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Corrosion of Al-Sn-Bi alloys in alcohol at high temperatures. Part I: Effects of the metallurgical structure of the alloys and the metal salt additions to alcohol

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Title: Corrosion of Al-Sn-Bi alloys in alcohol at high temperatures. Part I: Effects of the metallurgical structure of the alloys and the metal salt additions to alcohol
Authors: Kikuchi, Tatsuya Browse this author →KAKEN DB
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
Corrosion
alkoxide reaction
alcohol
Issue Date: Apr-2010
Publisher: Pergamon
Journal Title: Corrosion Science
Volume: 52
Issue: 4
Start Page: 1482
End Page: 1491
Publisher DOI: 10.1016/j.corsci.2009.12.007
Abstract: Corrosion of free machining Al alloys that contain Sn and Bi was investigated at 391-415K in 2-(2-(2-methoxyethoxy)ethoxy)ethanol (MEEE) and 2-(2-(2-butoxyethoxy)ethoxy)ethanol (BEEE) with/without SnCl2, Sn(OC2H5)4, FeCl3, and CuCl2. The Al-Sn-Bi alloy displayed severe pitting corrosion in MEEE as did the Al-Sn alloy in BEEE at 415K, and Sn and Sn/Bi were enriched on the surface of pits. Immersion tests of pure Al in MEEE containing Sn/Cu-salts at 415K also showed severe corrosion and the deposition of metallic Sn and Cu on the surface. The corrosion mechanisms are discussed in terms of the electro-catalytic activity of the Sn enriched on the surface.
Type: article (author version)
URI: http://hdl.handle.net/2115/42757
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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