TY JOUR TI CORUNDUM LIGHT-WEIGHT REFRACTORIES BASED ON HYDRAULIC BINDERS KW refractories KW heat-insulating materials KW corundum KW alumina KW high-alumina cement JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Varenikova, T.A. AU Smirnova, M.A. AU Doroganov, V.A. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov