Insights into corrosion inhibition behavior of three chalcone derivatives for mild steel in hydrochloric acid solution

Hassane Lgaz, K. Subrahmanya Bhat, Rachid Salghi, Shubhalaxmi, Shehdeh Jodeh, Manuel Algarra, Belkheir Hammouti, Ismat Hassan Ali, Azzouz Essamri

Research output: Contribution to journalArticle

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Abstract

The effect of three chalcone derivatives namely, (E)-ethyl 2-(4-(3-(4-fluorophenyl)acryloyl)phenoxy)acetate (AE-1), (E)-ethyl 2-(4-(3-(3,4-dichlorophenyl)acryloyl)phenoxy)acetate (AE-2) and (E)-ethyl 2-(4-(3-(2,5-dimethoxyphenyl)acryloyl)phenoxy)acetate (AE-3) on the mild steel (MS) corrosion in 1.0 M HCl at 303 K has been investigated using experimental techniques such as electrochemical impedance spectroscopy (EIS), potentiodynamic polarization (PDP) methods, weight loss measurements and computational studies. The chalcones derivatives show high inhibition activities and their adsorption on mild steel surface was found to follow the Langmuir adsorption model. PDP results revealed that chalcone derivatives act as a mixed type inhibitors. The results from EIS analysis reveal an increase in charge transfer resistance confirming the inhibitive ability of tested inhibitors. The electronic properties derived from, DFT calculations, molecular dynamic (MD) simulations and Radial Distribution Function (RDF) were used to give further insights into the action mode of studied chalcones. Theoretical results correlate well with the experimental efficiency. Surface morphology of the MS surface in absence and presence of chalcone derivatives was examined using Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM).

Original languageEnglish
Pages (from-to)71-83
Number of pages13
JournalJournal of Molecular Liquids
Volume238
DOIs
Publication statusPublished - 01-07-2017

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Chalcone
Hydrochloric Acid
hydrochloric acid
Hydrochloric acid
Carbon steel
acetates
corrosion
steels
Chalcones
Corrosion
Derivatives
inhibitors
Acetates
Potentiodynamic polarization
Electrochemical impedance spectroscopy
impedance
adsorption
polarization
radial distribution
Adsorption

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Spectroscopy
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Lgaz, Hassane ; Subrahmanya Bhat, K. ; Salghi, Rachid ; Shubhalaxmi ; Jodeh, Shehdeh ; Algarra, Manuel ; Hammouti, Belkheir ; Ali, Ismat Hassan ; Essamri, Azzouz. / Insights into corrosion inhibition behavior of three chalcone derivatives for mild steel in hydrochloric acid solution. In: Journal of Molecular Liquids. 2017 ; Vol. 238. pp. 71-83.
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Insights into corrosion inhibition behavior of three chalcone derivatives for mild steel in hydrochloric acid solution. / Lgaz, Hassane; Subrahmanya Bhat, K.; Salghi, Rachid; Shubhalaxmi; Jodeh, Shehdeh; Algarra, Manuel; Hammouti, Belkheir; Ali, Ismat Hassan; Essamri, Azzouz.

In: Journal of Molecular Liquids, Vol. 238, 01.07.2017, p. 71-83.

Research output: Contribution to journalArticle

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T1 - Insights into corrosion inhibition behavior of three chalcone derivatives for mild steel in hydrochloric acid solution

AU - Lgaz, Hassane

AU - Subrahmanya Bhat, K.

AU - Salghi, Rachid

AU - Shubhalaxmi,

AU - Jodeh, Shehdeh

AU - Algarra, Manuel

AU - Hammouti, Belkheir

AU - Ali, Ismat Hassan

AU - Essamri, Azzouz

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AB - The effect of three chalcone derivatives namely, (E)-ethyl 2-(4-(3-(4-fluorophenyl)acryloyl)phenoxy)acetate (AE-1), (E)-ethyl 2-(4-(3-(3,4-dichlorophenyl)acryloyl)phenoxy)acetate (AE-2) and (E)-ethyl 2-(4-(3-(2,5-dimethoxyphenyl)acryloyl)phenoxy)acetate (AE-3) on the mild steel (MS) corrosion in 1.0 M HCl at 303 K has been investigated using experimental techniques such as electrochemical impedance spectroscopy (EIS), potentiodynamic polarization (PDP) methods, weight loss measurements and computational studies. The chalcones derivatives show high inhibition activities and their adsorption on mild steel surface was found to follow the Langmuir adsorption model. PDP results revealed that chalcone derivatives act as a mixed type inhibitors. The results from EIS analysis reveal an increase in charge transfer resistance confirming the inhibitive ability of tested inhibitors. The electronic properties derived from, DFT calculations, molecular dynamic (MD) simulations and Radial Distribution Function (RDF) were used to give further insights into the action mode of studied chalcones. Theoretical results correlate well with the experimental efficiency. Surface morphology of the MS surface in absence and presence of chalcone derivatives was examined using Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM).

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