The Influence of Fluoride Anion on the Equilibrium between Titanium Ions and Electrodeposition of Titanium in Molten Fluoride–Chloride Salt
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- Song Jianxun
- State Key Lab of Advanced Metallurgy, University of Science and Technology Beijing
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- Wang Qiuyu
- State Key Lab of Advanced Metallurgy, University of Science and Technology Beijing
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- Zhu Xiaobo
- State Key Lab of Advanced Metallurgy, University of Science and Technology Beijing
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- Hou Jungang
- State Key Lab of Advanced Metallurgy, University of Science and Technology Beijing
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- Jiao Shuqiang
- State Key Lab of Advanced Metallurgy, University of Science and Technology Beijing
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- Zhu Hongmin
- State Key Lab of Advanced Metallurgy, University of Science and Technology Beijing
書誌事項
- タイトル別名
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- The Influence of Fluoride Anion on the Equilibrium between Titanium Ions and Electrodeposition of Titanium in Molten Fluoride–Chloride Salt
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NaCl–KCl–TiClx was prepared via using titanium sponge to reduce titanium tetrachloride in a NaCl–KCl melt under a negative pressure at 1023 K. The relationship between titanium valence states and [F]/[Ti] molar ratios was investigated with successive adding potassium fluoride in the pre-prepared NaCl–KCl–TiClx. It was found that the average valence of titanium ions tended to be stable around 3.0 when [F]/[Ti] molar ratio was greater than 1.80. The equilibrium redox potentials, ETi3 + /Ti2 + , ETi4 + /Ti3 + , ETi3 + /Ti and ETi2 + /Ti, were also calculated through the obtained concentration of equilibrium titanium ions with different molar ratios of [F]/[Ti]. Meanwhile, the influence of the fluoride anion on over-potential and characteristics of titanium electrodeposition were investigated through changing the molar ratio of [F]/[Ti]. The results showed that, with the increasing of [F]/[Ti] molar ratios, the grain size of electrodeposition products became smaller, while the over-potential was higher.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 55 (8), 1299-1303, 2014
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679230400000
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- NII論文ID
- 130004825204
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 025617343
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可