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â ScienceWhich consequence results when excessive supercooling occurs during steel's phase transition?
A)Increased grain boundary precipitationâ
B)Enhanced carbon solid solution
C)Elevated ductile to brittle transition
D)Reduced cementite allotrope formation
đĄ Explanation
Increased grain boundary precipitation results because nucleation rate dramatically increases during supercooling given the thermodynamic drive; this drives diffusion controlled processes, therefore substantial precipitation occurs, rather than promoting uniform crystalline growth.
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