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← HistoryWhich consequence arises from insufficient carbon removal during crucible steel production for Damascus blades?
A)Excessive grain boundary carbide formation
B)Increased blade brittleness at impact✓
C)Reduced martensite formation upon quenching
D)Accelerated work hardening during forging
💡 Explanation
Higher-than-ideal carbon content causes excessive cementite precipitation, and therefore promotes crack propagation along grain boundaries, resulting in increased blade brittleness, rather than carbide formation or work hardening alone because stress focuses at cementite.
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