TY JOUR TI THE HIGH-FREQUENCY OSCILLATION DAMPING IN A POLYCRYSTALLINE SOLID BODY KW ultrasound KW fading KW tense deformation KW oscillations KW strength KW characteristics KW porosity KW dislocations JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Tolstopyatov, S.. AU Golovanova, E.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov