Which outcome arises when an aluminum alloy's passivation layer degrades?

💡 Explanation

Galvanic corrosion accelerates because the breakdown of the aluminum oxide layer removes the protective barrier, allowing the electrochemical oxidation to proceed; therefore pitting occurs rather than uniform corrosion because the alloy becomes unevenly reactive where the passivity fails.

• Which outcome characterizes dynamic equilibrium establishment in catalytic converters during exhaust aftertreatment?
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