TY JOUR TI PULSE MODULATION AS A WAY TO IMPROVE THE QUALITY OF PLASMA COATINGS KW pulse modulation KW plasma coatings KW coating properties JO Voronezh Scientific-Technical Bulletin AU Kadirmetov, A.M. AU Buhtoyarov, V.N. AU Popov, P.N. PY 2020 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov