TY JOUR TI STUDYING THE POSSIBILITY OF USING COLEMANIT TO OBTAIN ENAMELS ON STEEL KW enamels KW coating KW colemanite KW slip KW firing KW frit JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Bondarenko, N.I. AU Pavlenko, Z.V. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov