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    STP1278

    Coating-Substrate Interface Stress Management in Wear Protection of Light Alloy Components

    Published: 01 January 1996


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    Abstract

    Hard coating light alloys for wear protection presents an interface stress problem due to mismatch in elastic constants across the film-substrate interface. The displacement formulation method is used in this work to calculate interface stresses as a function of contact parameters, coating/substrate properties, and coating thickness. Quantitative results obtained suggests that interface stresses can be managed with a judicious choice of coating materials, film thickness, contact parameters, and film deposition conditions.

    Keywords:

    surface coatings, surface treatments, wear testing, wear protection film-substrate interface, hard coatings


    Author Information:

    Ramalingam, S
    Professor and graduate research assistant, University of Minnesota, Minneapolis, MN

    Zheng, L
    Professor and graduate research assistant, University of Minnesota, Minneapolis, MN


    Committee/Subcommittee: G02.30

    DOI: 10.1520/STP16105S