Effect of Heat Treatment on the Structure and Properties of Composites Based on Expanded Vermiculite and Liquid Glass.

Autor:	Rumi, M. Kh., Urazaeva, E. M., Nurmatov, Sh. R., Irmatova, Sh. K., Zufarov, M. A., Mansurova, E. P., Faiziev, Sh. A.
Předmět:	SOLUBLE glass HEAT treatment VERMICULITE COMPOSITE structures PHLOGOPITE SCANNING electron microscopy
Zdroj:	Refractories & Industrial Ceramics; Nov2022, Vol. 63 Issue 4, p354-359, 6p
Abstrakt:	X-ray phase analysis, IR spectroscopy, and scanning electron microscopy were used to study compositions of expanded vermiculite (phlogopite) – kaolinite clay – liquid glass and their transformations in low-temperature (25 – 500°C) and high-temperature regions (1020°C). Phlogopite underwent a complex transformation up to the appearance of olivine and spinel phases and destruction of the kaolinite lattice. It was established that heat treatment at 500°C was necessary to make the composition resistant to atmospheric effects (water and CO2) and to achieve the optimal combination of basic physical and technical properties. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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