Enhancing the corrosion resistance of oxide-ceramic composites by the cyclic anodic polarization technique

Авторы: Reshetnikov S.M., Tyukalov A.V., Gil’mutdinov F.Z., Kharanzhevskii E.B., Gazizyanova A.R., Shirobokova A.S., Chukavin A.I.
Журнал: International Journal of Corrosion and Scale Inhibition
Том: 13
Номер: 2
Год издания: 2024
Издательство: Некоммерческое партнерство коррозионистов "Вакор"
Местоположение издательства: Москва
Первая страница: 812
Последняя страница: 822
DOI: 10.17675/2305-6894-2024-13-2-9
Аннотация: The effect of cyclic electrochemical polarization on the corrosion properties of oxide-ceramic coatings consisting of transition metal oxides, boron carbide, and boron nitride was studied. The coatings were applied by laser melting of powder mixtures on the surface of low-carbon unalloyed steel using a fiber-optic laser. The resulting coatings feature enhanced tribological properties. The composition, surface condition, and resistance of samples to electrochemical corrosion were studied. Voltammetric curves were recorded in a neutral buffer solution. It was shown that the presence of boron nitride in the coating composition leads to depassivation of the steel surface. The conceptual possibility of enhancing the corrosion resistance of samples coated with B4C–BN–Bi2O3–MnO2 by cyclic polarization was shown.
Добавил в систему: Чукавин Андрей Игоревич

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