Cathodic pulse breakdown of anodic films on aluminium in alkaline silicate electrolyte : Understanding the role of cathodic half-cycle in AC plasma electrolytic oxidation

Sah, Santosh Prasad; Tsuji, Etsushi; Aoki, Yoshitaka et al.

Corrosion Science, 2012, 55, 90-96

Permalink : https://hdl.handle.net/2115/48644

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アクセス権	open access
URI	https://hdl.handle.net/2115/48644
タイトル	Cathodic pulse breakdown of anodic films on aluminium in alkaline silicate electrolyte : Understanding the role of cathodic half-cycle in AC plasma electrolytic oxidation
著者	Sah, Santosh Prasad ; Tsuji, Etsushi ; Aoki, Yoshitaka ; Habazaki, Hiroki
著者名 Sah, Santosh Prasad
著者名 Tsuji, Etsushi
著者名 Aoki, Yoshitaka
e-Rad_Researcher 50208568 著者名 Habazaki, Hiroki
言語	英語
キーワード	Aluminium
	SEM
	Anodic films
発行日	2012-02
出版者	Elsevier
収録物名	Corrosion Science
巻(号)	55
ページ	90-96
抄録	Sequential anodic and cathodic pulse voltages were applied on anodised Al micro-electrodes in alkaline silicate electrolyte to explore the role of cathodic pulse in AC or bipolar plasma electrolytic oxidation (PEO) process. SEM observation was carried out to observe the sites of anodic and cathodic breakdown and their morphologies. The prior anodic breakdown accelerated the cathodic breakdown at -50 V, and the acceleration was associated with the preferential cathodic breakdown at the anodic breakdown sites. However, the succeeding anodic breakdown during applying anodic pulse of 420 V for 2 ms was highly suppressed at the cathodic breakdown sites.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
PISSN	0010-938X
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.corsci.2011.10.007