Corrosion of Magnesium Alloy AZ31 Coated by Plasma Electrolytic Oxidation
- Авторы: Kalinichenko O.O.1, Holovenko V.O.1, Roienko K.V.1, Misnyankin D.O.1, Girin O.B.1, Snizhko L.O.1
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Учреждения:
- Ukrainian State University of Chemical Technology
- Выпуск: Том 55, № 5 (2019)
- Страницы: 595-601
- Раздел: Article
- URL: https://journals.rcsi.science/1068-3755/article/view/231351
- DOI: https://doi.org/10.3103/S1068375519050053
- ID: 231351
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Аннотация
In this work, plasma electrolytic oxidation was performed on AZ31 magnesium alloy. The electrolytes contained mixtures of sodium silicate, sodium hexamethaphosphate, potassium hydroxide, and potassium fluoride. Scanning electron microscopy, X-ray diffraction, porosity measurements, atomic analysis, and exposition in 3% NaCl were carried out to investigate the microstructure, elemental/phase composition, and corrosion resistance of the coatings. The results showed that the coating formed in both silicate- and phosphate-containing electrolyte were mainly composed of MgO, Mg(OH)2, Mg2SiO4, and Mg3(PO4)2 showing the most dense structure and the best corrosion resistance.
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Об авторах
O. Kalinichenko
Ukrainian State University of Chemical Technology
Email: lsnizhko@gmail.com
Украина, Dnipro, 49005
V. Holovenko
Ukrainian State University of Chemical Technology
Email: lsnizhko@gmail.com
Украина, Dnipro, 49005
K. Roienko
Ukrainian State University of Chemical Technology
Email: lsnizhko@gmail.com
Украина, Dnipro, 49005
D. Misnyankin
Ukrainian State University of Chemical Technology
Email: lsnizhko@gmail.com
Украина, Dnipro, 49005
O. Girin
Ukrainian State University of Chemical Technology
Email: lsnizhko@gmail.com
Украина, Dnipro, 49005
L. Snizhko
Ukrainian State University of Chemical Technology
Автор, ответственный за переписку.
Email: lsnizhko@gmail.com
Украина, Dnipro, 49005
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