Magnetic Properties of Amorphous Si-M(M=Fe or Co)Alloy Powder Produced by Mechanical Alloying

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著者

    • SADANO Hakaru
    • Department of Industrial Chemistry, Faculty of Engineering, Kinki University in Kyushyu
    • ARAKAWA Tsuyoshi
    • Department of Industrial Chemistry, Faculty of Engineering, Kinki University in Kyushyu

抄録

Crystalline powders of Si and M(Fe or Co) in the composition ratio varying from Si:M=1:2 to 2:1 were mechanically alloyed by laboratory ball milling in an inert atmosphere. The amorphization reaction between Si and M proceeded according to a second-order reaction. The reaction rate for a Si–Co system was faster than that for a Si–Fe system. Moreover, the thermal behavior of the amorphous SixM1-x powders synthesized by mechanical alloying has been studied by DTA, X-ray diffraction and measurement of saturation magnetization. The coercive force of milled Si–M powders was maximum at 60–80 mol% of Co-content for Si–Co systems and 70–90mol% Fe-content for Si–Fe systems, respectively. This value was larger than that of the corresponding mixture of crystalline powders. On the other hand, it was found that the coercive force of amorphous samples decreased abruptly at a temperature corresponding to the transformation from an amorphous state into a crystalline state began to occur.

収録刊行物

  • Materials transactions, JIM  

    Materials transactions, JIM 37(5), 1099-1102, 1996-05 

    The Japan Institute of Metals

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各種コード

  • NII論文ID(NAID)
    10002449436
  • NII書誌ID(NCID)
    AA10699969
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09161821
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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