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TECHNICAL PAPERS

Combining and Contacting of Two Rough Surfaces with Asymmetric Distribution of Asperity Heights

[+] Author and Article Information
Ning Yu, Andreas A. Polycarpou

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA

J. Tribol 126(2), 225-232 (Apr 19, 2004) (8 pages) doi:10.1115/1.1614822 History: Received March 18, 2002; Revised July 29, 2003; Online April 19, 2004
Copyright © 2004 by ASME
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References

Figures

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Typical skewness and kurtosis values for various manufacturing processes (manufacturing process data points from Ref. 16)
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Contacting of two rough surfaces: (a) the contact of two rough surfaces; (b) the contact of an equivalent rough surface and a smooth plane
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Skewness values of the equivalent rough surface for different individual surface skewness combinations
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Contour plots of combined skewness values for contacting individual rough surfaces with different standard deviation ratios: (a) σ21=1; (b) σ21=1.5; (c) σ21=2; (d) σ21=5
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Normalized probability density functions of equivalent roughness case I using different methods
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Dimensionless asperity mean pressure, p* versus dimensionless load, P* for equivalent roughness case I
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Dimensionless asperity mean pressure, p* versus dimensionless load, P* for equivalent roughness case II
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Dimensionless asperity mean pressure, p* versus dimensionless load, P* for equivalent roughness case III

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