The Influence of Coating Thickness on the Relative Area of Tribounits Contact

Petr M. Ogar; V.A. Tarasov; D.B. Gorokhov

doi:10.4028/www.scientific.net/AMR.1061-1062.614

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1061-1062The Influence of Coating Thickness on the Relative...

The Influence of Coating Thickness on the Relative Area of Tribounits Contact

Abstract:

The contact of a rigid rough surface and an elastic layered half-space which consists of coating with thickness δ₁ and the substrate. To determine the dependence of the relative contact area on dimensionless the force elastic geometrical parameter , the discrete roughness model presented by microasperities in the form of equal spherical segments with the height distribution corresponding to the bearing profile curve of the real surface is used. By using the stiffness model of layered half-space, the elastic characteristics for every each contacting asperity are determined. The system of transcendental equations which allow to determine the dependence of the relative contact areaη₁ in case of contact through coating layer on the roughness parameters, material properties, coating thickness and applied load is given. The mutual influence of the microasperities is taken into account.

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Periodical:

Advanced Materials Research (Volumes 1061-1062)

Pages:

614-618

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1061-1062.614

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Online since:

December 2014

Authors:

Petr M. Ogar*, V.A. Tarasov, D.B. Gorokhov

Keywords:

Contact Characteristics, Layered Half-Space, Polymer Coating, Relative Contact Area, Thin-Layer Films

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References

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