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Galvanic Corrosion (Control Methods (Selection of metals nearer to each…
Formation
Contact between two dissimilar metallic materials or metal with conducting materials in the presence of electrolyte.
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Factor
Electrode Potential
The further the distance between the two metals in EMF series, the greater the tendency of corrosion.
When the corrosion potential difference between the two metals is at least 250mV, galvanic corrosion is significant.
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