[Other] [Single chapter]Galvanic Corrosion

nguyenvankiet Post time 1 hour(s) ago | Show all posts |Read mode
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Galvanic corrosion is the electrochemical corrosion caused by two or more metals with different electrode potentials in contact with each other in the corrosion medium. It is also known as contact corrosion, bimetallic corrosion, and dissimilar metal corrosion. The principle of galvanic corrosion is shown in Fig. 1. When galvanic corrosion occurs, the metal with a negative electrode potential generally accelerates the corrosion, while the corrosion of the metal with a positive electrode potential slows down.
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