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← HistoryWhich outcome results when residual silica remains in post-bloom cast iron during Han crossbow trigger production?
A)Increased quench cracking tendency
B)Reduced corrosion resistance formed
C)Elevated work hardening behavior
D)Diminished tensile load capacity✓
💡 Explanation
Diminished tensile load capacity results from silica inclusions causing stress concentrations along grain boundaries because *hindered dislocation glide* diminishes material cohesion; therefore, lower ultimate strength, rather than affecting quench cracking/corrosion/work hardening differently.
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