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← HistoryWhich outcome accelerated arsenical bronze embrittlement in ancient axe production?
A)Recrystallization following prolonged cold-working✓
B)Grain boundary carbon segregation during casting
C)Martensitic transformation after rapid quenching
D)Oxide film passivation creating improved toughness
💡 Explanation
Prolonged cold-working induces recrystallization. This occurs because increased internal energy reduces the activation barrier. Therefore brittleness increases, rather than carbon segregation causing creep, or the formation of martensite that requires much larger thermal gradients during quenching.
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