書誌事項
- タイトル別名
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- Zinc-Magnesium Alloy Electrodeposition from ZnBr<sub>2</sub>-1-Ethyl-3-Methylimidazolium Bromide Molten Salts with Glycerin
- ZnBr2-EMIB-Glycerin浴からのZn-Mg合金電析
- ZnBr2 EMIB Glycerinヨク カラ ノ Zn Mg ゴウキンデンセキ
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<p>The electrodeposition of the Zn-Mg alloys from Lewis basic ZnBr2-MgBr2-1-ethyl-3-methylimidazolium bromide (EMIB) molten salts with glycerin, in which Mg(II) ions were introduced by the chemical reaction of Mg metal with Zn(II) ions, was investigated at 140°C by potentiostatic and galvanostatic electrolyses and cathodic polarization measurements. The molten salts used were prepared by chemical displacement of prescribed amounts of Zn in ZnBr2-EMIB molten salts with glycerin by Mg. The cathodic polarization curves showed that EMI+ cation in the molten salt decomposed below －1.0 V vs. Zn(II)/Zn in ZnBr2-EMIB-glycerin (15: 42.5: 42.5 mol%). Thus the potentiostatic electrolysis was carried out at －0.8 V, and the grayish metallic-colored electrodeposits were obtained. The Mg content in the Zn-Mg electrodeposits was from 12 to 25 mol%. The X-ray diffraction analysis showed the diffraction peaks of Mg2Znli in addition to Zn, CuZn5 and the substrate Cu, and alao suggested the forced dissolution of Mg in the Zn matrix. The, time of generation of red rust for Zn-20 mol% Mg alloy coating steel was about 20 times longer than with that of Zn coating steel in 5 mass% NaCl aqueous solution at 35°C.</p>
収録刊行物
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- Electrochemistry
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Electrochemistry 72 (9), 618-623, 2004-09-05
公益社団法人 電気化学会
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詳細情報 詳細情報について
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- CRID
- 1390282763121586560
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- NII論文ID
- 10013170052
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- NII書誌ID
- AN00151637
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- ISSN
- 21862451
- 13443542
- http://id.crossref.org/issn/13443542
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- NDL書誌ID
- 7084682
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用可
