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← ScienceWhich consequence results when rapid oxidation occurs in steel?
A)Loss of passivation occurs uniformly
B)Pitting corrosion accelerates locally✓
C)Crevice corrosion remains unchanged slowly
D)Galvanic protection becomes more effective
💡 Explanation
Rapid oxidation generates iron oxides; increased local acidity causes autocatalytic pitting corrosion, this is because the anodic reaction intensifies via oxide accumulation. Therefore, pitting accelerates locally rather than passivating uniformly or remaining mitigated by crevice/galvanic effects
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