TY JOUR TI Strengthening and finishing of hard-to-reach technological flow channels of parts KW combined vibration and extrusion processing KW vibrator KW inter-blade channels KW granulated work environment KW strengthening of surfaces worked JO Science intensive technologies in mechanical engineering AU Nekrylov, A.M. AU Grymzin, A.Y. AU Podgornov, S.N. AU Sokolnikov, V.N. AU Suhochev, G.A. PY 2020 IS 2020 PB Bryansk State Technical University