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The corrosion mechanisms of Al–Cr–Fe and Al–Cu–Fe–Cr complex metallic alloys have been investigated by potentiodynamic and potentiostatic polarization. Very good passivation of the Al–Cr–Fe surface is exhibited from 1M H 2 SO 4 to 1M NaOH solutions, which was confirmed by ICP-OES analysis over a period of 273days. Potentiostatically formed passive films analysed by XPS revealed chromium...
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