Galvanic corrosion

Japanese: ガルバニック・コロージョン - がるばにっくころーじょん
Galvanic corrosion

...It is not uncommon for a large system to stop functioning due to a single electrical contact corrosion or a small hole in a piping system. [Noboru Masuko]
[Corrosion terminology]
(Synonyms in parentheses) Galvanic corrosion: When dissimilar metals are electrically connected and immersed in an aqueous solution, corrosion occurs in the more noble metal due to the difference in corrosion potential of each metal. Corrosion potential series Filiform corrosion: Corrosion that progresses in thin filaments on a metal surface coated with paint or other material. …

*Some of the terminology that refers to "galvanic corrosion" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…大きなシステムが1個の電気接点の腐食による接触不良や,配管系にあいた小さな一つの穴で機能を停止するような事態もまま起こることである。【増子 昇】
【腐食の用語解説】
(括弧内は同義語)異種金属接触腐食galvanic corrosion(ガルバニック・コロージョン)異種金属が電気的に接続された状態で水溶液に浸漬されたとき,それぞれの金属の腐食電位の違いにより,より卑な金属に起こる腐食。腐食電位列 糸状腐食filiform corrosion(フィリフォーム・コロージョン)塗料などで被覆した金属面に細く糸状に進行する腐食。…

※「ガルバニック・コロージョン」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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