Effects of quenching rate on amorphous structures of Cu46Zr54 metallic glass

Jiangting Wang, Peter Damian Hodgson, Jingde Zhang, Wenyi Yan, Chunhui Yang

    Research output: Contribution to journalArticlepeer-review

    34 Citations (Scopus)

    Abstract

    Metallic glass shows some superior properties different from crystalline, but the nature of amorphous structure and structural change during glass transition have not been completely understood yet. Molecular dynamics simulation provides intuitive insight into the microstructure and properties at atomistic level. Before probing into the microstructures of metallic glass with molecular dynamics (MD) simulation, it is important to obtain amorphous state first. In the current work, we reproduce the process of manufacturing metallic glass in laboratory including the melting, equilibrating and quenching procedure with molecular dynamics simulations. The structure changing at melting point and glass transition temperature are investigated with the different cooling processing. The partial radial distribution function (PRDF) is applied as a criterion to judge the final amorphous state obtained considering the quenching at different cooling rates and the effects of cooling rate on the formation of amorphous structures are further discussed.
    Original languageEnglish
    Pages (from-to)4601-4606
    Number of pages6
    JournalJournal of Materials Processing Technology
    Volume209
    Issue number9
    DOIs
    Publication statusPublished - 2009

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