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Fiber Reinforced Polymer Composites

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Fibers".

Deadline for manuscript submissions: closed (20 October 2024) | Viewed by 4191

Special Issue Editor


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Guest Editor
Department of Engineering, University of Palermo, Viale delle Scienze, 90128 Palermo, Italy
Interests: biocomposites reinforced by natural fibers; hybrid joints between metals and composites materials; implementation and characterization of innovative sandwich structures; residual stress analysis by mechanical methods; strain measurement by electrical strain gauges
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Special Issue Information

Dear Colleagues,

The increasing utilization of natural or recyclable fiber-based composites across diverse industries, coupled with the demand for high-performance fiber-reinforced resin composites, underscores the ongoing quest for advanced materials with enhanced properties. This demand extends across a wide spectrum of industrial sectors, including aerospace, automotive, electronics, and construction, highlighting the multifaceted applications of these innovative materials. Consequently, research efforts aimed at optimizing mechanical attributes and developing novel applications for these composites remain critical in meeting evolving industry requirements and advancing sustainability goals.

Therefore, as Guest Editor of the Special Issue entitled “Fiber-Reinforced Polymer Composites”, which will be published by Polymers this year, I invite you to submit a paper covering your recent research results on fibrous composite(s) with polymer matrix(es), taking into account your known expertise in the field of composite materials, proven by your various publications in this research area.

Polymers is one of MDPI's open access journals (ISSN 2073-4360; IF:5.0; ranking 16/90 (Q1) in Polymer Science, indexed in Web of Science), whose article processing charge (APC) for each accepted paper is CHF 2700, which includes the English editing service.

For any questions regarding technical issues or the journal itself, please contact Ms. Andreea Tigau at [email protected], the Special Issue Editor of Polymers.

I hope that you will find this topic interesting, and I look forward to potentially collaborating with you in the near future.

Best regards,
Prof. Dr. Bernardo Zuccarello
Guest Editor

Manuscript Submission Information

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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. Polymers is an international peer-reviewed open access semimonthly 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 2700 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

  • fiber-reinforced polymer composites (FRPCs)
  • mechanical performance of FRPCs
  • testing and characterization of FRPCs
  • aging of FRPCs due to environmental parameters
  • hybrid FRPCs and their applications
  • fiber treatments for polymer composites

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Published Papers (2 papers)

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Research

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21 pages, 20127 KiB  
Article
Machine Learning-Driven Flexural Performance Prediction and Experimental Investigation of Glass Fiber-Reinforced Polymer Bar-Reinforced Concrete Beams
by Muhammet Karabulut
Polymers 2025, 17(6), 713; https://doi.org/10.3390/polym17060713 - 7 Mar 2025
Viewed by 208
Abstract
This study experimentally examines the flexural performance, crack formation patterns, and failure mechanisms of glass fiber-reinforced polymer (GFRP) bar-reinforced concrete beams with varying concrete compressive strengths (low, moderate, and high), addressing a gap in the current literature. Furthermore, it employs an innovative machine [...] Read more.
This study experimentally examines the flexural performance, crack formation patterns, and failure mechanisms of glass fiber-reinforced polymer (GFRP) bar-reinforced concrete beams with varying concrete compressive strengths (low, moderate, and high), addressing a gap in the current literature. Furthermore, it employs an innovative machine learning approach to enhance analysis. Nine RC beams reinforced with GFRP bars, having concrete compressive strengths of low (CC20), moderate (CC30), and high (CC40), each measuring 150 × 200 × 1100 mm, were fabricated and tested under three-point bending conditions. Through the integration of three-point bending tests and machine learning-based prediction models, this study connects experimental findings with advanced analytical approaches. One of the key innovations in this study is the use of eighteen ML regression models implemented with Python’s PyCaret library, achieving an impressive average prediction accuracy of 91.5% for RC beam deflection values. In particular, the Ada Boost Regressor and Gradient Boosting Regressor models performed exceptionally well on GFRP bar-reinforced concrete beams, providing the highest number of consistent and highly accurate predictions, making them very useful tools for GFRP bar-reinforced beam ultimate load-carrying capacity/deflection predictions. The outcomes identified clear failure mechanisms: RC beams with CC20, CC30, and CC40 concrete compressive strengths typically developed a single, large flexural crack at the midpoint. Although the ultimate load-carrying capacity of GFRP bar RC beams improved with higher concrete compressive strength, CC20 and CC30 beams displayed more ductile failure behavior than CC40 beams. The ultimate load-carrying capacity of CC40 RC beams was determined to be approximately 74% higher than that of CC20 RC beams. Regardless of the concrete compressive strength class, the absence of shear cracks and the prevention of sudden failure under bending in GFRP bar-reinforced concrete beams are considered major advantages of using GFRP bar reinforcement. Full article
(This article belongs to the Special Issue Fiber Reinforced Polymer Composites)
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Review

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34 pages, 2550 KiB  
Review
Additive Manufacturing of Continuous Fiber-Reinforced Polymer Composites via Fused Deposition Modelling: A Comprehensive Review
by Muhammad Azfar Jamal, Owaisur Rahman Shah, Usman Ghafoor, Yumna Qureshi and M. Raheel Bhutta
Polymers 2024, 16(12), 1622; https://doi.org/10.3390/polym16121622 - 7 Jun 2024
Cited by 6 | Viewed by 2958
Abstract
Additive manufacturing (AM) has arisen as a transformative technology for manufacturing complex geometries with enhanced mechanical properties, particularly in the realm of continuous fiber-reinforced polymer composites (CFRPCs). Among various AM techniques, fused deposition modeling (FDM) stands out as a promising method for the [...] Read more.
Additive manufacturing (AM) has arisen as a transformative technology for manufacturing complex geometries with enhanced mechanical properties, particularly in the realm of continuous fiber-reinforced polymer composites (CFRPCs). Among various AM techniques, fused deposition modeling (FDM) stands out as a promising method for the fabrication of CFRPCs due to its versatility, ease of use, flexibility, and cost-effectiveness. Several research papers on the AM of CFRPs via FDM were summarized and therefore this review paper provides a critical examination of the process-printing parameters influencing the AM process, with a focus on their impact on mechanical properties. This review covers details of factors such as fiber orientation, layer thickness, nozzle diameter, fiber volume fraction, printing temperature, and infill design, extracted from the existing literature. Through a visual representation of the process parameters (printing and material) and properties (mechanical, physical, and thermal), this paper aims to separate out the optimal processing parameters that have been inferred from various research studies. Furthermore, this analysis critically evaluates the current state-of-the-art research, highlighting advancements, applications, filament production methods, challenges, and opportunities for further development in this field. In comparison to short fibers, continuous fiber filaments can render better strength; however, delamination issues persist. Various parameters affect the printing process differently, resulting in several limitations that need to be addressed. Signifying the relationship between printing parameters and mechanical properties is vital for optimizing CFRPC fabrication via FDM, enabling the realization of lightweight, high-strength components for various industrial applications. Full article
(This article belongs to the Special Issue Fiber Reinforced Polymer Composites)
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