The results of investigations on the development of compositions of ceramic bodies for obtaining effective heat-insulating materials and products are presented. The materials were obtained by pressing with the use of kaolin clays differing in plasticity as well as fire-resistance. A porous structure of the material was created by introducing a porous filler in the form of swollen hydromica, developed according to the ferruginous hydrophlogopite type, in an amount of 50 wt.%. The apparent density and the mechanical strength were investigated as functions of the press-pressure and shrinkage on firing. The use of expanded hydromica made it possible to obtain products with density up to 1000 kg/m3 while thermomechanical properties retention up to 1050°C.
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Translated from Steklo i Keramika, No. 2, pp. 9 – 18, February, 2023.
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Rumi, M.K., Urazaeva, E.M., Irmatova, S.K. et al. Sintering Characteristics and Thermal Properties of Porous Ceramic Based on Hydrophlogopite and Refractory Clays. Glass Ceram 80, 45–51 (2023). https://doi.org/10.1007/s10717-023-00555-z
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DOI: https://doi.org/10.1007/s10717-023-00555-z