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Formation of porous anodic films on Ti-Si alloys in hot phosphate-glycerol electrolyte

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Title: Formation of porous anodic films on Ti-Si alloys in hot phosphate-glycerol electrolyte
Authors: Habazaki, H. Browse this author →KAKEN DB
Oikawa, Y. Browse this author
Fushimi, K. Browse this author →KAKEN DB
Shimizu, K. Browse this author
Nagata, S. Browse this author
Skeldon, P. Browse this author
Thompson, G. E. Browse this author
Keywords: self-organized porous oxide
anodic oxide films
Ti-Si alloy
glycerol electrolyte
Issue Date: Dec-2007
Publisher: Pergamon
Journal Title: Electrochimica Acta
Volume: 53
Issue: 4
Start Page: 1775
End Page: 1781
Publisher DOI: 10.1016/j.electacta.2007.08.033
Abstract: Porous anodic films, with pore size of ~10 nm, have been developed by anodizing of magnetron sputtered Ti-25 at% Si alloy at constant formation voltages in glycerol electrolyte containing dibasic potassium phosphate at 433 K. The films, of amorphous structure, contain titanium and silicon species, as units of TiO2 and SiO2, throughout the film thicknesses, with negligible amounts of phosphorus species. The silicon is enriched in the film relative to the composition of the alloy, the level of enrichment suggesting that anion migration is increased in comparison with amorphous film growth at ambient temperature. In contrast to the behaviour of the alloy, essentially barrier films were formed on commercially pure titanium in the glycerol electrolyte, when a main anodic reaction was generation of oxygen, which was probably promoted by the development of anatase.
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: 幅崎 浩樹

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