書誌事項
- タイトル別名
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- Mass Transfer and Reaction Rate Analysis on Galvanic Corrosion Behavior of Al–Cu and Al–Sn
- Al-Cu オヨビ Al-Sn ノ ガルバニック フショク キョドウ ニ カンスル ブッシツ イドウ ・ ハンノウ ソクド カイセキ
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説明
<p>The galvanic corrosion rate of galvanically coupled Cu–Al and Sn–Al was measured in a 3 wt.% sodium chloride aqueous solution in the previous study. A fundamental mass transfer/reaction model was constructed to analyze a rate controlling step and the effect of dissolved oxygen concentration for galvanic corrosion. It is well known that galvanic corrosion of Al–Cu is diffusion–limited for dissolved oxygen. This behavior can be well explained by the present model. On the other hand, in the case of Sn–Al, it was suggested that the galvanic corrosion rate is a mixed rate controlling of oxygen diffusion and a cathode reaction. The galvanic current depends on the dissolved oxygen concentration in the low oxygen concentration region. And the effect of the reaction rate constant on the galvanic current is large in the high oxygen concentration.</p>
収録刊行物
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- 銅と銅合金
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銅と銅合金 59 (1), 147-150, 2020
日本銅学会
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詳細情報 詳細情報について
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- CRID
- 1391975276376977280
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- NII論文ID
- 130007940854
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- NII書誌ID
- AA11995570
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- ISSN
- 2435872X
- 13477234
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- NDL書誌ID
- 030593951
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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サーチ
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可