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← HistoryWhich limitation arose inhibiting larger Bronze Age bronze castings?
A)Differential alloy cooling rates differ✓
B)Mold clay collapses under pressure
C)Bronze is prone to oxidation
D)Melt viscosity prevents uniform cooling
💡 Explanation
Uneven solidification occurred in thicker bronze casts, because differing cooling rates created internal stress via differential thermal contraction, the VOLUME SHRINKAGE MECHANISM. Thus, larger objects cracked more easily, rather than maintaining structural integrity uniformly.
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