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Al electroplating on the AZ121 Mg alloy in an EMIC–AlCl3 ionic liquid containing ethylene glycol

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Abstract

To improve the corrosion resistance of Mg alloys, an Al layer was electrodeposited on the Mg surface from an ionic liquid of 1-ethyl-3-methylimidazolium chloride (EMIC) and aluminum chloride (AlCl3) at 283 K. A smooth surfaced Al electrodeposit can be electroplated in the AlCl3–EMIC ionic liquid by pulse electrolysis at 6.7 Hz and a duty ratio of 0.67. A denser and flatter Al layer was successfully electroplated on AZ121 substrate at the lower temperature of 283 K in an AlCl3–EMIC ionic liquid with 0.1 M ethylene glycol added.

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Authors and Affiliations

  1. Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita-13, Nishi-8, Kita-ku, Sapporo, Hokkaido, 060-8628, Japan

    Mikito Ueda, Shizuka Hariyama & Toshiaki Ohtsuka

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  1. Mikito Ueda
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  2. Shizuka Hariyama
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  3. Toshiaki Ohtsuka
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Correspondence to Mikito Ueda.

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Ueda, M., Hariyama, S. & Ohtsuka, T. Al electroplating on the AZ121 Mg alloy in an EMIC–AlCl3 ionic liquid containing ethylene glycol. J Solid State Electrochem 16, 3423–3427 (2012). https://doi.org/10.1007/s10008-012-1801-9

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  • DOI: https://doi.org/10.1007/s10008-012-1801-9

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