書誌事項
- タイトル別名
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- Passive Films Formed on Pb and Pb-Ag Alloy in NaCl Aqueous Solution
- エンカ ナトリウム スイヨウエキチュウ デ セイセイスル ナマリ オヨビ ナマ
- 人工海水中における鉛合金陽極に関する研究 (第4報)
- Studies on Lead Alloy Anodes in Artifical Sea Water (Part 4)
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説明
The passive films formed on Pb and Pb-Ag alloy (1 and 4wt% Ag) in 0.05 to 1M NaCl solutions have been studied by a linear potential sweeping method, potentiostatic and galvanostatic measurements. On the way to passive region of the E-I curves obtained by linear potential sweeping experiments, two distinct current peaks, peak 1 and peak 2, were observed at the concentration of 0.25M or above. An oxidation mechanism in term of peak 1 and peak 2 is proposed and discussed. It follows from comparison of Pb and Pb-Ag alloy that the use of Pb-4wt% Ag alloy induces a negative shift in oxygen evolution potential, but does a positive shift in film-dissolution potential. In addition, the alloy has a tendency to reduce slightly the retention current of passivation. The passive films, formed on both Pb and Pb-Ag alloy, have the structure which the inner layer is composed of PbO and PbO2, and the outer layer of PbCl2 and Pb(OH)Cl.
収録刊行物
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- CORROSION ENGINEERING
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CORROSION ENGINEERING 29 (2), 70-77, 1980
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
- 1390282681236639616
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- NII論文ID
- 130006024577
- 130004716957
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- NII書誌ID
- AN00225595
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- ISSN
- 18841155
- 00109355
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- NDL書誌ID
- 2171419
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