Computational, MD simulation, SEM/EDX and experimental studies for understanding adsorption of benzimidazole derivatives as corrosion inhibitors in 1.0 M HCl solution
Source abstract
Abstract
Abstract The adsorption and corrosion inhibition performance of two benzimidazole derivatives, namely:2-(allylthio)-1H-benzo[d]imidazole (SHA) and bis((1H-benzo[d]imidazole-2-yl)thio)methane (BB1C) were studied as a corrosion inhibitors for mild steel (MS) in 1.0 M HCl solution using Weight Loss (WL) measurements, Potentiodynamic Polarization (PDP), Electrochemical Impedance Spectroscopy (EIS), Scanning Electron Microscopy(SEM) and Energy Dispersive X-ray (EDX) analysis. The kinetics of corrosion retardation were inspected by polarization studies, and the respective achievements declared that both compounds could retard corrosion reactions via cathodic/anodic (mixed) inhibition mechanism. The adsorption process on MS surface obeyed Langmuir isotherm. Adsorption and thermodynamic parameters were also evaluated. SEM/EDX analysis strongly supports the obtained results and confirms the existence of a barrier film on the metal surface. Our findings provide deeper insights into understanding the interaction mechanisms of SHA and BB1C with MS surface. Experimental outcomes support the outcomes obtained from DFT and Molecular dynamic (MD) simulation.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Concrete Corrosion and Durability · Hydrogen embrittlement and corrosion behaviors in metals
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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