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Growth behavior of anodic oxide formed by aluminum anodizing in glutaric and its derivative acid electrolytes

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Title: Growth behavior of anodic oxide formed by aluminum anodizing in glutaric and its derivative acid electrolytes
Authors: Nakajima, Daiki Browse this author
Kikuchi, Tatsuya Browse this author →KAKEN DB
Natsui, Shungo Browse this author →KAKEN DB
Suzuki, Ryosuke O. Browse this author →KAKEN DB
Keywords: Aluminum
Glutaric acid
Ketoglutaric acid
Acetonedicarboxylic acid
Issue Date: 1-Dec-2014
Publisher: Elsevier
Journal Title: Applied Surface Science
Volume: 321
Start Page: 364
End Page: 370
Publisher DOI: 10.1016/j.apsusc.2014.10.014
Abstract: The growth behavior of anodic oxide films formed via anodizing in glutaric and its derivative acid solu-tions was investigated based on the acid dissociation constants of electrolytes. High-purity aluminumfoils were anodized in glutaric, ketoglutaric, and acetonedicarboxylic acid solutions under various elec-trochemical conditions. A thin barrier anodic oxide film grew uniformly on the aluminum substrate byglutaric acid anodizing, and further anodizing caused the film to breakdown due to a high electric field.In contrast, an anodic porous alumina film with a submicrometer-scale cell diameter was successfullyformed by ketoglutaric acid anodizing at 293 K. However, the increase and decrease in the temperatureof the ketoglutaric acid resulted in non-uniform oxide growth and localized pitting corrosion of the alu-minum substrate. An anodic porous alumina film could also be fabricated by acetonedicarboxylic acidanodizing due to the relatively low dissociation constants associated with the acid. Acid dissociationconstants are an important factor for the fabrication of anodic porous alumina films.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 菊地 竜也

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