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Article

Towards the Development of Novel Hybrid Composite Steel Pipes: Electrochemical Evaluation of Fiber-Reinforced Polymer Layered Steel against Corrosion

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Mechanical Engineering Program, Texas A&M University at Qatar, Doha 23874, Qatar
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Department of Mechanical and Industrial Engineering, Qatar University, Doha 23874, Qatar
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Engineering Technology Department, Community College of Qatar, Doha 23874, Qatar
*
Author to whom correspondence should be addressed.
Academic Editors: Tao-Hsing Chen and Shih-Chen Shi
Polymers 2021, 13(21), 3805; https://doi.org/10.3390/polym13213805
Received: 26 August 2021 / Revised: 21 September 2021 / Accepted: 27 September 2021 / Published: 3 November 2021
(This article belongs to the Topic Multiple Application for Novel and Advanced Materials)
Corrosion remains one of the major and most costly challenges faced by the steel industry. Various fiber-reinforced polymer coating systems have been proposed to protect metallic piping distribution networks against corrosion. Despite increasing interest among scientific and industrial communities, there is only limited predictive capability for selecting the optimum composite system for a given corrosive condition. In this study, we present a comprehensive evaluation of the electrochemical behavior of two different fiber-reinforced polymer composite systems against the corrosion of carbon steel pipes under a wide range of acidic and corrosive solutions. The composites were made of glass and Kevlar fibers with an epoxy resin matrix and were subjected to corrosive solutions of 0.5 M NaCl, 0.5 M HCl, and 0.5 M H2SO4. The kinetics of the corrosion reactions were evaluated using potentiodynamic polarization (PDP) tests. In addition, electrochemical impedance spectroscopy (EIS) tests were carried out at open circuit potentials (OCPs). It was demonstrated that the glass fiber-reinforced polymer coating system offered the best protection against corrosion, with a high stability against deterioration when compared with epoxy and Kevlar fiber-reinforced polymer coating systems. Scanning electron microscopy images revealed cracks and deteriorated embedded fibers due to acid attack, sustained/assisted by the diffusion of the corrosion species. View Full-Text
Keywords: fiber-reinforced polymer; pipeline; corrosion; steel; composite fiber-reinforced polymer; pipeline; corrosion; steel; composite
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MDPI and ACS Style

Alabtah, F.G.; Mahdi, E.; Eliyan, F.F.; Eltai, E.; Khraisheh, M. Towards the Development of Novel Hybrid Composite Steel Pipes: Electrochemical Evaluation of Fiber-Reinforced Polymer Layered Steel against Corrosion. Polymers 2021, 13, 3805. https://doi.org/10.3390/polym13213805

AMA Style

Alabtah FG, Mahdi E, Eliyan FF, Eltai E, Khraisheh M. Towards the Development of Novel Hybrid Composite Steel Pipes: Electrochemical Evaluation of Fiber-Reinforced Polymer Layered Steel against Corrosion. Polymers. 2021; 13(21):3805. https://doi.org/10.3390/polym13213805

Chicago/Turabian Style

Alabtah, Fatima G., Elsadig Mahdi, Faysal F. Eliyan, Elsadig Eltai, and Marwan Khraisheh. 2021. "Towards the Development of Novel Hybrid Composite Steel Pipes: Electrochemical Evaluation of Fiber-Reinforced Polymer Layered Steel against Corrosion" Polymers 13, no. 21: 3805. https://doi.org/10.3390/polym13213805

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