Intercrystalline Corrosion
intercrystalline corrosion
[¦in·tər′krist·əl·ən kə′rō·zhən]Intercrystalline Corrosion
a type of corrosion of metals that attacks only the surface layers of the grains (crystal-lites) and penetrates metal objects along the grain boundaries (surfaces). Intercrystalline corrosion leads to the destruction of metal articles along the grain boundaries.