Comparative studies are provided for the properties of compacted and cast specimens of fine-grained ceramic concrete prepared on the basis of a mixed HCBS and two varieties of refractory filler with different Al2O3content from bauxite and chamotte based on Arkalyk clay. For specimens containing a chamotte filler, after firing at above 1250°C there is typically significant linear growth (up to 2.5%), connected with secondary mullite formation and caused by interphase reaction of SiO2 from filler grains and very fine Al2O3 of the matrix system. The correlation of matrix system properties and materials with a refractory filler is analyzed
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Translated from Novye Ogneupory, No. 10, pp. 21 – 29, October 2010.
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Pivinskii, Y.E., Dyakin, P.V. Aluminosilicate refractories based on high-alumina HCBS. Part 1. Refractories based on mixed HCBS in the system bauxite — silica. Refract Ind Ceram 51, 358–365 (2011). https://doi.org/10.1007/s11148-011-9325-x
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DOI: https://doi.org/10.1007/s11148-011-9325-x