TY CONF TI STUDY OF POROSITY OF PLASMA COATINGS MADE OF SELF-FLUXING POWDERS AFTER THEIR MELTING BY PLASMATRON KW plasma coating KW self-fluxing powder KW porosity KW plasmatron JO Innovations in road transport AU Ivannikov, V.A. AU Buhtoyarov, V.N. AU Golev, A.D. AU Kruhmalev, S.N. PY 2022 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov