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Processes
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Recent Advances in Fiber-Reinforced Epoxy Composites and Their Applications
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Recent Advances in Fiber-Reinforced Epoxy Composites and Their Applications

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Manufacturing Processes and Systems".

Deadline for manuscript submissions: closed (15 February 2022) | Viewed by 19971

Special Issue Editor

Dr. Danuta Matykiewicz

E-Mail Website
Guest Editor
Institute of Materials Technology, Faculty of Mechanical Engineering, Poznan University of Technology, Piotrowo 3, 61-138 Poznań, Poland
Interests: fiber-reinforced composites; hybrid composites; natural fiber; materials characterization; thermomechanical properties; mechanical properties

Special Issue Information

Dear Colleagues,

Fiber-reinforced epoxy composites are applied in different industries due to their favorable mechanical properties, resistance to chemical and atmospheric conditions, and low weight. The epoxy matrix connected with rigid fiber makes it possible to obtain construction materials with high stiffness and strength. In view of the multitude of technological and material solutions, designing a composite material requires consideration of the chemical and physical interactions between all components. Therefore, the influence of manufacturing methods, type of fibrous reinforcement used, and reactive or nonreactive modifiers on the epoxy composites’ properties are still attractive topics of research. The epoxy matrix is often reinforced using many types of synthetic and natural fibers, such as glass, carbon, basalt, aramid, ramie, hemp, jute, and flax. Moreover, using the simultaneous modification of the epoxy matrix with filler or modifier and reinforcing fiber, significant improvements to the thermomechanical properties can be achieved.

This Special Issue on "Recent Advances in Fiber-Reinforced Epoxy Composites and Their Applications" aims to present advances in the preparation and modification methods, properties assessment depending on the types of modifier, fibers, and areas of the application of the fiber-reinforced epoxy composites.                    

Topics include but are not limited to:

- Novel preparation methods of fiber-reinforced epoxy composites;

- The effect of fiber treatment on the properties of the epoxy composites;

- Influence of nano or micro modification on the fiber-reinforced epoxy composites properties;

- Multi-layer hybrid epoxy composites;

- Review on the application of fiber-reinforced epoxy materials and their properties;

- Multi-criteria assessment of mechanical, thermal, tribological, and structural properties.

Dr. Danuta Matykiewicz
Guest Editor

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. Processes 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 2400 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 epoxy composites
  • hybrid epoxy composites
  • epoxy resin modification
  • fiber treatment
  • natural fiber
  • composites manufacturing
  • mechanical properties
  • thermal properties

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Published Papers (3 papers)

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Research

20 pages, 15341 KiB  
Article
Experimental Investigation of the Mechanical Properties and Fire Behavior of Epoxy Composites Reinforced by Fabrics and Powder Fillers
by Kamila Sałasińska, Mikelis Kirpluks, Peteris Cabulis, Andrejs Kovalovs, Eduard Skukis, Paweł Kozikowski, Maciej Celiński, Kamila Mizera, Marta Gałecka, Kaspars Kalnins and Ugis Cabulis
Processes 2021, 9(5), 738; https://doi.org/10.3390/pr9050738 - 22 Apr 2021
Cited by 9 | Viewed by 2684
Abstract
Different types of fabrics, such as aramid (A), carbon (C), basalt (B), glass (G), and flax (F), as well as powder fillers, were used to manufacture the epoxy-based hybrid composites by the hand-lay-up method. In this work, a few research methods, including hardness, [...] Read more.
Different types of fabrics, such as aramid (A), carbon (C), basalt (B), glass (G), and flax (F), as well as powder fillers, were used to manufacture the epoxy-based hybrid composites by the hand-lay-up method. In this work, a few research methods, including hardness, flexural tests, puncture impact behavior, as well as cone calorimetry (CC) measurements, were applied to determine the impact of type fillers and order of fabrics on the performance and burning behavior of hybrid composites. The mechanical properties were evaluated to correlate with the microstructure and consider together with thermogravimetric analysis (TGA) data. Full article
(This article belongs to the Special Issue Recent Advances in Fiber-Reinforced Epoxy Composites and Their Applications)
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16 pages, 5956 KiB  
Article
A Study to Investigate the Mechanical Properties of Recycled Carbon Fibre/Glass Fibre-Reinforced Epoxy Composites Using a Novel Thermal Recycling Process
by Sankar Karuppannan Gopalraj and Timo Kärki
Processes 2020, 8(8), 954; https://doi.org/10.3390/pr8080954 - 8 Aug 2020
Cited by 29 | Viewed by 6218
Abstract
Manufacturing-based carbon fibre-reinforced polymer (CFRP) and glass fibre-reinforced polymer (GFRP) wastes (pre-consumer waste) were recycled to recover valuable carbon fibres (CFs) and glass fibres (GFs), utilising a novel thermal recycling process with a cone calorimeter setup. The ideal conditions to recycle both the [...] Read more.
Manufacturing-based carbon fibre-reinforced polymer (CFRP) and glass fibre-reinforced polymer (GFRP) wastes (pre-consumer waste) were recycled to recover valuable carbon fibres (CFs) and glass fibres (GFs), utilising a novel thermal recycling process with a cone calorimeter setup. The ideal conditions to recycle both the fibres occurred at 550 °C in atmospheric pressure. The processing time in the batch reactor to recycle CFs was 20–25 min, and to recycle GFs it was 25–30 min. The recovery rate of the recycled CFs was 95–98 wt%, and for GFs it was 80–82 wt%. Both the recycled fibres possessed a 100–110 mm average length. The resin phase elimination was verified by employing scanning electron microscopy (SEM). Furthermore, the fibres were manually realigned, compression moulded at room temperature, and cured for 24 h by a laminating epoxy resin system. The newly manufactured CFRP and GFRP composites were continuous (uniform length from end to end), unidirectionally oriented (0°), and non-woven. The composites were produced in two fibre volumes: 40 wt% and 60 wt%. The addition of ≈20 wt% recycled CFs increased the tensile strength (TS) by 12%, young modulus (YM) by 34.27% and impact strength (IS) by 7.26%. The addition of ≈20 wt% recycled GFs increased the TS by 75.14%, YM by 12.23% and the IS by 116.16%. The closed-loop recycling approach demonstrated in this study can effectively recycle both CFRP and GFRP manufacturing wastes. Preserving the structural integrity of the recycled fibres could be an advantage, enabling recycling for a specified number of times. Full article
(This article belongs to the Special Issue Recent Advances in Fiber-Reinforced Epoxy Composites and Their Applications)
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13 pages, 3871 KiB  
Article
Biochar as an Effective Filler of Carbon Fiber Reinforced Bio-Epoxy Composites
by Danuta Matykiewicz
Processes 2020, 8(6), 724; https://doi.org/10.3390/pr8060724 - 22 Jun 2020
Cited by 56 | Viewed by 9514
Abstract
The goal of this work was to investigate the effect of the biochar additive (2.5; 5; 10 wt.%) on the properties of carbon fiber-reinforced bio-epoxy composites. The morphology of the composites was monitored by scanning electron microscopy (SEM), and the thermomechanical properties by [...] Read more.
The goal of this work was to investigate the effect of the biochar additive (2.5; 5; 10 wt.%) on the properties of carbon fiber-reinforced bio-epoxy composites. The morphology of the composites was monitored by scanning electron microscopy (SEM), and the thermomechanical properties by dynamic mechanical thermal analysis (DMTA). Additionally, mechanical properties such as impact strength, flexural strength andtensile strength, as well as the thermal stability and degradation kinetics of these composites were evaluated. It was found that the introduction of biochar into the epoxy matrix improved the mechanical and thermal properties of carbon fiber-reinforced composites. Full article
(This article belongs to the Special Issue Recent Advances in Fiber-Reinforced Epoxy Composites and Their Applications)
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