Corrosion Behaviors of Microarc Oxidation Coating and Anodic Oxidation on 5083 Aluminum Alloy

The microarc oxidation (MAO) coating and anodic oxidation coating were prepared on 5083 aluminum alloy. The surface morphology, elemental composition, and electrochemical behavior of the two coatings were analyzed. The results proved that the corrosion resistance of the MAO coating is superior than...

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Bibliographic Details
Published inJournal of chemistry Vol. 2020; no. 2020; pp. 1 - 11
Main Authors Wang, Meng, Liu, Bin, Wang, Zhongyi, Li, Liangcai, Sun, Haiou, Yu, Yunliang
Format Journal Article
LanguageEnglish
Published Cairo, Egypt Hindawi Publishing Corporation 2020
Hindawi
Hindawi Limited
Wiley
Subjects
Alloying elements
Alloys
Aluminum alloys
Aluminum base alloys
Anodic coatings
Anodic protection
Anodizing
Corrosion potential
Corrosion prevention
Corrosion resistance
Cracks
Diffusion coatings
Efficiency
Electrochemical analysis
Electrodes
Ion diffusion
Morphology
Oxidation
Protective coatings
R&D
Research & development
Salt
Spectrum analysis
Submerging
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Summary:The microarc oxidation (MAO) coating and anodic oxidation coating were prepared on 5083 aluminum alloy. The surface morphology, elemental composition, and electrochemical behavior of the two coatings were analyzed. The results proved that the corrosion resistance of the MAO coating is superior than that of the anodic oxidation coating. The protective ability of the coating deteriorated gradually with the increase in immersion time. The corrosion process is controlled by ion diffusion throughout the coatings.
ISSN:2090-9063
2090-9071
DOI:10.1155/2020/6082812