Crystallization kinetics of gehlenite glass |
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| Authors: | A. Marotta A. Buri G. L. Valenti |
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| Affiliation: | (1) Istituto di Chimica, Facoltà d'Ingegneria, Università di Napoli, Italy;(2) Istituto di Chimica Applicata, Facoltà d'Ingegneria, Università di Napoli, Italy |
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| Abstract: | Isothermal and non-isothermal kinetics of gehlenite glass devitrification have been studied. A Johnson—Mehl—Avrami rate equation was assumed. The values of kinetic parameters obtained from XRD patterns and DTA curves are in a good agreement. The crystallization process is thought to proceed by a rod-like growth controlled by diffusion from a fixed number of nuclei. |
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