TY JOUR TI MACHINERY QUALITY SUPPORT BASED ON IMPRUVEMENT OF METHODS AND MEANS FOR ESTIMATE OF TRIBO-TECHNICAL PARAMETERS OF MACHINERY FUNCTIONAL UNITS KW machinery quality KW friction units KW tribo-technical parameters KW wear processes KW test engineering KW life JO Bulletin of Bryansk state technical university AU Pilyushina, G.A. AU Pamfilov, E.A. AU Pyrikov, P.G. AU Kapustin, V.V. PY 2020 IS 2020 PB Bryansk State Technical University