High-Temperature SHS Heat Insulators Based on Pre-Activated Mineral Raw Materials
Sadykov B. Khairullina A. Artykbayeva A. Maten A. Zhapekova A. Osserov T. Bakkara A.
October 2024Multidisciplinary Digital Publishing Institute (MDPI)
Crystals
2024#14Issue 10
In this paper, the results of the technological combustion of SHS heat insulators based on mineral origins are presented. It is shown that after mechanochemical treatment of minerals—diatomite—the kinetic characteristics of the combustion process change, providing targeted formation of the phase composition, structure, and properties of the SHS composite. A positive effect of using various modifiers during the MCT of diatomite—the activation of the combustion process—was established. The selection of modifiers provides an increase in the strength of the synthesized SHS composites as a result of the formation of aluminate compounds in the synthesis products, and a decrease in thermal conductivity to 0.157 W/m*K due to the formation of the ultraporous structure of the samples.
aluminum , diatomite , heat insulators , mechanochemical treatment , modification , SHS
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The Institute of Combustion Problems, Almaty, 050012, Kazakhstan
Farabi University, Almaty, 050040, Kazakhstan
The Institute of Combustion Problems
Farabi University
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