Effect of Current Density on Microstructure and Corrosion Behavior of Plasma Electrolytic Oxidation Coated 6063 Aluminum Alloy

Plasma electrolytic oxidation (PEO) coatings were fabricated on 6063 aluminum alloy in a cheap and convenient electrolyte. The effect of different current densities, i e , 5, 10, 15, and 20 A/dm 2 on the microstructure and corrosion behavior of coatings was comprehensively studied by scanning electr...

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Veröffentlicht in:	Journal of Wuhan University of Technology. Materials science edition 2018-12, Vol.33 (6), p.1503-1510
Hauptverfasser:	Zhuang, Junjie, Song, Renguo, Zheng, Chuanbo
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum alloys Aluminum base alloys Aluminum oxide Chemistry and Materials Science Corrosion effects Corrosion prevention Current density Electrochemical impedance spectroscopy Immersion tests (corrosion) Materials Science Metallic Materials Microscopy Microstructure Oxidation Polarization Pore size Porosity Protective coatings Saline solutions Scanning electron microscopy Sodium chloride Stereoscopy Substrates Transitional aluminas
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