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Effects of pre-annealing or pre-cold-working treatments on the structural evolution of Fe78B13Si9 amorphous alloys

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Abstract

The effects of pre-annealing or pre-cold-working treatments on the structural modifications occurring during the heating of an Fe78B13Si9 amorphous alloy are reported. Structural relaxation and crystallization stages were investigated with the help of internal friction measurements, Mössbauer spectroscopy and transmission electron microscopy. It is shown that pre-annealing involves atomic reorganizations, the effects of which are more obvious on the relaxation stage than on the crystallization one. Moreover, pre-cold-working implies atomic disturbances which modify the structural relaxation as well as the crystallization stage. The results are explained on the basis of the atomic structure of the amorphous alloy, consisting of atoms clusters, the characteristics of which are responsible for the observed phenomena.

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Aboki, A.M., Bouquet, G. & Tronc, E. Effects of pre-annealing or pre-cold-working treatments on the structural evolution of Fe78B13Si9 amorphous alloys. J Mater Sci 26, 4166–4171 (1991). https://doi.org/10.1007/BF00553505

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Keywords

  • Polymer
  • Spectroscopy
  • Microscopy
  • Electron Microscopy
  • Crystallization