TY JOUR TI THE COATING INFLUENCE OF PARTS MADE OF NON-FERROUS METALS AND ALLOYS ON THEIR WEAR RESISTANCE KW coating KW treatment KW planning KW experiment KW wear resistance KW parts KW nonferrous metala and alloys JO Bulletin of Bryansk state technical university AU Scriabin, V.A. PY 2021 IS 2021 PB Bryansk State Technical University