Experimental and theoretical study on the inhibition performance of triazole compounds for mild steel corrosion
By Musa, Ahmed Y.; Kadhum, Abdul Amir H.; Mohamad, Abu Bakar & Takriff, Mohd Sobri
Published in Corrosion Science
NULL
2010
Abstract
A relationship between quantum chemical parameters for three triazole compounds and their inhibition ability was studied using electrochemical measurements (potentiodynamic polarization and EIS), molecular dynamic method and quantum chemical calculations. Electrochemical measurements results revealed that the inhibition efficiencies increased with the concentration of inhibitors. The molecular dynamic method results showed that the higher interaction potential between the inhibitor and metal surface, the higher the inhibition efficiency. The quantum chemical calculation results showed that the triazole ring is the active site in these inhibitors and they can absorb on Fe surface by donating electrons to Fe d-orbital.
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