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    Surface characteristics and removal mechanism of cemented tungsten carbides in nanoscratching

    Access Status
    Fulltext not available
    Authors
    Sun, H
    Irwan, R
    Huang, H
    Stachowiak, Gwidon
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Sun, H and Irwan, R and Huang, H and Stachowiak, G. 2010. Surface characteristics and removal mechanism of cemented tungsten carbides in nanoscratching. Wear. 268 (11-12): pp. 1400-1408.
    Source Title
    WEAR
    DOI
    10.1016/j.wear.2010.02.014
    ISSN
    0043-1648
    URI
    http://hdl.handle.net/20.500.11937/15527
    Collection
    • Curtin Research Publications
    Abstract

    The surface characteristics and removal mechanism of cemented tungsten carbide materials with different grain sizes in nanoscratching were investigated. The tests with different scratching patterns were used. The results showed that the fine-grain material exhibited different removal characteristics from the coarse-grain one. The roughness of the scratched surface on the fine-grain material was much smaller than that on the coarse-grain material. The removal rate of the coarse-grain material associated with the nanoscratching process was much greater than that of the fine-grain material. The microstructure of the two materials apparently affected their deformation and removal mechanisms involved in the nanoscratching, thus the surface roughness and the removal rate. The results obtained from the lapping experiment supported the findings from the nanoscratching test.

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