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