Exfoliation corrosion is a form of intergranular corrosion in layered or wrought alloys where what occurs?

• A. It is a uniform thinning of the metal due to general corrosion
• B. It is a surface oxidation process that forms a film
• C. It is a localized pitting mechanism within grain boundaries
• D. Exfoliation corrosion is a form of intergranular corrosion in layered or wrought alloys where corrosion products cause delamination between layers, compromising thickness

Answer: (D)