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  • Formation of amorphous phas...
    Nagase, Takeshi; Suzuki, Masanori; Tanaka, Toshihiro

    Journal of alloys and compounds, 01/2015, Volume: 619
    Journal Article

    Display omitted •Amorphous phase formation was confirmed in Fe–Cu–Nb–B immiscible alloys.•Fe-based amorphous phase with emulsion type structure was obtained.•A prediction method for Fe–Cu-based immiscible alloys with an amorphous phase formation was suggested. The microstructure of arc-melted ingots and rapidly solidified melt-spun ribbons of quaternary Fe–Cu–Nb–B immiscible alloys was investigated, with a focus on amorphous-phase formation and solidification structure. A continuous melt-spun ribbon with an Fe–Nb–B-based amorphous matrix and 10–100nm diameter fcc-Cu crystalline globules was obtained for the (Fe0.75Nb0.10B0.15)80Cu20 alloy.