TY JOUR TI Failure analysis of shafts of marine vessels and methods of their elimination KW propeller shaft KW shaft KW defects KW plastic surface deformation KW crack elimination JO Operation of Maritime Transport AU Khudiakov, S.A. AU Palchik, C.B. AU Syusyuka, E.N. PY 2019 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”