The Electrolyte Concentration Influence on the Features of Formation Process and Morphology of the PEO-Coatings on Aluminum Alloy

The Electrolyte Concentration Influence on the Features of Formation Process and Morphology of the PEO-Coatings on Aluminum Alloy

Plasma electrolytic oxidation (PEO) of aluminum alloy 5754 was carried out in a multicomponent electrolyte variating the concentration of sodium silicate. The research has allowed to establish the characteristic features of the plasma electrolytic oxidation process, and also morphological structure...

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Veröffentlicht in:Diffusion and defect data. Solid state data. Pt. A, Defect and diffusion forum Defect and diffusion forum, 2018-09, Vol.386, p.309-314
Hauptverfasser: Sinebryukhov, Sergey L., Vyaliy, Igor E., Gnedenkov, Sergey V., Egorkin, Vladimir S., Izotov, Nikolay V.
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum alloys
Aluminum base alloys
Electrolytes
Morphology
Oxidation
Porosity
Sodium silicates
Thickness
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Zusammenfassung:Plasma electrolytic oxidation (PEO) of aluminum alloy 5754 was carried out in a multicomponent electrolyte variating the concentration of sodium silicate. The research has allowed to establish the characteristic features of the plasma electrolytic oxidation process, and also morphological structure of the formed oxide layers. It is established that the applied electrolytic systems can significantly increase the thickness of the formed layers (up to 152 μm), and control their porosity, bringing it up to 30 %.
ISSN:1012-0386
1662-9507
1662-9507
DOI:10.4028/www.scientific.net/DDF.386.309