Abstract

DTA, TGA, and DTG methods were applied at different heating rates to comparative study of thermal parameters of nanocrystalline Al2SiO5particles. Hydroxyl groups on the surface of the nanoparticles and the process of their release under the influence of temperature were explained by the corresponding DSC spectra. Simultaneously, the size and composition of the nanoparticles were measured by HRTEM imaging and EDX analysis. Possible andalusite − sillimanitetransitionofAl2SiO5modifications, andamorphization processes under the influence of temperaturewere investigated by the DTA approach. Around 850 K “triple point” of Al2SiO5modifications was analyzed by the DSC spectroscopy.

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