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Which consequence results when isothermal forging is performed below the material's recrystallization temperature?

A)Enhanced grain boundary sliding
B)Increased work hardening rate
C)Densification via creep voids
D)Accelerated surface oxidation rate

💡 Explanation

Increased work hardening rate results because lower temperature forging causes plastic deformation without annealing effects via dynamic recovery. Therefore the material hardens faster, rather than exhibiting grain boundary sliding, creep, or oxidation, within elevated temperature processes.

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