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Composition and structure of Al-Sn alloys formed by constant potential electrolysis in an AlCl3-NaCl-KCl-SnCl2 molten salt

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Title: Composition and structure of Al-Sn alloys formed by constant potential electrolysis in an AlCl3-NaCl-KCl-SnCl2 molten salt
Authors: Ueda, Mikito Browse this author →KAKEN DB
Inaba, Ryuichi Browse this author
Ohtsuka, Toshiaki Browse this author →KAKEN DB
Keywords: Molten salt
Al-Sn alloy
Electrodeposition
Bearing materials
Issue Date: 30-Jun-2013
Publisher: Elsevier
Journal Title: Electrochimica Acta
Volume: 100
Start Page: 281
End Page: 284
Publisher DOI: 10.1016/j.electacta.2012.09.069
Abstract: To form Al-Sn alloys for bearing materials, molten salt electrolysis was performed in an AlCl3-NaCl-KCl molten salt containing SnCl2 at 423 K. The voltammogram showed that the cathodic reduction of the Sn ions started at a potential of 0.5 V vs. Al/Al(III) in the molten salt showing that deposition of pure Sn was possible at 0.5 V. Co-deposition of Al and Sn occurred at potentials more negative than 0.1 V. The co-deposit was composed a solid solution of Al and Sn. The ratio of the Sn in the electrodeposits decreased with the potential from 100 at.% at 0.2 V to 19 at.% at -0.3 V. In the structural observations, electrodeposits with an alternate stacked structure of Al and Sn is obtained at -0.075 V. (c) 2012 Elsevier Ltd. All rights reserved.
Type: article (author version)
URI: http://hdl.handle.net/2115/53247
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: 上田 幹人

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