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← TechnologyWhich outcome occurs when forging temperature control fails?
A)Excessive grain growth; fracture✓
B)Increased dislocation annihilation rate
C)Enhanced beta phase formation rate
D)Densification via diffusion domination
💡 Explanation
Exceeding maximum recrystallization causes excessive grain growth during forging because temperature heavily influences grain dynamics; unchecked, massive grains offer weaker resistance to fracture. Therefore, cracks propagate easily, rather than undergo plastic deformations under load.
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