115/1.555332 History: Received February 01, 1999; Revised May 19, 1999
Copyright © 2000 by ASME
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References

Figures

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Contact of an asperity with a rigid smooth flat
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Relation between the real area of contact and interference in the elastoplastic transitional regime
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Area of elastoplastic asperity contacts as a function of load and plasticity index
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Mean separation of the surfaces as a function of load and plasticity index (a) ψ=0.7, (b) ψ=1.5, (c) ψ=2.5
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Real area of contact of the surfaces as a function of load and plasticity index (a) ψ=0.7, (b) ψ=1.5, (c) ψ=2.5

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