The results of investigations of the preparation of electrical porcelain based on available customary raw materials of Uzbekistan are presented. It is shown that in conditions of a shortage of high-grade mineral raw materials for the preparation of electrical porcelain it is advisable to introduce about half of the kaolin in a pre-calcined state into the mixture. In addition the products of firing primary and secondary Angrenskoe kaolins at 1350°C allow us to consider them as a mullite-containing component that subsequently imparts high physicomechanical and dielectric properties to the porcelain material. The phase composition of the resulting porcelain is represented mainly by new crystalline components — mullite and cristobalite, which allows it to be classified as an electric porcelain of the mullite-type.
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Translated from Steklo i Keramika, No. 8, pp. 48 – 55, August, 2023.
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Shamuratova, S.M., Alimdjanova, D.I. & Matkarimov, Z.T. Electroporcelain Based on Raw Materials of Uzbekistan. Glass Ceram 80, 337–341 (2023). https://doi.org/10.1007/s10717-023-00610-9
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DOI: https://doi.org/10.1007/s10717-023-00610-9