TY JOUR TI DEVELOPMENT COPPER PLATE FOR THE PISTON RINGS, THE MODIFIED NANOPARTICLES ELECTROEROSIVE OF COPPER KW copper nanopowders KW spark erosion dispersion KW plating KW wear cylinder engines KW microhardness KW burnpiston rings JO Alternative energy sources in the transport-technological complex: problems and prospects of rational use of AU Khoryakova, N.. AU Ageev, E.. PY 2015 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov