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    Crystallization kinetics of an Au-based metallic glass upon ultrafast heating and cooling

    Access Status
    Fulltext not available
    Authors
    Bai, F.
    Yao, J.
    Wang, Y.
    Pan, Jian
    Li, Yi
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Bai, F. and Yao, J. and Wang, Y. and Pan, J. and Li, Y. 2017. Crystallization kinetics of an Au-based metallic glass upon ultrafast heating and cooling. Scripta Materialia. 132: pp. 58-62.
    Source Title
    Scripta Materialia
    DOI
    10.1016/j.scriptamat.2017.02.001
    ISSN
    1359-6462
    School
    Fuels and Energy Technology Institute
    URI
    http://hdl.handle.net/20.500.11937/72945
    Collection
    • Curtin Research Publications
    Abstract

    © 2017 Acta Materialia Inc. The crystallization behavior of Au50Cu25.5Ag7.5Si17metallic glass during continuous heating/cooling and isothermal treatment is investigated by ultrafast calorimetry. The relationship between the transformation and the time/temperature scales of the alloy is established experimentally in a wide temperature range from glass transition temperature to the melting point. Temperature-dependent viscosity in the expanded supercooled liquid region is derived from the thermodynamic and kinetic analysis of the crystallization behavior of the metallic glass. The nucleation rate and growth velocity for crystallization of the supercooled liquid are analyzed by applying classical nucleation theory and diffusion-controlled growth theory.

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