TY JOUR TI THE EFFECT OF ORGANIC ADDITIVES ON THE PHYSICAL AND MECHANICAL PROPERTIES OF NICKEL COATINGS KW organic additives KW sulfate electrolyte nickel plating KW microhardness KW porosity KW gloss JO Bulletin of the Angarsk State Technical University AU Sosnovskaya, N.G. AU Korchevin, N.A. AU Istomina, A.A. PY 2024 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»