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Influence of rare earths on the crystallization process in Finemet

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Abstract

Nb has been replaced by Pr, Nd or Gd in the Fe73.5Cu1Nb3Si13.5B9 alloy. Differential scanning calorimetry and structural analysis by means of X-ray diffraction and Mössbauer spectrometry have shown that the crystallization process is very similar in Pr and Nd containing samples regarding the crystallization steps, the evolution of crystalline volume fraction with annealing temperature and the kinetic parameters. Pr and Nd probably enter the crystalline grains, while Gd remains in the amorphous matrix. Annealing at moderate temperature causes structural relaxation accompanied by spin rotation in the amorphous Gd containing ribbon.

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Authors and Affiliations

  1. Department of Experimental Physics, Faculty of Science, P. J. Šafárik University, Park Angelinum 9, 041 54, Košice, Slovakia

    A. Zorkovská & P. Sovák

  2. Groupe de Physique de Matériaux, Faculté des Sciences, Université de Rouen, 76821, Mont-Saint-Aignan Cedex, France

    J. M. Le Breton

  3. Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, 043 53, Košice, Slovakia

    M. Kašiarová

Authors
  1. A. Zorkovská
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  2. P. Sovák
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  3. J. M. Le Breton
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  4. M. Kašiarová
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Zorkovská, A., Sovák, P., Le Breton, J.M. et al. Influence of rare earths on the crystallization process in Finemet. Czech J Phys 52 (Suppl 1), A137–A140 (2002). https://doi.org/10.1007/s10582-002-0032-1

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  • DOI: https://doi.org/10.1007/s10582-002-0032-1

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