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The electrochemical behaviour of three carbon-alloyed iron aluminides Fe–11.0Al–0.5C, Fe–10.5Al–0.9C and Fe–10.5Al–0.8C–0.2Ce (in wt%) has been studied in 0.25mol/l H 2 SO 4 solution using electrochemical impedance spectroscopy (EIS) and cyclic voltammetry techniques. A 0.05% C steel was used for comparison purposes. EIS studies were conducted after 1h and 24h of immersion in the acidic...
The effect of Ce addition on the microstructure and corrosion behavior of carbon-alloyed iron aluminides Fe–20.0Al–2.0C, Fe–18.5Al–3.6C and Fe–19.2Al–3.3C–0.07Ce (in at.%) has been studied. The potentiodynamic polarization behaviour of the alloys was evaluated in freely aerated 0.25mol/l H 2 SO 4 . A 0.05% C steel was used for comparison purposes. All the alloys exhibited active–passive...
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