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Corrosion of Al–Sn–Bi alloys in alcohols at high temperatures. Part II: Effect of anodizing on corrosion

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Title: Corrosion of Al–Sn–Bi alloys in alcohols at high temperatures. Part II: Effect of anodizing on corrosion
Authors: Kikuchi, Tatsuya Browse this author
Hara, Yasuhito Browse this author
Sakairi, Masatoshi Browse this author
Yonezawa, Tetsu Browse this author
Yamauchi, Akira Browse this author
Takahashi, Hideaki Browse this author
Keywords: Aluminum alloy
Hot corrosion
Issue Date: Aug-2010
Publisher: Elsevier
Journal Title: Corrosion Science
Volume: 52
Issue: 8
Start Page: 2525
End Page: 2534
Publisher DOI: 10.1016/j.corsci.2010.04.031
Abstract: Nine kinds of Al alloys were anodized to form porous anodic oxide films, and then anodized specimens were immersed in 2-(2-(2-methoxyethoxy)ethoxy)ethanol (MEEE) and 2-(2-(2-butoxyethoxy)ethoxy)ethanol (BEEE) at 415 K. Al-1.0%Sn-1.0%Bi alloy was corroded severely in both BEEE and MEEE, whereas other 8 alloys showed no corrosion. The corrosion proceeded under the anodic oxide films through cracks formed in the film. Cathodic polarization in Cu electroplating solution after corrosion suggested that the crack formation during immersion in hot MEEE is due to thermal expansion of the substrate and Sn and Bi containing particles included in the anodic oxide film.
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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