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← ScienceWhich outcome results when rapid crystallization initiates within supercooled copper?
A)Latent heat creates grain growth
B)Dendritic structures decrease strength✓
C)Corrosion resistance improves marginally
D)Uniform microstructure globally densifies
💡 Explanation
Dendritic structures weaken copper because rapid crystal growth proceeds via interface attachment kinetics, rather than equilibrium solidification. Therefore, complex branching forms, rather than uniform shapes, which introduces defects that reduce material integrity.
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