Constructing Ti3C2Tx/Carbon fiber hybrids for enhancing the interfacial strength and erosion wear resistance of EP-based composite coating. (15th January 2023)

• Record Type: Journal Article
• Authors: Chen, Yufan; Wu, Yinghao; Zhao, Wenjie
• Is Part Of: Carbon. Volume 202(2023)Part 2
• Page Start: 196
• Page End: 206
• Publication Date: 2023-01-15
• Subjects: Carbon fiber -- Ti3C2Tx nanosheets -- Interfacial strengthening -- Erosion wear resistance -- Tribological properties; Carbon -- Periodicals; Carbone -- Périodiques; Koolstof; Toepassingen; Electronic journals; 546.681
• DOI: 10.1016/j.carbon.2022.11.006
• Languages: English
• ISSNs: 0008-6223

Abstract

Abstract: Composite coatings are indispensable for protecting the offshore steel materials serviced in the splash zone. But the mechanical properties of conventional epoxy resin (EP) coatings are poor, which would lead to a short-term lifespan. The carbon fiber (CF) with excellent mechanical properties is an ideal filler to reinforce the EP coating, thus we chemically grafted Ti3 C2 Tx nanosheets onto CF via dopamine to enhance the interface adhesion and compatibility between CFs and EP, and improve the mechanical strength and erosion wear resistance of CF/Ti3 C2 Tx composite coating. The flexural property of CF/Ti3 C2 Tx @EP coating was evaluated by a three-point bending test, and its flexural strength was increased by 26.97% compared with pure epoxy resin coating. The tribological behaviors and erosion wear resistance of composite coatings were tested using a UMT-3 tribometer and erosion test rig. A UMT-3 tribometer and erosion test rig were used to evaluate the tribological performances and erosion wear resistance for composite coatings. When contrasted to EP coating, CF/Ti3 C2 Tx @EP′ wear rate was lowered by 79.39%, and its erosion mass and volume were reduced, respectively, by 21.31% and 66.85%, this was ascribed to its enhanced interfacial combination strength with Ti3 C2 Tx /CF hybrids and EP. We investigated failure behavior and revealed the interfacial strengthening mechanism of the CF/Ti3 C2 Tx @EP composite coating, which would evoke widespread interest in developing high-performance and long-term protective composite coatings used in the splash zone of the marine environment. Graphical abstract: Image 1 Highlights: Carbon fiber was modified by Ti3 C2 Tx with assistance of dopamine and introduced into the epoxy resin. The erosion wear resistance mechanism of the CF/Ti3 C2 Tx @EP coating was studied in detail. The fiber/epoxy interface properties influenced the improvement of mechanical and tribological performance of coatings.