Intercrystalline Corrosion

Also found in: Acronyms.

intercrystalline corrosion

[¦in·tər′krist·əl·ən kə′rō·zhən]
Localized attack occurring along the crystal boundaries of a metal or alloy. Also known as intergranular corrosion.

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.

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