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On stochastic models of solid-state reactions

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Abstract

The Avrami model of solid-state reactions or transformations has frequently been presented and compared with other stochastic models. The equation often applied is shown to be merely a simplification of the full Avrami model equation (FAME). A convenient procedure for application of the FAME to the kinetics of solid-state reactions is proposed.

Zusammenfassung

Das Avrami'sche Modell von Festkörperreaktionen wurde häufig dargestellt und mit anderen stochastischen Modellen verglichen. Hier wird gezeigt, dass die häufig verwendete Gleichung eine Vereinfachung der Vollständigen Avrami'schen Modellgleichung (FAME) darstellt. Die Anwendung der FAME auf die Kinetik von Festkörperreaktionen wird vorgeschlagen und eine geeignete Verfahrensweise empfohlen.

Резуме

Твердотельные реакц ии или превращения представлены модель ю Лврами, которая сопоставлена с други ми стохастическими м оделями. Показано, что часто ис пользуемое уравнени е Лврами является толь ко упрощенным вариан том полного уравнения модели Авр ами. Предложено применение такого ур авнения к кинетике тв ердотельных реакций, наряду с обыч ным методом его применен ия.

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Authors and Affiliations

  1. Regional Laboratory of Physicochemical Analysis and Structural Research, Jagiellonian University, Karasia 3, Pl-30-060, Crakow, Poland

    R. Dziembaj & J. Malczyk

Authors
  1. R. Dziembaj
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  2. J. Malczyk
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Dziembaj, R., Malczyk, J. On stochastic models of solid-state reactions. Journal of Thermal Analysis 33, 285–289 (1988). https://doi.org/10.1007/BF01914613

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  • DOI: https://doi.org/10.1007/BF01914613

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