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Carbon Fiber and Its Composites: State of the Art and Perspectives

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: 10 July 2025 | Viewed by 590

Special Issue Editor


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Guest Editor
Carbon Fibre Engineering Research Center, Faculty of Materials Science, Shandong University, Jinan 250061, China
Interests: carbon fiber; composite materials

Special Issue Information

Dear Colleagues,

Carbon fiber has been widely used in aerospace, automotive, sports equipment, and other fields due to its excellent mechanical properties and lightweight characteristics. The current research direction focuses on improving the strength, modulus, and toughness of carbon fibers, as well as developing low-cost and high-efficiency production technologies. The research on composite materials focuses on improving resin matrix, enhancing interfacial bonding strength, and developing new thermoplastic composite materials to adapt to a wider range of industrial applications. In addition, as an emerging research hotspot, the integration of structural/energy storage composite materials aims to achieve the integration of energy storage and structural functions to meet the development needs of new energy vehicles and electric aircrafts. Future research will continue to explore the multifunctionality and intelligence of carbon fiber composite materials to meet higher standards of engineering application requirements.

Prof. Dr. Bo Zhu
Guest Editor

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Keywords

  • carbon fiber
  • mechanical properties
  • interfacial bonding strength
  • energy storage
  • multifunctionality

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Published Papers (1 paper)

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Research

16 pages, 5259 KiB  
Article
Modulating Carbon Fiber Surfaces with Vinyltriethoxysilane Grafting to Enhance Interface Properties of Carbon Fiber/Norbornene–Polyimide Composites
by Jianshun Feng, Guoqiang Kong, Meng Shao, Qiubing Yu, Guang Yu, Xin Ren, Wenjie Yuan, Wenbo Liu, Xinyu Wang, Kang Wang, Dayong Li, Chengrui Di and Bo Zhu
Materials 2024, 17(18), 4594; https://doi.org/10.3390/ma17184594 - 19 Sep 2024
Viewed by 525
Abstract
In this study, vinyltriethoxysilane (TEVS) was introduced onto the surface of carbon fiber using liquid-phase oxidation and impregnation methods to incorporate vinyl groups onto the carbon fiber, thereby enhancing the chemical bonding between the carbon fiber and norbornene–polyimide (PI-NA). Through a systematic study [...] Read more.
In this study, vinyltriethoxysilane (TEVS) was introduced onto the surface of carbon fiber using liquid-phase oxidation and impregnation methods to incorporate vinyl groups onto the carbon fiber, thereby enhancing the chemical bonding between the carbon fiber and norbornene–polyimide (PI-NA). Through a systematic study of the hydrolysis conditions and concentration of the TEVS solution, the optimal modification conditions were determined. These conditions were used to graft TEVS onto the surface of oxidized carbon fiber to prepare carbon-fiber-reinforced PI-NA composites (CF/PI-NA). The results show that when carbon fiber was treated with a 0.4 wt% TEVS solution, the interlaminar shear strength (ILSS) of the composites reached 65.12 MPa, and the interfacial shear strength (IFSS) reached 88.58 MPa, representing increases of 27.58% and 35.62%, respectively, compared to the CF/PI-NA composite materials prepared from untreated carbon fiber. It is worth noting that the modification method described in the study is simple and easy to implement, and it has the potential for large-scale continuous production applications. Full article
(This article belongs to the Special Issue Carbon Fiber and Its Composites: State of the Art and Perspectives)
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