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← ScienceWhich risk increases when rapid heating causes phase transitions in metals?
A)Elevated ductile fracture failure
B)Augmented intergranular corrosion risk✓
C)Reduced fatigue crack propagation rate
D)Mitigated creep deformation weakening
💡 Explanation
Augmented intergranular corrosion risk increases because rapid heating causes phase transitions, resulting in lattice defects concentrated at grain boundaries; therefore, there may be intensified corrosion rather than fracture because grain boundaries are highly susceptible now.
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