Nucleation kinetics: runaway nucleation

An analysis of the kinetic critical nucleus size and of 'runaway' nucleation by Nishioka and Maksimov is shown to be flawed and an accurate version of their model is presented. The concept of runaway nucleation is valid only when the thermodynamic critical nucleus size is very small, conta...

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Veröffentlicht in:	Materials science and technology 2002-12, Vol.18 (12), p.1435-1438
1. Verfasser:	Stowell, M. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Metals. Metallurgy Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics
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Beschreibung
Zusammenfassung:	An analysis of the kinetic critical nucleus size and of 'runaway' nucleation by Nishioka and Maksimov is shown to be flawed and an accurate version of their model is presented. The concept of runaway nucleation is valid only when the thermodynamic critical nucleus size is very small, containing only a few atoms/molecules, and in the regime where the capillarity model of a nucleus is highly suspect.
ISSN:	0267-0836 1743-2847
DOI:	10.1179/026708302225007781