(from the article `materials testing`) ...causes problems in a structure; for example, steel bolts in an aluminum framework may, in the presence of rain or fog, form multiple galvanic ...
Corrosion that is accompanied by a flow of electrons between cathodic and anodic areas on metallic surfaces.
(Contact corrosion, Electrolytic corrosion, Galvanic corrosion) Localized corrosion from exposure of an assembly of dissimilar metals in contact or coupled with one another, i.e., electrochemical action.