Journal
CORROSION SCIENCE
Volume 81, Issue -, Pages 75-84Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2013.12.006
Keywords
Mild steel; EIS; SEM; Acid corrosion
Funding
- Bingol University Scientific Research Projects (BUBAP) Coordination Unit
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The corrosion inhibition mechanism and the stability of Vitamin B1 (VitB1) on mild steel in 0.5 M HCl solution were investigated. Surface of the steel after exposing to test solutions were examined by scanning electron microscopy (SEM), atomic force microscopy (AFM), and energy dispersive X-ray spectroscopy (EDX). The stability of the inhibitor film was investigated by electrochemical impedance spectroscopy (EIS), chronoamperometry (CA), and cyclic voltammetry (CV) techniques. It was found that VitB1 acts by adsorption on mild steel via physical and chemical interactions and a protective film formation. The inhibitor film evenly distributes over the steel surface and is stable. (C) 2013 Elsevier Ltd. All rights reserved.
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