Electrochemical surface modification technique to impede mild steel corrosion using perfluorooctanoic acid
Shubha H Natarj, Venkatesha T Venkatarangaiah, Anantha N Subba Rao
Journal of Electrochemical Science and Engineering · 2016
doi:10.5599/jese.211 (opens in a new tab)
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Abstract
The present work demonstrated that corrosion inhibition efficiency of electrochemically generated organic coat is remarkably effective than self-assembled monolayer (SAM) generated by dip coating technique. Perfluorooctanoic Acid (PFOA) is used to modify mild steel surface for effective protection. Infrared reflection absorption spectroscopy and contact angle measurements substantiate the modification of mild steel surface and its effect on surface hydrophobicity. A comparison between electrochemical properties of PFOA SAM generated by dip coat method (DC-PFOA) and PFOA coat generated by electrochemical method (EC-PFOA) is presented. Electrochemical measurements reveal that the corrosion protection efficiency of EC-PFOA (91%) is much superior to DC-PFOA (28%).
Abstract licence: CC BY
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