TY JOUR TI MODES ANALYSIS OF HEAT TREATMENT OF HARD ALLOYS DURABILITY KW durability KW hard alloy KW heat treatment KW drawing machines JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Marusich, K.V. AU Shabaev Maksim Miratovich, M.M. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov