TY JOUR TI Justification of the choice of antifriction materials for friction units of technological equipment of harvesting machines KW friction KW wear KW wear resistance KW hinged joints KW manipulators KW grease KW lubricants KW self-lubricating materials KW antifriction materials KW plastics JO Forestry Engineering Journal AU Serebryanskiy, A.I. AU Abramov, V.V. AU Kanishchev, D.A. PY 2014 IS 4 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov