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

被引：0
|
作者：
Rumi, M. Kh. [1 ]
Urazaeva, E. M. [1 ]
Nurmatov, Sh. R. [1 ]
Irmatova, Sh. K. [1 ]
Zufarov, M. A. [1 ]
Mansurova, E. P. [1 ]
Faiziev, Sh. A. [1 ]
机构：
[1] Acad Sci Uzbek, Inst Mat Sci, SPA Phys Sun, Tashkent, Uzbekistan
来源：
REFRACTORIES AND INDUSTRIAL CERAMICS | 2022年 / 63卷 / 04期
关键词：
phlogopite; expanded vermiculite; liquid glass; kaolin; heat treatment; elemental composition; SPECTROSCOPY;
D O I：
10.1007/s11148-023-00735-y
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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 & DEG;C) and high-temperature regions (1020 & DEG;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 & DEG;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.
引用
收藏
页码：354 / 359
页数：6
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