Microstructural evolution of ceramic nanocomposites coated on 7075 Al alloy by plasma electrolytic oxidation

Alumina-zirconia nanocomposite coatings were prepared on 7075 Al alloy by plasma electrolytic oxidation (PEO) at current densities 0.1–0.3 A/cm2 in a Zr-containing electrolyte under DC galvanostatic mode. Coatings were investigated by X-ray photoelectron spectroscopy (XPS), X-ray and electron diffra...

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Veröffentlicht in:	Surface & coatings technology 2022-05, Vol.437, p.128345, Article 128345
Hauptverfasser:	Barati, Nastaran, Jiang, Jiechao, Meletis, Efstathios I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alumina Alumina-zirconia Aluminum alloy Aluminum base alloys Aluminum oxide Ceramic coatings Crystallization Current density Electron diffraction Electrons Encapsulation Evolution Grain boundaries High resolution electron microscopy Microstructure Nanocomposite coating Nanocomposites Nanocrystals Nanoparticles Oxidation Phenomenology Photoelectrons Plasma electrolytic oxidation Substrates Tetragonal zirconia Transitional aluminas Transmission electron microscopy X ray photoelectron spectroscopy Zirconium dioxide
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