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Multiple-Approach Evaluation of WSP Coatings Adhesion/Cohesion Strength

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    0378714 - ÚFP 2013 RIV US eng C - Konferenční příspěvek (zahraniční konf.)
    Mušálek, Radek - Vilémová, Monika - Matějíček, Jiří - Pejchal, V.
    Multiple-Approach Evaluation of WSP Coatings Adhesion/Cohesion Strength.
    Thermal Spray 2012: Proceedings from the International Thermal Spray Conference and Exposition. Materials Park, Ohio: ASM International, 2012 - (Lima, R.; Agarwal, A.; Hyland, M.; Lau, Y.; Li, C.; McDonald, A.; Toma, F.), s. 746-751. ASM International. ISBN 978-1-62708-010-1.
    [International Thermal Spray Conference 2012 (ITSC 2012). Houston (US), 21.05.2012-24.05.2012]
    Grant CEP: GA MŠk ME 901
    Výzkumný záměr: CEZ:AV0Z20430508
    Klíčová slova: alumina * stainless steel * water stabilized plasma * adhesive strength * cohesion * adhesion testing
    Kód oboru RIV: JI - Kompozitní materiály
    http://www.asminternational.org/portal/site/www/store/ConferencePapers?topic=false&channelID=1603745137b47310VgnVCM100000621e010aRCRD&page=1

    Adhesion/cohesion testing represents one of the most common methods for benchmarking and optimization of thermal spray coatings. However, due to the inhomogeneous coating microstructure, such testing may be quite troublesome. In this study, adhesion/cohesion strength of representative metallic and ceramic coatings deposited by Water Stabilized Plasma (WSP) spraying was evaluated by different methods, namely Tensile Adhesion Test (TAT), newly utilized pin test and Tubular Coating Tensile (TCT) test. Combination of various methods enabled the evaluation of the splat bonding quality in different loading modes. Limitations and benefits of each method for testing of WSP coatings are demonstrated. Dominating failure micromechanisms were determined by supplementary fractographic analysis.
    Trvalý link: http://hdl.handle.net/11104/0210120
     
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