Mechanical properties of nanocrystalline HVOF coatings

Simo-Pekka Hannula, T. Fält, Erja Turunen, T. Manninen

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    Thermal spraying (TS) is increasingly used to deposit thick wear resistant coatings on machine and equipment parts. Therefore, it is of uttermost importance to know their mechanical properties in order to tailor and optimize the coatings for various applications. Typically properties of the thermal sprayed coatings are inferior as compared to corresponding bulk materials for various reasons. Furthermore, measurement of mechanical properties of coatings is much more tedious and difficult than deriving bulk properties. In this paper, mechanical properties of alumina based nanocrystalline coatings and the measurement techniques developed are reported. A model relating the microstructure of the sprayed coatings and their properties is introduced and discussed.
    Original languageEnglish
    Pages (from-to)114-117
    JournalMaterials Science Forum
    Volume510-511
    DOIs
    Publication statusPublished - 2006
    MoE publication typeA1 Journal article-refereed

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