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Open AccessEditor’s ChoiceArticle

Durability of an Epoxy Resin and Its Carbon Fiber- Reinforced Polymer Composite upon Immersion in Water, Acidic, and Alkaline Solutions

1
School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China
2
International and Inter University Centre for Nanoscience and Nanotechnology (IIUCNN), Mahatma Gandhi University, Kerala 686560, India
3
Shengli Oilfield Company, China Petroleum & Chemical Corporation (SINOPEC), Dongying 257100, China
*
Author to whom correspondence should be addressed.
Polymers 2020, 12(3), 614; https://doi.org/10.3390/polym12030614
Received: 19 January 2020 / Revised: 17 February 2020 / Accepted: 4 March 2020 / Published: 7 March 2020
(This article belongs to the Special Issue Epoxy Resins and Composites)
The usage of polymer composites in various engineering fields has increased. However, the long-term service performance of such materials under aggressive conditions is still poorly understood, which limits the development of safe and economically effective designs. In this study, the aging of an epoxy resin and its carbon fiber-reinforced polymer (CFRP) composites upon immersion in water, acidic, and alkaline solutions was evaluated at different temperatures. The service life of the CFRP composites under various conditions could be predicted by the Arrhenius theory. The thermal and mechanical analysis results indicated that the CFRP composites were more vulnerable to HCl owing to the higher moisture absorption and diffusion of HCl into their cracks. The scanning electron microscopy results showed that the polymer matrix was damaged and degraded. Therefore, to allow long-term application, CFRP composites must be protected from acidic environments. View Full-Text
Keywords: durability; aging conditions; carbon fiber-reinforced polymer (CFRP); glass transition temperature (Tg); service life prediction; degradation durability; aging conditions; carbon fiber-reinforced polymer (CFRP); glass transition temperature (Tg); service life prediction; degradation
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MDPI and ACS Style

Uthaman, A.; Xian, G.; Thomas, S.; Wang, Y.; Zheng, Q.; Liu, X. Durability of an Epoxy Resin and Its Carbon Fiber- Reinforced Polymer Composite upon Immersion in Water, Acidic, and Alkaline Solutions. Polymers 2020, 12, 614. https://doi.org/10.3390/polym12030614

AMA Style

Uthaman A, Xian G, Thomas S, Wang Y, Zheng Q, Liu X. Durability of an Epoxy Resin and Its Carbon Fiber- Reinforced Polymer Composite upon Immersion in Water, Acidic, and Alkaline Solutions. Polymers. 2020; 12(3):614. https://doi.org/10.3390/polym12030614

Chicago/Turabian Style

Uthaman, Arya; Xian, Guijun; Thomas, Sabu; Wang, Yunjia; Zheng, Qiang; Liu, Xiaoling. 2020. "Durability of an Epoxy Resin and Its Carbon Fiber- Reinforced Polymer Composite upon Immersion in Water, Acidic, and Alkaline Solutions" Polymers 12, no. 3: 614. https://doi.org/10.3390/polym12030614

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