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Coatings
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Novel Advances in Multi-Layer Fibre-Reinforced Composites
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Novel Advances in Multi-Layer Fibre-Reinforced Composites

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: closed (20 August 2024) | Viewed by 4650

Special Issue Editors

Prof. Dr. Kunkun Fu

E-Mail Website
Guest Editor
School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 201804, China
Interests: advanced materials; mechanics of materials; composite material; applied mechanics; finite element analysis
Special Issues, Collections and Topics in MDPI journals
Dr. Bin Yang

E-Mail Website
Guest Editor
School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai, China
Interests: impact damage of composite materials; residual strength of composite materials with imprecations
Dr. Yuan Chen

E-Mail Website
Guest Editor
School of System Design and Intelligent Manufacturing (SDIM), Southern University of Science and Technology, Shenzhen 518055, China
Interests: additive manufacturing; composites; modelling; design optimisation; metamaterials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Advanced multi-layer composite structures are attracting increasing attention in industrial applications due to their excellent mechanical performance and multifunctionality as compared to their metallic counterparts. As such, the development of advanced composite structures can achieve a variety of engineering goals and offer engineers many mechanical and functional advantages, with limited drawbacks such as brittleness. At present, several novel modelling methods and manufacturing techniques for advanced multi-layer composites have been developed, which are essential to boost the applications of advanced composite structures in several industrial fields.

In this Special Issue, research- and application-related submissions sharing promising techniques and strategies on the topic of novel manufacturing techniques, modelling methods, mechanical characterisation and the applications of advanced multi-layer composite structures, and all other related fields, are all welcomed.

The Special Issue presents the latest advances in, and a comprehensive coverage of, novel manufacturing techniques, modelling methods, mechanical/functional characterisation and the applications of advanced multi-layer composite structures. Topics of interest include, but are not limited to:

  • Advanced manufacturing technology such as 3D printing.
  • Novel modelling techniques towards the design and manufacturing of multi-layer composite structures.
  • Novel design methods and approaches (theoretical, computational, etc.).
  • Mechanical/functional characterisation of multi-layer fibre-reinforced polymer composite structures (e.g., reinforcement with continuous fibres, short fibres or nanoparticles).
  • Life-cycle assessment (e.g., fatigue, corrosion resistance and durability analysis).
  • Composite response under extreme conditions (e.g., impact, blast, lightning strike).
  • Advanced engineering applications (aerospace, automotive, etc.).

We look forward to receiving your contributions.

Prof. Dr. Kunkun Fu
Dr. Bin Yang
Dr. Yuan Chen
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • fibre-reinforced composites
  • numerical modelling
  • mechanical characterisation
  • manufacturing techniques
  • extreme conditions
  • engineering applications

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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Research

16 pages, 9381 KiB  
Article
Mechanical Performance/Cost Ratio Analysis of Carbon/Glass Interlayer and Intralayer Hybrid Composites
by Weili Wu
Coatings 2024, 14(7), 810; https://doi.org/10.3390/coatings14070810 - 28 Jun 2024
Viewed by 806
Abstract
Hybrid composites combining carbon and glass fibers are increasingly studied for their potential to enhance mechanical properties and cost efficiency. Understanding how different hybrid structures influence these properties is critical for optimizing material design and application. In this paper, the mechanical properties of [...] Read more.
Hybrid composites combining carbon and glass fibers are increasingly studied for their potential to enhance mechanical properties and cost efficiency. Understanding how different hybrid structures influence these properties is critical for optimizing material design and application. In this paper, the mechanical properties of carbon/glass (C/G) interlayer and intralayer hybrid composites, including tensile, compressive, and flexural properties, were tested, and the cost performances of hybrid composites were analyzed to assess the economic feasibility of different stacking configurations. It was revealed that the specific tensile, compressive, and flexural modulus/cost and strength/cost ratios of interlayer and intralayer hybrid composites decreased with increasing carbon fiber content, indicating that adding carbon fiber reduced cost performance. With the combined hybrid ratio and the interlayer structure with glass fiber sandwiching carbon fiber, the tensile and compressive properties were the most cost-effective. When the dispersion degree of the intralayer hybrid structure was 0, the tensile and compressive properties were the most cost-effective. Specifically, for intralayer hybrid composites with a dispersion degree of 0 and C:G = 1:4, the specific tensile strength/cost ratio was 6.7 × 104 N·m/USD, and the specific compressive modulus and strength/cost ratio was 3.8 × 106 N·m/USD and 4.7 × 103 N·m/USD, respectively. However, the flexural performance/cost ratio was found to be opposite to the tensile and compressive results. When carbon fiber was distributed in the bottom layer or used to sandwich the glass fiber, the flexural performance/cost ratio of interlayer hybrid composites was nearly as good as that of glass fiber. Moreover, by considering the working condition of composites, the cost performance of mechanical properties can be optimized and improved through careful design of hybrid ratios and stacking structures. Full article
(This article belongs to the Special Issue Novel Advances in Multi-Layer Fibre-Reinforced Composites)
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15 pages, 5432 KiB  
Article
Experimental and Modelling of Lightning Damage to Carbon Fibre-Reinforced Composites under Swept Stroke
by Chengzhao Kuang, Kunkun Fu, Juhyeong Lee, Huixin Zhu, Qizhen Shi and Xiaoyu Cui
Coatings 2023, 13(12), 2048; https://doi.org/10.3390/coatings13122048 - 5 Dec 2023
Viewed by 1517
Abstract
Lightning swept stroke creates multiple lightning attachments along an aircraft in flight. This introduces distinct structural damage compared to that from a single-point lightning current injection test in laboratory. This study presents both experimental and numerical studies on lightning damage in carbon fibre-reinforced [...] Read more.
Lightning swept stroke creates multiple lightning attachments along an aircraft in flight. This introduces distinct structural damage compared to that from a single-point lightning current injection test in laboratory. This study presents both experimental and numerical studies on lightning damage in carbon fibre-reinforced polymer (CFRP) composites under swept stroke. Coupled electrical–thermal finite element (FE) models were proposed to predict lightning damage to CFRP composites under single-point current injection and swept stroke, respectively. A lightning swept stroke testing method was proposed by embedding a copper wire inside the composites to simulate multiple lightning attachments on the composites. The FE-predicted damage from single-point current injection and swept stroke were comparable to those obtained from the experiments with a deviation less than 23%, demonstrating the effectiveness of the proposed FE model. Finally, the FE model was further utilised to gain insights into the failure mechanism of CFRP composites under swept stroke associated with different skip distances and peak currents. This paper provides an experimental method and a FE model for obtaining the LS damage of CFRP composite by swept stroke. Full article
(This article belongs to the Special Issue Novel Advances in Multi-Layer Fibre-Reinforced Composites)
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24 pages, 21784 KiB  
Article
Tensile Failure Behaviors and Theories of Carbon/Glass Hybrid Interlayer and Intralayer Composites
by Weili Wu
Coatings 2023, 13(4), 774; https://doi.org/10.3390/coatings13040774 - 16 Apr 2023
Cited by 4 | Viewed by 1723
Abstract
Hybrid composites combine various types of fiber that not only provide an effective method to minimize material costs but also enhance the mechanical properties of composites. The tensile fracture behaviors of hybrid composites are more complex than single-fiber composites due to various reinforcing [...] Read more.
Hybrid composites combine various types of fiber that not only provide an effective method to minimize material costs but also enhance the mechanical properties of composites. The tensile fracture behaviors of hybrid composites are more complex than single-fiber composites due to various reinforcing fibers and hybrid effects, and the relationship between tensile behaviors and hybrid structures is not clear. In this paper, various structures of C/G (carbon/glass) interlayer and intralayer hybrid composites were designed, and tensile behaviors were investigated; it revealed that tensile failure is characterized by the synergistic effect and failure acceleration effect. Second, the tensile properties of interlayer and intralayer hybrid composites with various hybrid ratios and stacking structures were systematically analyzed; our results demonstrated that the tensile strength of interlayer and intralayer hybrid composites was predominantly impacted by the hybrid ratio of C/G and increased with the increase in carbon fiber content. For interlayer hybrid composites, with the assistance of the synergistic effect, excellent tensile strength could be obtained for the glass fiber sandwiched carbon fiber structure. For intralayer hybrid composites, the tensile strength was small, while the dispersion degree was high. We compared the tensile properties with theoretically calculated values based on the rule of mixing (ROM) and revealed that the tensile modulus and strength of interlayer and intralayer hybrid composites exhibited a positive hybrid effect. This work serves as a foundation for the structural optimization and potential applications of C/G non-crimp hybrid composites. Full article
(This article belongs to the Special Issue Novel Advances in Multi-Layer Fibre-Reinforced Composites)
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