The particulars of a technology for new types of refractory and heat-insulation materials with high porosity, which are obtained by duplicating the cellular structure of the polymer base (polyurethane foam) and using pore-forming technology based on “cold” swelling of inorganic compositions, are examined. The use of electrocorundum, periclase, spinel, and zirconium dioxide as a base permits using such materials from 1750 to 2200°C. In a number of cases the heat-insulation materials which have been developed can successfully replace corundum fiber materials.
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V. S. Vladimirov, A. N. Galagan, M. A. Ilyukhin, et al., “New refractories and heat-insulating materials and their production technologies,” Novye Ogneupory, No. 1, 81 – 88 (2002).
M. V. Artamonov, V. S. Vladimirov, S. E. Moizis, et al., “Use of new refractories and heat-insulating materials with high application properties,” Novye Ogneupory, No. 9, 28 – 29 (2006).
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Translated from Steklo i Keramika, No. 4, pp. 14 – 21, April, 2011.
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Vladimirov, V.S., Lukin, E.S., Popova, N.A. et al. New types of light-weight refractory and heat-insulation materials for long-term use at extremely high temperatures. Glass Ceram 68, 116 (2011). https://doi.org/10.1007/s10717-011-9335-7
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DOI: https://doi.org/10.1007/s10717-011-9335-7