HDG Datasheet 10: Bimetallic Corrosion
When two dissimilar metals come into direct contact and an electrolyte such as moisture is present, a battery cell is created and an electrical current flows.
This causes the more electronegative or anodic metal as determined from the electro-chemical series to corrode more rapidly.
This datasheet offers information on the following:
- the factors that the level of bimetallic corrosion that takes place depends upon
- how to eliminate bimetallic corrosion
- the effect of bimetallic corrosion on galvanized steel
- the applications where galvanized steel comes in conjunction with aluminium, copper, lead and stainless steel.
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