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← HistoryIncreased crucible silicon dioxide causes which impediment within early steel production?
A)Reduced carbon diffusion rate uphill
B)Oxide eutectic melting point depression
C)Increased refractory lining degradation risk✓
D)Promotion of homogeneous alloy nucleation
💡 Explanation
Increased silica (SiO2) in a crucible reacts with iron oxides creating slag; therefore, accelerated refractory lining degradation occurs because the acidic slag corrods the silicate-based crucible, rather than promoting desirable alloy formation.
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