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RESEARCH PAPERS

Fractal Model Developed for Elliptic Elastic-Plastic Asperity Microcontacts of Rough Surfaces

[+] Author and Article Information
Jung Ching Chung, Jen Fin Lin

Department of Mechanical Engineering, National Cheng Kung University, Tainan City, Taiwan, 70101

J. Tribol 126(4), 646-654 (Nov 09, 2004) (9 pages) doi:10.1115/1.1792680 History: Received November 25, 2003; Revised April 29, 2004; Online November 09, 2004
Copyright © 2004 by ASME
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References

Figures

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Schematic diagram of two contact surfaces with deformations
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Geometry of an asperity with deformations
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Variations of the topothesy Ḡ with the fractal dimension D presented to compare the evaluations by the present model and the Majumdar-Bhushan model
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Comparisons of the results of the number of the spots larger than the area a in an apparent area of 1 mm2 predicted by the present model and the Majumdar-Bhushan model with the experimental results
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Results of the average contact pressure and the dimensionless total load predicted by the present model and the Yan-Komvopoulos model
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Variations of the dimensionless mean separation with the dimensionless total load presented to compare the evaluations by the present model and the Kogut-Etsion model
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Variations of the dimensionless real contact area with the dimensionless total load presented to compare the evaluations by the present model and the Kogut-Etsion model
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Variations of the dimensionless mean separation with the dimensionless contact load evaluated at three ellipticities
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Variations of the dimensionless real contact area with the dimensionless total load evaluated at three ellipticities

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