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Design and Manufacture of Fiber-Reinforced Polymer Composites

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Innovation of Polymer Science and Technology".

Deadline for manuscript submissions: 31 March 2026 | Viewed by 1004

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Guest Editor
School of Materials Science and Engineering, Jilin University, Changchun 130022, China
Interests: polymers composites; multi-point molding technology; intelligent manufacturing; bionic design
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Special Issue Information

Dear Colleagues,

Fiber-reinforced polymer materials combine the high-strength characteristics of fiber with the formability of the matrix. Owing to its advantages, such as light weight, high performance, and multi-functionality, fiber-reinforced polymer materials are widely applied in fields such as aerospace, automobiles, ships, and sports equipment. In this Special Issue, we will discuss a wide range of topics, including, but not limited to, the interface modification of fiber-reinforced polymer materials, advanced intelligent manufacturing methods for fiber-reinforced polymer materials, the design and forming of functional composite materials, the application of functional composite materials, and the properties of composite materials themselves. We hope that this Special Issue will contribute to the development of composite materials and thus highlight their significant potential.

Prof. Dr. Qigang Han
Guest Editor

Manuscript Submission Information

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Keywords

  • fiber-reinforced polymer material
  • lightweight
  • functional composites
  • advanced preparation method
  • interfacial modification
  • composites structure design
  • structural energy storage composite
  • structure–function-integrated devices

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Published Papers (2 papers)

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Research

16 pages, 5677 KB  
Article
Research on the Elastic–Plastic Behaviors of Bicontinuous Polymer Matrix and Carbon Fiber-Reinforced Composites Based on Micromechanical Modelling
by Bin Yao, Liang Ren, Guocheng Qi, Yukun Zhao, Zhen Xu, Long Chen, Dongmei Wang and Rui Zhang
Polymers 2025, 17(18), 2517; https://doi.org/10.3390/polym17182517 - 17 Sep 2025
Viewed by 334
Abstract
Due to the potential to integrate structural load bearing and energy storage within one single composite structural component, the development of carbon fiber (CF)-based structural power composites (SPCs) has garnered significant attention in electric aircraft, electric vehicles, etc. Building upon our previous investigation [...] Read more.
Due to the potential to integrate structural load bearing and energy storage within one single composite structural component, the development of carbon fiber (CF)-based structural power composites (SPCs) has garnered significant attention in electric aircraft, electric vehicles, etc. Building upon our previous investigation of the electrochemical performance of SPCs, this work focuses on elastic–plastic behaviors of the bicontinuous structural electrolyte matrices (BSEMs) and carbon fiber composite electrodes (CFCEs) in SPCs. Representative volume element (RVE) models of the BSEMs were numerically generated based on the Cahn–Hilliard equation. Furthermore, RVE models of the CFCEs were established, consisting of the BSEM and randomly distributed CFs. The moduli of BSEMs and the transverse moduli of CFCEs with different functional pore phase volume fractions were predicted and validated against experimental results. Additionally, the local plasticity of BSEMs and CFCEs in the tensile process was analyzed. The work indicates that the presence of the bicontinuous structure prolongs the plasticity evolution process, compared with the traditional polymer matrix, which could be used to explain the brittle-ductile transition observed in the matrix-dominated load-bearing process of CFCEs in the previous literature. This work is a step forward in the comprehensive interpretation of the elastic–plastic behaviors of bicontinuous matrices and multifunctional SPCs for realistic engineering applications. Full article
(This article belongs to the Special Issue Design and Manufacture of Fiber-Reinforced Polymer Composites)
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18 pages, 5076 KB  
Article
3D-Printed Continuous Flax Fiber-Reinforced Composites Based on a Dual-Resin System
by Yu Long, Zhongsen Zhang, Zhixiong Bi, Kunkun Fu and Yan Li
Polymers 2025, 17(18), 2515; https://doi.org/10.3390/polym17182515 - 17 Sep 2025
Viewed by 461
Abstract
Compared with traditional continuous plant fiber-reinforced thermoplastic composites, their 3D-printed counterparts offer distinct advantages in the rapid fabrication of complex geometries with integrated forming capabilities. However, the impregnation process of continuous plant fiber yarn with thermoplastic resin presents greater technical challenges compared to [...] Read more.
Compared with traditional continuous plant fiber-reinforced thermoplastic composites, their 3D-printed counterparts offer distinct advantages in the rapid fabrication of complex geometries with integrated forming capabilities. However, the impregnation process of continuous plant fiber yarn with thermoplastic resin presents greater technical challenges compared to conventional synthetic fibers (e.g., carbon or glass fibers) typically employed in continuous fiber composites, owing to the yarn’s unique twisted structure. In addition, low molding pressure during 3D printing makes resin impregnation more difficult. To address the impregnation difficulty within plant fiber yarn during 3D printing, we employed two low-viscosity resins, liquid thermoplastic resin (specifically, reactive methyl methacrylate) and thermosetting epoxy resin, to pre-impregnate flax yarns, respectively. A dual-resin prepreg filament is developed for 3D printing of flax fiber-reinforced composites, involving re-coating pre-impregnated flax yarns with polylactic acid. The experimental results indicate that liquid thermoplastic resin-impregnated composites exhibit enhanced mechanical properties, surpassing the epoxy system by 39% in tensile strength and 29% in modulus, attributed to improved impregnation and better interfacial compatibility. This preparation method demonstrates the feasibility of utilizing liquid thermoplastic resin in 3D-printed continuous plant fiber composites, offering a novel approach for producing highly impregnated continuous fiber filaments. Full article
(This article belongs to the Special Issue Design and Manufacture of Fiber-Reinforced Polymer Composites)
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