Formation of nanocrystalline phases during decomposition of amorphous Ni-P alloys by continuous linear heating

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Differential scanning calorimetry (DSC), powder diffraction and high-resolution X-ray diffraction (XRD), and transmission electron microscopy (TEM) investigations have been performed on melt-quenched amorphous Ni-P alloys with compositions of 18 to 22 at.% P. The calorimetric results revealed different crystallization routes during linear heating below, at and above the eutectic point (19 at.% P) but with the same general transformation scheme as reported previously for electrodeposited and electroless Ni-P amorphous alloys. The composition dependence of the activation energy of the crystallization and the heats evolved during the structural transformations were determined from DSC measurements. The average grain size was derived from XRD line broadening and important information on the crystallization products and their microstructure could be revealed also from the TEM studies. All these findings will have special significance when analysing the results of isothermal annealing experiments to be described in a forthcoming paper.

Original languageEnglish
Pages (from-to)483-488
Number of pages6
JournalZeitschrift fuer Metallkunde/Materials Research and Advanced Techniques
Issue number5
Publication statusPublished - May 1 2001



  • Amorphous Ni-P alloys
  • Decomposition of amorphous Ni-P alloys
  • Nanocrystalline phases

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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