Electrochemical Study of Sintered Aluminum-Based Materials and MAO Coatings on Their Surfaces

Savushkina, S.V.; Apelfeld, A.V.; Agureev, L.E.; Gerasimov, M.V.; Bogdashkina, N.L.; Ignatenko, V.E.

Авторы: Savushkina S.V., Apelfeld A.V., Agureev L.E., Gerasimov M.V., Bogdashkina N.L., Ignatenko V.E.
Журнал: Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques
Том: 15
Номер: 2
Год издания: 2021
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 285
Последняя страница: 291
Оригинальные версии: Электрохимические исследования спеченных материалов на основе алюминия и сформированных на их поверхности мдо-покрытий
Аннотация: —The electrochemical behavior of sintered materials from powder aluminum, its compositions with copper (1, 2, and 3%), and coatings on their surfaces formed by micro-arc oxidation (MAO), is studied in a 3% NaCl solution. The values of the anodic and cathodic current densities on the polarization dependences for compact aluminum samples are approximately 4 and 2 times lower compared to sintered powder aluminum, which, in turn, is less corrosive than aluminum-copper composites. MAO coatings lead to a decrease in anodic and cathodic currents, which indicates their positive effect on the corrosion resistance of these materials. Using scanning electron microscopy and X-ray phase analysis, the structure of aluminum-copper composites with MAO coatings after electrochemical studies is examined.
Добавил в систему: Игнатенко Василий Эдуардович

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Electrochemical Study of Sintered Aluminum-Based Materials and MAO Coatings on Their Surfacesстатья

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