Formation of Self-Organized Nanoporous Anodic Films on Carbon Steel

The growth behavior of nanoporous anodic films on carbon steel containing 0.213 mass% carbon has been examined during anodizing in ethylene glycol containing 0.1 mol dm-3 NH4F and 0.5 mol dm-3 H2O. The nanopores in the anodic films are generated preferentially along with steps and at "kink-like...

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Bibliographic Details
Main Authors: Konno, Yoshiki, Yang, Shu, Tuji, Etsushi, Aoki, Yoshitaka, Skeldon, Peter, Thompson, George E., Habazaki, Hiroki
Format: Conference Proceeding
Language:English
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Summary:The growth behavior of nanoporous anodic films on carbon steel containing 0.213 mass% carbon has been examined during anodizing in ethylene glycol containing 0.1 mol dm-3 NH4F and 0.5 mol dm-3 H2O. The nanopores in the anodic films are generated preferentially along with steps and at "kink-like" sites of the steel surface generated by rf-GD sputtering. The steel contains carbide precipitates with a size of 50-800 nm. The anodic oxide formed on the carbide phase is more chemically soluble during anodizing, producing pits in the anodic films.
ISSN:1938-5862
1938-6737
DOI:10.1149/05037.0183ecst