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← HistoryWhich cracking outcome increases as crucible refractory fails?
A)Material impurity concentration increases rapidly✓
B)Alloy homogeneity drastically improves itself
C)Solidification shrinkage stresses uniformly distribute
D)Melt superheat temperatures remain sustained
💡 Explanation
Refractory failure causes crucible structural collapse, introducing contaminants; therefore, increased impurity results, because the protective barrier fails; rather than homogeneity or uniformly managed controlled solidification, especially at high pressures
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