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Electrodeposition of Zn-V Oxide Composite from Strong Agitated Solution without Dispersed Particles
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- Nakano Hiroaki
- Faculty of Engineering, Kyushu University
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- Oue Satoshi
- Faculty of Engineering, Kyushu University
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- Annoura Yasunori
- Graduate School of Engineering, Kyushu University
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- Nagai Takaaki
- Graduate School of Engineering, Kyushu University
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- Oho Naoto
- Graduate School of Engineering, Kyushu University
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- Fukushima Hisaaki
- Faculty of Engineering, Kyushu University
Bibliographic Information
- Other Title
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- 分散粒子を含まない溶液からの高流速撹拌下におけるZn-V酸化物複合電析
- ブンサン リュウシ オ フクマナイ ヨウエキ カラ ノ コウリュウソク カクハン カ ニ オケル Zn-V サンカブツ フクゴウデンセキ
- Electrodeposition of Zn–V Oxide Composites from a Strongly Agitated Solution without Dispersed Particles
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Description
Electrodeposition of Zn-V oxide composite was examined from an agitated sulfate solution without dispersed particles containing Zn2+ and VO2+ at pH 2 and 40 ∫C under galvanostatic conditions. Although V content in deposits decreased for the moment with increasing current density regardless of flow rate of electrolyte, the further increase in current density brought about the increase in V content in deposits. The curves, which shows the relationship between the V content in deposits and current density, shifted to the higher current density region with increasing flow rate of electrolyte. Agitation of the electrolyte decreased the V content of the deposits but reduced the segregation of V oxide. EDX point analysis of cross section of deposits revealed that the V oxide concentrated at the surface of deposits. It was found from the polarization curves in 3% NaCl solution that the corrosion potential of deposited Zn-V oxide films depended on the V content in deposits regardless of the flow rate of electrolyte and it shifted to more noble direction with codeposition of V oxide at V contents in deposits below 2 mass%. At V contents of < 4 mass%, the corrosion current density of deposits decreased with increasing V contents in deposits. The corrosion current densities of deposits obtained from agitated solutions were smaller than that from un-agitated solutions.
Journal
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- Tetsu-to-Hagane
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Tetsu-to-Hagane 100 (3), 376-382, 2014
The Iron and Steel Institute of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282680105186176
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- NII Article ID
- 130004685087
- 130003395130
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- NII Book ID
- AN10528571
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- ISSN
- 1341688X
- 18832954
- 13475460
- 00211575
- 09151559
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- COI
- 1:CAS:528:DC%2BC2cXhsVCiu7bL
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- NDL BIB ID
- 025319455
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- Text Lang
- ja
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- Article Type
- journal article
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
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- Abstract License Flag
- Disallowed