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Carbidized heat insulation materials from kyanite ore

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Refractories and Industrial Ceramics Aims and scope

Heat insulation material is prepared with density 600 kg/m3, 76 % porosity, and thermal conductivity0.153 W/(m·K), based on highgrade kyanite ore that may be used as a structural material for aluminosilicate lining. Low density and thermal conductivity, high porosity for objects made from this material, compared with objects according to GOST 52803–2007 “Refractory heat insulation objects,” is achieved with introduction of elementary silicon and ammonium chloride into a charge based on kyanite ore granules, previously fired under reducing conditions.

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Authors and Affiliations

  1. Russian Academy of Sciences Establishment I. V. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Apatity, Murmansk region, Russia

    O. A. Belogurova & N. N. Grishin

Authors
  1. O. A. Belogurova
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  2. N. N. Grishin
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Translated from Novye Ogneupory, No. 1, pp. 31 – 35, January, 2012.

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Belogurova, O.A., Grishin, N.N. Carbidized heat insulation materials from kyanite ore. Refract Ind Ceram 53, 26–30 (2012). https://doi.org/10.1007/s11148-012-9456-8

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  • DOI: https://doi.org/10.1007/s11148-012-9456-8

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