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← HistoryWhich consequence results when Bronze Age casting temperatures dropped during axe production?
A)Increased alloy phase separation✓
B)Improved cutting edge toughness
C)Enhanced corrosion resistance develops
D)Shrinkage porosity greatly declines
💡 Explanation
Lower casting temperatures cause increased alloy phase separation because non-equilibrium solidification creates compositional differences at grain boundaries, therefore reduces overall mechanical strength and toughness, rather than imparting toughness uniformly across the alloy.
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