Crystallization Kinetics of Ti_<50>Ni_<25>Cu_<25> Melt-Spun Amorphous Ribbons

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The Avrami exponent <I>n</I> of Ti<SUB>50</SUB>Ni<SUB>25</SUB>Cu<SUB>25</SUB> amorphous ribbons during isothermal annealing derived from the Johnson-Mehl-Avrami equation is about 3.0 and shows good agreement with that obtained by Schloßmacher <I>et al.</I> This indicates that the main crystallization mechanism of Ti<SUB>50</SUB>Ni<SUB>25</SUB>Cu<SUB>25</SUB> ribbons is interface-controlled three-dimensional isotropic growth with early nucleation-site saturation. According to the Arrhenius relation, the activation energy for crystallization is 314 kJ/mol. This value is similar to that obtained using the Kissinger method, which implies that the crystallization during continuous heating or isothermal annealing follows a similar crystallization mechanism.

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  • Materials transactions  

    Materials transactions 47(10), 2489-2492, 2006-10-20 

    The Japan Institute of Metals and Materials

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各種コード

  • NII論文ID(NAID)
    10018310160
  • NII書誌ID(NCID)
    AA1151294X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13459678
  • NDL 記事登録ID
    8091655
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z53-J286
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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