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Which consequence results from dislocation pile-up near ferrite grain boundaries?

A)Increased material hardness and brittleness
B)Enhanced magnetic domain alignment
C)Improved electrical conductivity locally
D)Reduced risk of creep deformation

💡 Explanation

Increased stress concentrates at defects, causing work hardening, therefore the material becomes brittle, rather than ductile because grain boundaries impede dislocation slip with increased pressure rather than increased conductivity.

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