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Abstract
The activation energy for crystal growth and the reaction mechanisms in LCAS glass crystallization have been studied. Uniform crystallization of the glass was found to result from two stage heating process. The isothermal and non‐isothermal kinetics of crystallization of |3‐spodumene from the LCAS glass system was investigated using guantitative X‐ray diffraction (XRD) analysis and differential thermal analysis (DTA). The temperature dependence of the crystallization rate was analyzed with a modified John‐son‐Mehl‐Avrami (JMA) equation. The values of isothermal and non‐isothermal kinetic parameters obtained from XRD patterns and DTA curves were in good agreement. The crystallization process was proceeded by rod‐like growth and controlled by diffusion from a fixed number of nuclei.
Notes
Correspondence addressee