Inhibitive effect of Arachis hypogeae on the corrosion of mild steel in sulphuric acid solution

Abdulwahab, M and Kasim, A. and Fayomi, O. S. I and Asuke, F. and Popoola, A. P. I. (2012) Inhibitive effect of Arachis hypogeae on the corrosion of mild steel in sulphuric acid solution. J. Mater. Environ. Sci., 3 (6). pp. 1177-1182. ISSN 2028-2508

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Abstract

The corrosion assessment of mild steel in H2SO4-Arachis hypogeae natural oils have been studied using electrochemical technique. The surface morphology of as-corroded samples was assessed with scanning electron microscopy equipped with energy dispersive spectroscopy (SEM-EDS). The results revealed that corrosion rate of mild steel with Arachis hypogeae-H2SO4 environment decreased significantly. Results of the linear polarization indicate a higher potential value and inhibitor efficiency of 98.68, 86.87 and 97.10% at 100%v/v Arachis hypogeae with an increase in polarization resistance (Rp) and lower current density for the inhibited samples than the uninhibited mild steel. There exists some level of correlation in the corrosion efficiency between the methods used as criteria for the corrosion evaluation of mild steel/Arachis hypogeae in 2M H2SO4 solution.

Item Type:	Article
Uncontrolled Keywords:	Arachis hypogeae, Inhibitor efficiency, SEM-EDS, thin film
Subjects:	T Technology > T Technology (General) T Technology > TJ Mechanical engineering and machinery
Divisions:	Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User:	Mrs Hannah Akinwumi
Date Deposited:	26 Sep 2017 12:05
Last Modified:	26 Sep 2017 12:05
URI:	http://eprints.covenantuniversity.edu.ng/id/eprint/9422

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