Galvanic Reaction: Incompatible Metals Responsible for Corrosion

During a maintenance check in the 1980s, workers discovered that the Statue of Liberty had a serious structural issue: the statue’s internal wrought iron support system was rusting over because the insulating layer of shellac between the iron and copper had failed and allowed for galvanic corrosion to occur. Although this was not a surefire … Continue reading Galvanic Reaction: Incompatible Metals Responsible for Corrosion