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TECHNICAL PAPERS

Influence of a Hard Surface Layer on the Limit of Elastic Contact—Part II: Analysis Using a Modified GW Model

[+] Author and Article Information
Takashi Nogi

Basic Technology Research and Development Center, NSK Ltd., Kugenuma-shinmei 1-5-50, Fujisawa, 251-8501, Japan

Takahisa Kato

Data Storage Mechanics Laboratory, Mechanics Systems Engineering, National Institute of Advanced Industrial Science and Technology, Namiki 1-2, Tsukuba, 305-8564, Japan

J. Tribol 124(4), 785-793 (Sep 24, 2002) (9 pages) doi:10.1115/1.1482117 History: Received July 05, 2001; Revised March 20, 2002; Online September 24, 2002
Copyright © 2002 by ASME
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References

Figures

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Schematic of contact between a rigid rough surface and an elastic layered halfspace
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Schematic of contact between a rigid spherical asperity and an elastic layered halfspace
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Dimensionless von Mises stress field, E1/E2=2 and v1=v2=0.3
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Correction factors for the contact area, load and the maximum von Mises stress, v1=0.3
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Correction factors for the contact area, load and the maximum von Mises stress, v1=0.25
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Calculation of the critical value of h/aH for the onset of plastic yield
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Ratio of plastic contact area to real contact area versus layer thickness, surface #1
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Ratio of plastic contact area to real contact area versus layer thickness, surface #2
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Ratio of plastic contact area to real contact area versus layer thickness, surface #3
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Criterion for realizing the layered surface equivalent to bulk of the layer material, v1=0.3
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Criterion for realizing the layered surface equivalent to bulk of the layer material, v1=0.25

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