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TECHNICAL PAPERS

A Numerical Calculation of the Contact Area and Pressure of Real Surfaces in Sliding Wear

[+] Author and Article Information
Zhiqiang Liu, Anne Neville, R. L. Reuben

Department of Mechanical and Chemical Engineering, Heriot-Watt University, Edinburgh, EH14 4AS, UK

J. Tribol 123(1), 27-35 (Jun 08, 2000) (9 pages) doi:10.1115/1.1326441 History: Received November 09, 1999; Revised June 08, 2000
Copyright © 2001 by ASME
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References

Figures

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(a) Surface contact of single asperity and (b) mesh of pressure elements
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Friction and wear behavior in different sliding directions
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SEM micrograph of the wear track: (a) sliding direction parallel to grinding lay on plate and (b) sliding direction perpendicular to grinding lay on plate (sliding time=1 hour)
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(a) AFM image from which the surface topography in (b) is generated by computer
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Surface analysis of wear scar after one hour of wear (sliding direction parallel to grinding lay on plate specimen)
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Surface analysis of wear scar after two hours of wear (sliding direction parallel to grinding lay on plate specimen)
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Surface analysis of wear scar after four hours of wear (sliding direction parallel to grinding lay on plate specimen)
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Surface analysis of wear scar after one hour of wear (sliding direction perpendicular to grinding lay on plate specimen)
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Contact stress distribution characterized by the index β (parallel: sliding direction parallel to grinding lay on plate specimen; perpendicular: sliding direction perpendicular to grinding lay on plate specimen)

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