Inhibition Effect of N, N'-Dimethylaminoethanol on the Pitting Corrosion Austenitic Stainless Steel Type 304.
Loto, Roland Tolulope Loto, Cleophas Akintoye Popoola, Patricia Abimbola Fedotova, Tatiana
Loto, Roland Tolulope
Loto, Cleophas Akintoye
Popoola, Patricia Abimbola
Fedotova, Tatiana
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Abstract
The electrochemical influence and corrosion inhibition of N, N'-dimethylaminoethanol on the pitting corrosion resistance of austenitic stainless steel (type 304) in dilute sulphuric acid solution with sodium chloride addition was investigated using potentiodynamic polarization technique. Corrosion potential, pitting potential, passivation potential, nucleation resistance, passivation range and repassivation capacity measurements and potentiodynamic analysis were used to evaluate the steel’s pitting resistance characteristics. The potentiodynamic experiments revealed that pitting potential increased with increase in concentration of the inhibiting compound coupled with an increase in the passivation range hence increased resistance to pittinggcorrosion.
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Date
2015-05-17
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Springer
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Keywords
Corrosion, N, N'-dimethylaminoethanol, Pitting, Inhibition