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Crystallization mechanism of amorphous Ni65Cr16P19 metallic alloys

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Abstract

Two large exothermic reaction peaks at 658 and 690 K are observed in the differential scanning calorimetric (DSC) curve for the amorphous metallic alloy, Ni65Cr16P19. Extensive DSC and X-ray diffractometer measurements were carried out for pre-annealed samples, and it is concluded that the two peaks are due to crystallization of Ni and stable Ni3P phases, respectively. The expanded lattice constants of these phases can be explained by assuming that a small amount of Cr atoms were dissolved in these crystalline phases. As for the metastable Ni3P phase, confirmation of its presence by X-ray measurement could not be obtained. These results may be interpreted by considering that the metastable phase appears only in the thin film region of the sample.

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Authors and Affiliations

  1. Departments of Electronics, Miyazaki University, 1-1 Gakuenkibanadai, 889-21, Miyazaki, Japan

    Kouji Maeda, Tetsuo Ikari, Yoshito Akashi & Koji Futagami

  2. Applied Physics, Miyazaki University, 1-1 Gakuenkibanadai, 889-21, Miyazaki, Japan

    Yoshito Akashi

Authors
  1. Kouji Maeda
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  2. Tetsuo Ikari
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  3. Yoshito Akashi
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  4. Koji Futagami
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Maeda, K., Ikari, T., Akashi, Y. et al. Crystallization mechanism of amorphous Ni65Cr16P19 metallic alloys. JOURNAL OF MATERIALS SCIENCE 29, 1449–1454 (1994). https://doi.org/10.1007/BF00368908

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  • DOI: https://doi.org/10.1007/BF00368908

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