TY JOUR TI INFLUENCE OF THE NANO-POWDER OF ALUMINUM OXIDE ON THE PROPERTIES OF EPOXY COMPOSITE MATERIALS KW nanopowder KW aluminum oxide KW epoxy polymer KW physico-mechanical KW tribological KW adhesive properties JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kochergin, Y.S. AU Zolotareva, V.V. AU Grigorenko, T.I. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov