Ionic liquids for pitting corrosion inhibition of aluminum alloy in saline-alkaline solution
El-Saeed, H., Deyab, M., Shalabi, K., El-Katori, E., Fouda, A. (2022). Ionic liquids for pitting corrosion inhibition of aluminum alloy in saline-alkaline solution. EKB Journal Management System, 55(1), 9-16. doi: 10.21608/mjcc.2022.412082
H.M. El-Saeed; M.A. Deyab; K. Shalabi; Emad E. El-Katori; A.S. Fouda. "Ionic liquids for pitting corrosion inhibition of aluminum alloy in saline-alkaline solution". EKB Journal Management System, 55, 1, 2022, 9-16. doi: 10.21608/mjcc.2022.412082
El-Saeed, H., Deyab, M., Shalabi, K., El-Katori, E., Fouda, A. (2022). 'Ionic liquids for pitting corrosion inhibition of aluminum alloy in saline-alkaline solution', EKB Journal Management System, 55(1), pp. 9-16. doi: 10.21608/mjcc.2022.412082
El-Saeed, H., Deyab, M., Shalabi, K., El-Katori, E., Fouda, A. Ionic liquids for pitting corrosion inhibition of aluminum alloy in saline-alkaline solution. EKB Journal Management System, 2022; 55(1): 9-16. doi: 10.21608/mjcc.2022.412082

Ionic liquids for pitting corrosion inhibition of aluminum alloy in saline-alkaline solution

Mansoura Journal of Chemistry
Volume 55, Issue 1, February 2022, Page 9-16  XML PDF (909.43 K)
Document Type: Original Article
DOI: 10.21608/mjcc.2022.412082
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Authors
H.M. El-Saeed* 1; M.A. Deyab2; K. Shalabi1; Emad E. El-Katori3; A.S. Fouda1
1Department of Chemistry, Faculty of Science, Mansoura University, Mansoura
2Egyptian Petroleum Research Institute (EPRI), Nasr City
3Department of Chemistry, Faculty of Science, New Valley University, El-Kharja
Abstract
Under different experimental settings, three liquids based on imidazolium were studied as green inhibitors for pitting corrosion of aluminum alloy (AA6061) in a saline-alkaline solution (1.0 M NaCl + 0.1M Na2CO3). This research uses cyclic polarization (CP), ptentiodynamic polarization (PP), AC Impedance spectroscopy (EIS), and surface morphology. The inclusion of ionic liquids clearly altered the pitting potential to a more positive value. The size of both the capacitive and inductive loops in the EIS graphs expanded dramatically as the concentration of ionic liquids increased. Ionic liquids delay aluminum corrosion by adsorbing the compound to the alloy surface, according to SEM, AFM, XPS studies.
Keywords
pitting corrosion; aluminum alloy; Ionic liquids, electrochemistry
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