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← ScienceWhich outcome occurs when rapid crystallization traps impurities?
A)Formation of lattice defects✓
B)Increased chemical homogeneity
C)Enhanced vacancy concentration
D)Higher overall structural integrity
💡 Explanation
Rapid solidification hinders diffusion; therefore, constitutional supercooling instigates interfacial instability that causes dendritic growth, leading to solute segregation and lattice defects through impurity atom entrapment, rather than uniform composition or enhanced integrity because equilibrium conditions do not exist.
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