TY JOUR TI Complex restoration of operation surfaces in large-sized products operated under conditions of chemical-biological and abrasive environment KW repair KW restoration KW strengthening KW large-sized product KW auger shaft KW chemical-biological environment KW abrasive wear JO Science intensive technologies in mechanical engineering AU Vityaz, P.A. AU Kheyfets, M.L. AU Gretsky, N.L. AU Hil'ko, D.N. PY 2020 IS 2020 PB Bryansk State Technical University