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Bimetallic corrosion

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Bimetallic corrosion, also known as contact corrosion, is corrosion caused by an electrochemical reaction between two different metallic materials in contact with one another and moisture. The less noble metal becomes an anode and rapidly disintegrates - the more noble metal becomes a cathode and the rate of disintegration slows.

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Technical terms cannot always be avoided. As corrosion experts, we not only want to give you comprehensive advice, we are also interested in making you a corrosion expert yourself.

The variety around the topic of corrosion and corrosion protection is also in our glossary at home: explanations from A as in Adhesion to T as in Thread tolerance. Have fun clicking through!