Nucleation kinetics of sodium disilicate

L. C. Klein, C. A. Handwerker, Donald R Uhlmann

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Abstract

The kinetics of crystal nucleation in Na2O · 2SiO2 have been determined over the range of undercoolings between 173 and 373°C. The plot of log(Ivn{long right leg}) versus 1 ΔT2rT3r is a straight line of negative slope over some 13 orders of magnitude in Iv. The slope of this relation indicates a nucleation barrier of about 45 kT at ΔTr = 0.2, and the intercept at 1 ΔT2rT3r = 0 is 1026 cm-3 sec-1. poise. The results are in good agreement with predictions of the theory of homogeneous nucleation, even in the pre-exponential factor.

Original languageEnglish (US)
Pages (from-to)47-51
Number of pages5
JournalJournal of Crystal Growth
Volume42
Issue numberC
DOIs
StatePublished - 1977
Externally publishedYes

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ASJC Scopus subject areas

  • Condensed Matter Physics

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