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TECHNICAL PAPERS

On the Frictional Heating in Single Summit Contacts: Towards Failure at Asperity Level in Lubricated Systems

[+] Author and Article Information
E. van der Heide

TNO Industrial Technology, PO Box 6235, 5600 HE, Eindhoven, The Netherlands

D. J. Schipper

University of Twente, PO Box 217, 7500 AE, Enschede, The Netherlands

J. Tribol 126(2), 275-280 (Apr 19, 2004) (6 pages) doi:10.1115/1.1645872 History: Received January 21, 2003; Revised July 10, 2003; Online April 19, 2004
Copyright © 2004 by ASME
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References

Figures

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Maximum local surface temperature rise as a function of the conductivity and of the Ra roughness (surface grinding, Rugotest 104) of the stationary surface
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Flash temperature as a function of the attack angle for the Ra=0.05 μm, ground surface. The calculations are made based upon the input given in Table 1.
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Flash temperature as a function of the attack angle for the Ra=0.8 μm, ground surface. The calculations are made based upon the input given in Table 1.
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Summit radius as a function of the attack angle for the surfaces with Ra=0.8 μm
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Summit radius as a function of the attack angle for the ground surfaces
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Multi-asperity contact between a rigid (tool) surface and a plastically deforming (sheet) surface
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Effect of the nondimensional conductivity and velocity on the nondimensional flash temperature (θ=0.55, fHK=0.6)
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Nondimensional flash temperature as a function of the attack angle, plotted for fHK-values: 0.4, 0.5, 0.6, and 0.7
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Wear mode as a function of the dimensionless shear strength fHK and the attack angle θ 10
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Sliding contact for a single summit

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