Crystallization of rapidly heated amorphous solids

Vitaly A. Shneidman, Michael C. Weinberg

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25 Scopus citations


Traditional theoretical approaches to the description of a non-isothermal phase transformation view its initial stage -nucleation - as a quasi-steady-state (QSS) process. These approaches are approximate, however, and may fail completely even for quite moderate heating (cooling) rates due to very large internal relaxation times of the amorphous state. A simple way to adjust the QSS approximation to account for strong time-dependent nucleation effects during rapid heating of amorphous solids with no quenched in nuclei is proposed. In combination with the approximate expression for the growth of nucleated particles, this leads to explicit closed formulas for the rate of phase transformation and the volume fraction transformed. Results are tested by comparison with numerical solutions of the time-dependent Becker-Döring nucleation equation, and it is demonstrated that the present method provides highly accurate corrections to the QSS approximation.

Original languageEnglish (US)
Pages (from-to)145-154
Number of pages10
JournalJournal of Non-Crystalline Solids
Issue number1-2
StatePublished - Jan 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry


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