Surface and Electrochemical Behaviour of Carbon Steel in Neutral aqueous Environment
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 10
Abstract
Corrosion inhibiton of Carbon Steel immersed in 60 ppm Cl- has been investigated in presence and absence of Zn2+ ions. The Weight – loss method is used to find the Inhibition Efficiency of the inhibitors. The formulation consists of 50 ppm of DTPMP, 10 ppm of Sodium Molybdate (SM), 10 ppm Zn2+ and it gives the maximum IE of 90%. When inhibitors used alone that gives some IE. But their combination in particular proportion shows the maximum IE is otherwise called as Synergistic Effect. The Electrochemical impedance spectroscopy (EIS) indicates that the formation of protective film on the surface of metal. The Atomic Force Microscopy also confirms the formation of film by the way of increasing in smoothness of the surface of Carbon Steel.
Authors and Affiliations
B. Balanaga Karthik
Keywords
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