TY JOUR TI METHODS OF CORROSION TESTING OF GALVANIC COATINGS KW electrochemistry KW corrosion testing KW corrosion testing KW coatings KW polarization JO Modern Technologies and Scientific and Technological Progress AU Istomina, A.A. AU Maklakova, M.V. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»