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    Characterization on the yield stress and interfacial coefficient of friction of glasses from scratch tests

    Access Status
    Fulltext not available
    Authors
    Liu, H.T.
    Zhao, M.H.
    Lu, Chunsheng
    Zhang, J.W.
    Date
    2020
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Liu, H.T. and Zhao, M.H. and Lu, C. and Zhang, J.W. 2020. Characterization on the yield stress and interfacial coefficient of friction of glasses from scratch tests. Ceramics International. 46 (5): pp. 6060-6066.
    Source Title
    Ceramics International
    DOI
    10.1016/j.ceramint.2019.11.065
    ISSN
    0272-8842
    Faculty
    Faculty of Science and Engineering
    School
    School of Civil and Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/78292
    Collection
    • Curtin Research Publications
    Abstract

    Based on dimensional analysis and finite element simulation, a new method is proposed to characterize the yield stress and interfacial coefficient of friction of materials by scratching with a Vickers indenter. Two simple equations are obtained: one is for determining the interfacial coefficient of friction between the scratched material and scratch tip via the ratio of tangential to normal force, and the other is for calculating the yield stress of scratched material with the groove width and normal force. In a case study, the method is applied to soda-lime and borosilicate glasses. It is shown that the measured results of yield stress and interfacial coefficient of friction between glasses and a diamond tip are consistent with that obtained by other methods, with a high accuracy. The quick and accurate determination of yield stress and interfacial friction coefficient provides important information for the design and processing of glass products.

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