Carbon steel corrosion control using Schiff base inhibitor | ||
| Frontiers in Scientific Research and Technology | ||
| Articles in Press, Accepted Manuscript, Available Online from 15 July 2025 PDF (1.72 M) | ||
| Document Type: Review Article | ||
| DOI: 10.21608/fsrt.2025.392487.1168 | ||
| Authors | ||
| A. Elaraby* 1; Khaled Faisal Qasim1; Shaimaa K. Mohamed1; E. A. El-Sharkawy1; Samar Abdelhamed2 | ||
| 1Department of Chemistry, Faculty of Science, Suez University, Suez, Egypt | ||
| 2Faculty of Engineering, Benha University | ||
| Abstract | ||
| Corrosion represents a worldwide challenge, imposing an economic burden exceeding $2.5 trillion each year and impacting metal structures across diverse sectors. Corrosion inhibitors play a crucial role in alleviating metal corrosion and are widely utilized in the domain of corrosion protection, owing to their effectiveness, affordability, and eco-friendly characteristics. Schiff base (Sb) is characterized by their fundamental property of being suitable candidates for evaluation as corrosion inhibitors across various metal/electrolyte systems. Sb has the ability to adsorb and create a surface film that mitigates corrosion, facilitated by their electron-rich centers, particularly the > C = N– (imine) moiety that exhibits strong interactions with metallic ions. Typically, electron-donating substituents such as –OH (hydroxyl), –CH3 (methyl), –NH2 (amino), and –OCH3 (methoxy) are believed to enhance the corrosion inhibition capabilities of Sb. This review article presents a compilation of information regarding corrosion phenomena of carbon steel (CS) and Sb as corrosion inhibitors. The interactions between Sb and CS surface at the molecular level are also addressed in this report. Furthermore, their associated inhibition mechanisms are elucidated through electrochemical techniques, surface characterization, adsorption isotherms, and theoretical analyses. In addition, this review aims to motivate researchers to explore the full potential of Sb as innovative CS corrosion inhibitor. | ||
| Keywords | ||
| Schiff base: Corrosion; carbon steel; EIS; PDP | ||
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