TY JOUR TI EVALUATION OF COATINGS TENDENCY TO THE PORES AND NON-METAL INCLUSIONS FORMATION IN A WELD KW porosity KW non-metallic inclusions KW high-temperature degradation KW organosilicate coatings KW shop-primers KW zinc-filled coatings JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Zhabrev, L.A. AU Chuppina, S.V. AU Shamshurin, A.I. AU Lebedeva, E.A. AU Panchenko, O.V. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov