書誌事項
- タイトル別名
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- Localized Corrosion of Ni-Cr-Fe Overlay Weld Alloys with Dispersed NbC in Sodium Chloride Solution
- エンカ ナトリウム スイヨウエキチュウ ニ オケル NbC ブンサンガタ Ni
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説明
Pitting potentials in sodium chloride solution have been measured potentiodynamically for Ni-Cr-Fe overlay weld alloys with dispersed NbC on a carbon steel formed by plasuma transferred arc method. The presence of NbC in the alloys with Fe content more than 40% caused an electronegative shift in pitting potential, and the morphology of the localized attack was found hemisphere or heneycomb. With Fe content less than 5%, the pits of the alloys containing no NbC had crystallographic attack with Cr-rich phases undissolved. As NbC content was increased, the pitting potential shifted in electropositive direction and the anodic dissolution was uniform with no pitting. The Ni-Cr-Fe overlay weld alloys with dispersed 40% NbC was coverded with a Cr-Nb-Fe-C composition film after anodizing at 1.0V vs. Ag/AgCl and then had higher resistance to pitting corrosion.
収録刊行物
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- CORROSION ENGINEERING
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CORROSION ENGINEERING 38 (8), 422-428, 1989
社団法人 腐食防食協会
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詳細情報 詳細情報について
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- CRID
- 1390001206258841856
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- NII論文ID
- 130004732120
- 130006025361
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- NII書誌ID
- AN00225595
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- ISSN
- 18841155
- 00109355
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- NDL書誌ID
- 3247897
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- データソース種別
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- JaLC
- NDL
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