Annealing of Amorphous Sm<SUB>5</SUB>Fe<SUB>17</SUB> Melt-Spun Ribbon

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  • Saito Tetsuji
    Department of Mechanical Science and Engineering, Chiba Institute of Technology

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  • Annealing of amorpous Sm5Fe17 melt-spun ribbon

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Abstract

An amorphous Sm5Fe17 melt-spun ribbon was annealed under various conditions to obtain the metastable Sm5Fe17 phase. The Sm5Fe17 phase could be obtained by annealing at temperatures between 873 K and 973 K for 0.1–1 h. However, the annealed specimens contained other phases such as the SmFe2 and SmFe3 phases depending on the annealing conditions. It was found that the specimen annealed at 873 K for 1 h consisted mostly of the Sm5Fe17 phase. The Sm5Fe17 phase could also be obtained by annealing the amorphous Sm5Fe17 melt-spun ribbon at 1073 K for 0.1 h or 0.3 h, but annealing at that temperature for 1 h resulted in decomposition of the metastable Sm5Fe17 phase and formed the equilibrium Sm2Fe17 and SmFe3 phases.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 49 (6), 1446-1450, 2008

    The Japan Institute of Metals and Materials

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