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← HistoryWhich consequence resulted from quenching bronze pickaxes quickly?
A)Increased metal hardness and reduces ductility✓
B)Decreased electrical resistance
C)Accelerated passivation against corrosion
D)Enhanced thermal conductivity
💡 Explanation
Rapid quenching induces martensitic transformation, a form of work hardening, because it traps the metal lattice in a strained state. Therefore hardness rises, rather than corrosion resistance, while ductility reduces therefore likelihood of facture increases
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