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Journal of Thin Films, Coating Science Technology & Application

Corrosion Inhibition Effect of 1-(4-Methoxy-phenyl)-3-(5-phenyl-1,3,4-oxadiazol-2-yl) propan-1-one Inhibitor for Mild Steel in 1 M HCl Solution

  1. Pruthviraj R.D.

Abstract

The environmental friendly 1-(4-Methoxy-phenyl)-3-(5-phenyl-1,3,4-oxadiazol-2-yl) propan-1-one (A1) inhibitor is synthesized and their corrosion inhibition for Mild Steel in a 1 M HCl solution was studied using weight loss methods, electrochemical measurements, and the surface morphology of mild steel with and without inhibitor were studied using scanning electron microscopy (SEM) analysis. As the concentration of the inhibitor was increased the inhibition efficacy of 1-(4-Methoxy-phenyl)-3-(5-phenyl-1, 3, 4-oxadiazol-2-yl) propan-1-one was also enhanced and on the other it decreased with the increase in temperature. The corrosion inhibition efficiency of 1-(4-Methoxy-phenyl)-3-(5-phenyl-1, 3,4-oxadiazol-2-yl) propan-1-one was outstanding, according to results from potentiodynamic polarisation and EIS. Morphology observation revealed that the Mild Steel was greatly protected by these 1-(4-Methoxy-phenyl)-3-(5-phenyl-1,3,4-oxadiazol-2-yl) propan-1-one inhibitor.

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