Abstract
Stainless steel substrates of exhaust mufflers made of aluminized stainless steel can be exposed to solutions containing Al3+ ions long after the dissolution of their Al coating. This study examined the corrosion behavior of stainless steel in synthetic condensed water that contained different amounts of Al dissolution. The corrosion resistance of stainless steel in the solution containing dissolved Al3+ ions decreased. The unstable passive film contained Al oxides (or hydroxides), which decreased the protective properties of the stainless steel. The dissolved Al3+ ions in the exhaust condensed solution had a negative effect on the corrosion resistance of the stainless steel.
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