Three new volatile corrosion inhibitors (VCIs) such as ethanolamine benzoate (EAB), ethanolamine salicylate (EAS), and ethanolamine cinnamate (EAC), were synthesised and investigated as vapor corrosion inhibitors by weight loss, potentiodynamic polarization, and electrochemical impedance methods for mild steel. The potentiodynamic polarization studies have shown that EAB, EAC are mix type inhibitor behaviour and EAS behaved predominantly as anodic corrosion inhibitor. All the investigated VCIs exhibited good inhibition efficiency (IE) for mild steel.

Subject
Atmospheric corrosion, Materials, Salts, Sodium chloride, Volatile corrosion inhibitors, Vapors, Electrochemical impedance, Metals, Salt concentration, Inhibition efficiency, Weight loss, Corrosion inhibitors, Steel
Keywords:
Vapor Corrosion Inhibitor, Atmospheric Corrosion meter, Electrochemical Impedance Spectroscopy
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2012
Association for Materials Protection and Performance (AMPP)
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