TY JOUR TI Electro-technical treatment impact upon degree of hard coating removal from metal part surfaces KW electro-chemical treatment KW coating KW processing mode KW electrolyte JO Science intensive technologies in mechanical engineering AU Okhlupin, D.N. AU Sinev, I.V. AU Schwartzman, A.A. AU Korolev, A.V. PY 2019 IS 2019 PB Bryansk State Technical University