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1. 1 UN1001:REACTOR CHEMISTRY AND CORROSIONSection 7: Intergranular Corrosion By
D.H. Lister & W.G. Cook
Department of Chemical Engineering
University of New Brunswick
2. 2 INTERGRANULAR CORROSION (INTERGRANULAR ATTACK.. IGA) Metals are usually “polycrystalline” . . . an assemblage of single-crystal grains separated by grain boundaries.