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TECHNICAL PAPERS

Microcontact Model for Paper-Based Wet Friction Materials

[+] Author and Article Information
H. Gao, G. C. Barber

Department of Mechanical Engineering, Oakland University, Rochester, MI 48309

J. Tribol 124(2), 414-419 (Jun 12, 2001) (6 pages) doi:10.1115/1.1430674 History: Received December 08, 2000; Revised June 12, 2001
Copyright © 2002 by ASME
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References

Figures

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Mesh model of deformed asperity
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Typical surface topography of new wet friction material with Rsk=−0.36,σ=7.87 μm: (a) optical photograph; and (b) surface profile.
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Typical surface topography of glazed wet friction material with Rsk=−0.98,σ=3.15 μm: (a) optical photograph; and (b) surface profile.
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Schematic of relationship between film thickness and asperity height
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Contact area ratios of symmetric random topography Rsk=0,σ=6.0 μm
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Contact area ratios of positive skewness topography Rsk=1,σ=6.0 μm
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Contact area ratios of negative skewness topography Rsk=−1,σ=6.0 μm
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Comparison of contact area ratios for new, run-in and glazed wet friction materials: (a) Gaussian distribution; and (b) Weibull distribution.

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