Co-deposition of Al-Zn on AZ91D magnesium alloy in AlCl3-1-ethyl-3-methylimidazolium chloride ionic liquid

Szu Jung Pan, Wen-Ta Tsai, Jeng Kuei Chang, I-Wen Sun

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

The co-deposition of Al and Zn on AZ91D magnesium alloy from a Lewis acidic aluminum chloride-1-ethyl-3-methylimidazolium chloride (AlCl3-EMIC, with a molar ratio of 60:40) ionic liquid containing 1 wt% ZnCl2 at room temperature was studied. The effect of potential on the deposition rate, the microstructure and the chemical composition of the deposit was explored. The experimental results show that the simultaneous deposition of Al and Zn on Mg alloy can be achieved under properly controlled potential conditions. The deposition rate increased while the amount of Zn existing in the coating decreased with increasing negative deposition potential. In the ionic liquid studied, a uniform chemical composition of the coating was obtained when the deposition was performed at -0.2 V (vs. Al).

Original languageEnglish
Pages (from-to)2158-2162
Number of pages5
JournalElectrochimica Acta
Volume55
Issue number6
DOIs
Publication statusPublished - 2010 Feb 15

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Ionic Liquids
Magnesium alloys
Ionic liquids
Chlorides
Deposition rates
Aluminum chloride
Coatings
Chemical analysis
Deposits
Microstructure
aluminum chloride
1-ethyl-3-methylimidazolium
Temperature

All Science Journal Classification (ASJC) codes

  • Electrochemistry
  • Chemical Engineering(all)

Cite this

Pan, Szu Jung ; Tsai, Wen-Ta ; Chang, Jeng Kuei ; Sun, I-Wen. / Co-deposition of Al-Zn on AZ91D magnesium alloy in AlCl3-1-ethyl-3-methylimidazolium chloride ionic liquid. In: Electrochimica Acta. 2010 ; Vol. 55, No. 6. pp. 2158-2162.
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Co-deposition of Al-Zn on AZ91D magnesium alloy in AlCl3-1-ethyl-3-methylimidazolium chloride ionic liquid. / Pan, Szu Jung; Tsai, Wen-Ta; Chang, Jeng Kuei; Sun, I-Wen.

In: Electrochimica Acta, Vol. 55, No. 6, 15.02.2010, p. 2158-2162.

Research output: Contribution to journalArticle

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AU - Pan, Szu Jung

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AU - Sun, I-Wen

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AB - The co-deposition of Al and Zn on AZ91D magnesium alloy from a Lewis acidic aluminum chloride-1-ethyl-3-methylimidazolium chloride (AlCl3-EMIC, with a molar ratio of 60:40) ionic liquid containing 1 wt% ZnCl2 at room temperature was studied. The effect of potential on the deposition rate, the microstructure and the chemical composition of the deposit was explored. The experimental results show that the simultaneous deposition of Al and Zn on Mg alloy can be achieved under properly controlled potential conditions. The deposition rate increased while the amount of Zn existing in the coating decreased with increasing negative deposition potential. In the ionic liquid studied, a uniform chemical composition of the coating was obtained when the deposition was performed at -0.2 V (vs. Al).

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