Which consequence occurs when Bronze Age smiths repeatedly re-melt bronze?

💡 Explanation

Repeated re-melting of bronze causes a reduction in tin content oxidation, because tin has a relatively low boiling point. Therefore, the alloy becomes increasingly copper-rich and loses its desirable properties, rather than becoming harder or gaining other alloying elements.

• Increased crossbow performance during China's Han Dynasty resulted when increased quenching rates induced which material property change?
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