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← ScienceWhich outcome occurs at stainless steel surfaces exposed to prolonged chloride solutions at elevated temperatures?
A)Pitting corrosion initiates from metal chloride✓
B)Passivation improves with increased chloride ions
C)Ferrite phases transform to austenite
D)Mechanical strength demonstrates increased resilience
💡 Explanation
Pitting corrosion becomes significant because the breakdown of existing protective oxide layers and subsequent **ionic conduction** drive localized corrosion. The corrosion results rather than passivation as chlorides weaken the passive layer, causing accelerated oxidation kinetics.
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