TY JOUR TI PHYSICO-MECHANICAL AND THERMOPHYSICAL PROPERTIES OF FOAM- GLASS CERAMICS BASED ON SILICA ROCK KW foam glass ceramics KW thermal insulation material KW silica rock KW strength KW density KW thermal conductivity JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Erofeev, V.T. AU Rodin, A.I. AU Kravchuk, A.S. AU Ermakov, A.A. PY 2019 IS 4 PB Belgorod State Technological University named after V.G. Shukhov