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Microstructure of Titania Layers Formed by Plasma Electrolytic Oxidation (PEO) Method  

Ok, Myoung-Ryul (Materials Science and Technology Division, Korea Institute of Science and Technology)
Kim, Ji Hye (Materials Science and Technology Division, Korea Institute of Science and Technology)
Kang, Eun Young (Materials Science and Technology Division, Korea Institute of Science and Technology)
Hong, Kyung Tae (Materials Science and Technology Division, Korea Institute of Science and Technology)
Publication Information
Corrosion Science and Technology / v.5, no.6, 2006 , pp. 213-217 More about this Journal
Abstract
Titania coatings were prepared on commercially pure Ti by plasma electrolytic oxidation (PEO) method with various electrolytes and process condition. Coatings were formed under galvanostatic condition with several current density values, and the change of applied voltage with process time was recorded. The microstructure of the titania coatings was observed using XRD, SEM, TEM, and the time-voltage diagrams were analyzed in terms of microstructure evolution.
Keywords
plasma electrolytic oxidation(PEO); titania; TEM; time-voltage behavior;
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