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    A new method to determine the elastopalstic properties of ductile materials by conical indentation

    185572_55891_Manu_Sci_China_G_12.pdf (766.1Kb)
    Access Status
    Open access
    Authors
    Ma, Z.
    Zhou, Y.
    Long, S.
    Lu, Chunsheng
    Date
    2012
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Ma, Zeng Sheng and Zhou, Yi Chun and Long, Shi Guo and Lu, Chunsheng. 2012. A new method to determine the elastopalstic properties of ductile materials by conical indentation. Science China: Physics, Mechanics & Astronomy. 55 (6): pp. 1032-1036.
    Source Title
    Science in China Series G: Physics Mechanics & Astronomy
    DOI
    10.1007/s11433-012-4728-3
    ISSN
    1674-7348
    School
    Department of Mechanical Engineering
    Remarks

    The final publication is available at http://www.springerlink.com

    URI
    http://hdl.handle.net/20.500.11937/17088
    Collection
    • Curtin Research Publications
    Abstract

    Based on load-displacement curves, indentation is widely used to extract the elastoplastic properties of materials. It is generally believed that such a measure is non-unique and a full stress-strain curve cannot be obtained using plural sharp and deep spherical indenters. In this paper we show that by introducing an additional dimensionless function of DA / A (the ratio of residual area to the area of an indenter profile) in the reverse analysis, the elastoplastic properties of several unknown materials that exhibit visually indistinguishable load-displacement curves can be uniquely determined with a sharp indentation.

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