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Modeling of phase transitions in three-phase polymorphic systems: Part I. Basic equations and example simulation

Published online by Cambridge University Press:  12 July 2011

Andrzej Ziabicki  and
Beata Misztal-Faraj
Andrzej Ziabicki*
Affiliation:
Institute of Fundamental Technological Research, Polish Academy of Sciences, 02-106 Warsaw, Poland
Beata Misztal-Faraj
Affiliation:
Institute of Fundamental Technological Research, Polish Academy of Sciences, 02-106 Warsaw, Poland
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Development of phase composition in one-component, three-phase systems containing a liquid phase (melt) and two polymorphic solids has been discussed. Two types of polymorphic systems have been analyzed: enantiotropic systems composed of three thermodynamically stable phases and monotropic systems with two stable and one metastable phase. Detailed relations between transition rates, molecular characteristics, and external conditions have been derived. Simulation of isothermal crystallization of a model system has been performed and discussed.

Keywords

KineticsNucleation and growthPhase transformation
Type
Articles
Information
Journal of Materials Research , Volume 26 , Issue 13 , 14 July 2011 , pp. 1585 - 1595
Copyright
Copyright © Materials Research Society 2011

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References

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