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Impedance monitoring of corrosion degradation of plasma electrolytic oxidation coatings (PEO) on magnesium alloy
Abstract
Impedance technique based on continuous multisinusoidal current perturbation was used to explain degradation process of plasma electrolytic oxidation coatings (PEO) on magnesium alloy. An obtained impedance spectrum was fitted by electrical equivalent circuit to describe properties of conversion layer on magnesium alloy. Additionally, galvanostatic mode maintained during experiment, with DC current equal to zero, allowed to achieve corrosion potential in degradation process. This methodology has advantage over more conventional methods. It allows observing parameters change in function of time and explanation of the degradation process of PEO on magnesium alloy.
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Authors (5)
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L. Nieuzyla
- Silesian University of Technology Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry
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G. Nawrat
- Silesian University of Technology Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
JOURNAL OF ALLOYS AND COMPOUNDS
no. 722,
pages 406 - 413,
ISSN: 0925-8388 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Gaweł Ł., Nieuzyla L., Nawrat G., Darowicki K., Ślepski P.: Impedance monitoring of corrosion degradation of plasma electrolytic oxidation coatings (PEO) on magnesium alloy// JOURNAL OF ALLOYS AND COMPOUNDS. -Vol. 722, (2017), s.406-413
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jallcom.2017.06.120
- Verified by:
- Gdańsk University of Technology
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