…It is a mistake to use the term “electrical corrosion” to mean corrosion caused by galvanic corrosion or electrochemical action. Corrosion fatigue: A decrease in the strength of a metal material caused by the synergistic action of corrosion and repeated stress, which ultimately leads to the destruction of the material. Occluded corrosion cell (OCC mechanism): In a place that is closed off from the outside world in terms of material flow and where only electric current flows, salt concentration occurs as corrosion progresses, lowering the pH, creating favorable conditions for the progression of corrosion. … *Some of the terminology that mentions "corrosion fatigue" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…電食をガルバニック腐食や電気化学的作用による腐食の意味で使うのは誤りである。 腐食疲れcorrosion fatigue(腐食疲労)腐食と繰返し応力との相乗作用によって生ずる金属材料の強度低下で,終局的には材料破壊に至る。 閉塞電池occluded corrosion cell(OCC機構)物質流動の点で外界から閉ざされ,電流のみが流れる状態にある場所では,腐食の進行に伴って塩濃縮が起こってpHが下がり,腐食の進行に好都合な条件となる。… ※「corrosion fatigue」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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