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Kinetics and products of crystallization of Fe84−xVxB16 amorphous alloys

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Abstract

Isothermic crystallization of a series of Fe84−xVxB16 (x = 0 to 8 at. % V) amorphous alloys was studied by the electrical resistivity, coercivity and57Fe Mössbauer spectroscopy methods. Two stages of the process were observed corresponding to the primary α-Fe(-V) formation by the growth-of-nuclei mechanism and the eutectic mixed borides — metal crystallization. Concentration dependences of kinetics parameters (Avrami exponent, activation energy) and the changes of electrical and magnetic properties were found and the influence of vanadium on the crystallization process is discussed.

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Authors and Affiliations

  1. Institute of Physical Metallurgy, Czechosl. Acad. Sci., Žižkova 22, 616 62, Brno, Czechoslovakia

    T. Zemčík, M. Jakešová & Y. Jirásková

Authors
  1. T. Zemčík
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  2. M. Jakešová
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  3. Y. Jirásková
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Additional information

Dedicated to Dr. Svatopluk Krupička on the occasion of his 65th birthday.

Thanks are due to Prof. L. Potocký, Šafárik University, Košice, for his kind providing the amorphous ribbons, and to Dr. J. Krejčí from the author's Institute for the EDAX analyses.

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Zemčík, T., Jakešová, M. & Jirásková, Y. Kinetics and products of crystallization of Fe84−xVxB16 amorphous alloys. Czech J Phys 37, 24–29 (1987). https://doi.org/10.1007/BF01597874

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  • DOI: https://doi.org/10.1007/BF01597874

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