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Название:	Surface and corrosion properties of AA6063-T5 aluminum alloy in molybdate-containing sodium chloride solutions
Авторы:	Kharitonov, Dmitry S. Dobrydena, Illia Sefer, Birhan Ryl, Jacek Wrzesińska, Angelika Makarova, Irina V. Bobowska, Izabela Kurilo, Irina I. Claesson, Per M.
Ключевые слова:	aluminum molybdate inhibitor corrosion of metallic materials corrosion inhibition corrosion properties алюминиевые сплавы коррозия металлов коррозионные свойства ингибирование коррозии
Дата публикации:	2020
Библиографическое описание:	Surface and corrosion properties of AA6063-T5 aluminum alloy in molybdate-containing sodium chloride solutions / Dmitry S. Kharitonov [et al.] // Corrosion Science. - 2020. - Vol. 171. - № 108658
Описание:	Corrosion properties of aluminum alloy AA6063-T5 were investigated in molybdate-containing NaCl solutions. Electrochemical, microscopic, and spectroscopic experiments were utilized to examine the mechanism of corrosion inhibition by molybdates. SEM-EDX, magnetic force, and intermodulation electrostatic force microscopy data suggested that the inhibition initiation preferentially occurred over Fe-rich cathodic IMPs. Spectroscopic measurements demonstrated that the formed surface layer consists of mixed Mo(VI, V, IV) species. This layer provided inhibition with an efficiency of ∼90% after 4 h of exposure. High efficacy of ∼70% was achieved even after one week of exposure. A two-step oxidation-reduction mechanism of corrosion inhibition by aqueous molybdates was proposed.
URI (Унифицированный идентификатор ресурса):	https://elib.belstu.by/handle/123456789/36969
Располагается в коллекциях:	Публикации в зарубежных изданиях

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