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Effect of Equal-Channel Angular Pressing on Pitting Corrosion of Pure Aluminum
Joint Authors
Kobayashi, Shigeo
Fukushima, Hisaaki
Horita, Zenji
Son, Injoon
Nakano, Hiroaki
Oue, Satoshi
Source
International Journal of Corrosion
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-05-08
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
The effect of equal-channel angular pressing (ECAP) on the pitting corrosion of pure Al was investigated using electrochemical techniques in solutions containing 0.1 m mol·dm−3 of Na2SO4 and 8.46 mol·dm−3 of NaCl (300 ppm Cl−) and followed by surface analysis.
The potential for pitting corrosion of pure Al was clearly shifted in the noble direction by the ECAP process indicating that this process improves resistance to pitting corrosion.
The time dependence of corrosion potential and the anodic potential at 1 A·m−2 revealed that the rate of formation of Al oxide films increased due to a decrease in the grain size of the Al after ECAP.
Since there exists a negligible amount of impurity precipitates in pure Al, the improvement in pitting corrosion resistance of pure Al by ECAP appears to be attributable to an increase in the rate of formation of Al oxide films.
American Psychological Association (APA)
Son, Injoon& Nakano, Hiroaki& Oue, Satoshi& Kobayashi, Shigeo& Fukushima, Hisaaki& Horita, Zenji. 2012. Effect of Equal-Channel Angular Pressing on Pitting Corrosion of Pure Aluminum. International Journal of Corrosion،Vol. 2012, no. 2012, pp.1-9.
https://search.emarefa.net/detail/BIM-472578
Modern Language Association (MLA)
Son, Injoon…[et al.]. Effect of Equal-Channel Angular Pressing on Pitting Corrosion of Pure Aluminum. International Journal of Corrosion No. 2012 (2012), pp.1-9.
https://search.emarefa.net/detail/BIM-472578
American Medical Association (AMA)
Son, Injoon& Nakano, Hiroaki& Oue, Satoshi& Kobayashi, Shigeo& Fukushima, Hisaaki& Horita, Zenji. Effect of Equal-Channel Angular Pressing on Pitting Corrosion of Pure Aluminum. International Journal of Corrosion. 2012. Vol. 2012, no. 2012, pp.1-9.
https://search.emarefa.net/detail/BIM-472578
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-472578