Formation and properties of P-free Pd-based metallic glasses with high glass-forming ability

Wei Zhang, Hai Guo, Yanhui Li, Yingmin Wang, Hao Wang, Mingwei Chen, Shinichi Yamaura

    研究成果: Article査読

    11 被引用数 (Scopus)

    抄録

    New P-free Pd-based bulk metallic glasses (BMGs) with high glass-forming ability (GFA) were synthesized in Pd-Si-Ag-Cu alloy system, based on a binary Pd83Si17 alloy. Combined addition of Ag and Cu greatly enhances the stability of supercooled liquid and GFA. The Pd-based BMGs have large supercooled liquid region of 66-77 K. The best GFA was obtained for Pd75Si15Ag3Cu7 alloy, and the glassy rods with diameters of up to 10 mm were fabricated by copper mold casting method without fluxing treatment. These BMGs also exhibit low viscosity of ∼2 × 107 Pa s in the supercooled liquid state, excellent thermoplastic formability, high compressive yield strength of ∼1626 MPa, and large plastic strain of ∼0.063.

    本文言語English
    ページ(範囲)310-313
    ページ数4
    ジャーナルJournal of Alloys and Compounds
    617
    DOI
    出版ステータスPublished - 2014 12月 25

    ASJC Scopus subject areas

    • 材料力学
    • 機械工学
    • 金属および合金
    • 材料化学

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