TY JOUR TI Method of optimizing the feed mill hammers´ durability´s improvement KW ddurability KW reliability KW feed mill hammer KW the angle of deflection JO Forestry Engineering Journal AU Petrov, A.. AU Stenovsky, V.. AU Belousova, N.. PY 2016 IS 6 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov