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Journal articles on the topic 'Composites fibres de carbone recyclées'

Author: Grafiati

Published: 1 June 2024

Last updated: 31 July 2025

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1

Faure, Alexandre, Olivier Mantaux, and Arnaud Gillet. "Performances of composites made from different recycled carbon fibre semi-products." Journal of Physics: Conference Series 2526, no. 1 (2023): 012048. http://dx.doi.org/10.1088/1742-6596/2526/1/012048.

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Abstract Recycled carbon fibres (rCF) were generally chosen for their low price and environmental features. However, performances of composites made of recycled carbon fibres are often too low to compete with lightweight alloys and glass fibre composites materials. As performances of rCF composites depend strongly on the fibres architecture, new semi-products with long and aligned recycled carbon fibres were developed by MANIFICA (Cleansky European Project). The use of long (up to 250mm) and highly aligned recycled fibres now provides rCF composites with excellent mechanical properties. The pu

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2

Isa, Amiruddin, Norlin Nosbi, Mokhtar Che Ismail, Hazizan Md Akil, Wan Fahmin Faiz Wan Ali, and Mohd Firdaus Omar. "A Review on Recycling of Carbon Fibres: Methods to Reinforce and Expected Fibre Composite Degradations." Materials 15, no. 14 (2022): 4991. http://dx.doi.org/10.3390/ma15144991.

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Carbon fibres are widely used in modern industrial applications as they are high-strength, light in weight and more reliable than other materials. The increase in the usage of carbon fibres has led to the production of a significant amount of waste. This has become a global issue because valuable carbon fibre waste ends up in landfill. A few initiatives have been undertaken by several researchers to recycle carbon fibre waste; however, the properties of this recycled material are expected to be worse than those of virgin carbon fibre. The incorporation of polymers, nanoparticles and other hybr

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3

Bachmann, Jens, Martin Wiedemann, and Peter Wierach. "Flexural Mechanical Properties of Hybrid Epoxy Composites Reinforced with Nonwoven Made of Flax Fibres and Recycled Carbon Fibres." Aerospace 5, no. 4 (2018): 107. http://dx.doi.org/10.3390/aerospace5040107.

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Can a hybrid composite made of recycled carbon fibres and natural fibres improve the flexural mechanical properties of epoxy composites compared to pure natural fibre reinforced polymers (NFRP)? Growing environmental concerns have led to an increased interest in the application of bio-based materials such as natural fibres in composites. Despite their good specific properties based on their low fibre density, the application of NFRP in load bearing applications such as aviation secondary structures is still limited. Low strength NFRP, compared to composites such as carbon fibre reinforced poly

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4

Karuppannan Gopalraj, Sankar, and Timo Kärki. "A Study to Investigate the Mechanical Properties of Recycled Carbon Fibre/Glass Fibre-Reinforced Epoxy Composites Using a Novel Thermal Recycling Process." Processes 8, no. 8 (2020): 954. http://dx.doi.org/10.3390/pr8080954.

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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

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5

Faure, Alexandre, Olivier Mantaux, Arnaud Gillet, and Gilles Cazaurang. "New Intelligent Semi-Products based on Recycled Carbon Fibres." IOP Conference Series: Materials Science and Engineering 1226, no. 1 (2022): 012102. http://dx.doi.org/10.1088/1757-899x/1226/1/012102.

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Abstract The carbon fibre recycling industry is not yet able to operate at full capacity. This lack of potential is a repercussion of a low demand for recycled carbon fibres (rCF) to manufacture new composite materials. As a matter of fact, few semi-products containing recycled carbon fibres are available on the market. Moreover, rCF semi-products available do not allow to manufacture high performances composite parts. The MANIFICA project, based on highly realigned carbon fibres after steam thermolysis, aims at producing new semi-products from recycled carbon fibres for high performance compo

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6

Laurikainen, P., and E. Sarlin. "Viability of recycled fibres extracted from EoL composites." IOP Conference Series: Materials Science and Engineering 1293, no. 1 (2023): 012043. http://dx.doi.org/10.1088/1757-899x/1293/1/012043.

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Abstract Recycling thermoset-based composites is a technological and economic challenge. The predominating recycling methods (mechanical recycling and pyrolysis) downgrade the fibre properties (length, strength) and are energy-intensive. To avoid downcycling and to ensure economic feasibility, technological solutions need to be developed to enable recycling of long reinforcing fibres that can also be used in demanding applications. Thermochemical recycling, where reinforcing fibres are extracted from the depolymerized matrix, can be considered as an advanced option for recovery of higher quali

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Pomázi, Ákos, Dániel István Poór, Norbert Geier, and Andrea Toldy. "Optimising Recycling Processes for Polyimine-Based Vitrimer Carbon Fibre-Reinforced Composites: A Comparative Study on Reinforcement Recovery and Material Properties." Materials 17, no. 10 (2024): 2372. http://dx.doi.org/10.3390/ma17102372.

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We investigated the recycling process of carbon fibre-reinforced polyimine vitrimer composites and compared composites made from virgin and recycled fibres. The vitrimer matrix consisted of a two-component polyimine-type vitrimer system, and as reinforcing materials, we used nonwoven felt and unidirectional carbon fibre. Various diethylenetriamine (DETA) and xylene solvent ratios were examined to find the optimal dissolution conditions. The 20:80 DETA–xylene ratio provided efficient dissolution, and the elevated temperature (80 °C) significantly accelerated the process. Scaling up to larger co

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Sales-Contini, Rita C. M., Hugo M. S. Costa, Heide H. Bernardi, William M. M. Menezes, and Francisco J. G. Silva. "Mechanical Strength and Surface Analysis of a Composite Made from Recycled Carbon Fibre Obtained via the Pyrolysis Process for Reuse in the Manufacture of New Composites." Materials 17, no. 2 (2024): 423. http://dx.doi.org/10.3390/ma17020423.

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This work aims to obtain recycled carbon fibre and develop an application for this new material. The carbon fibres were obtained by recycling aerospace prepreg waste via the pyrolysis process. The recycled fibres were combined with an Araldite LH5052/Aradur LY5053 epoxy resin/hardener system using manual lay-up and vacuum bagging processes. For comparison, the same resin/hardener system was used to produce a composite using commercial carbon fibre. The recycled and commercial composites were subjected to flexural, tensile and Mode I testing. Fracture aspects were analysed via scanning electron

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De Fazio, Dario, Luca Boccarusso, Antonio Formisano, et al. "Mechanical and Solvothermal Recycling of End-of-Life Carbon Fibre-Reinforced Plastic Products: Process Feasibility and Flexural Performance of Recycled Composites." Polymers 17, no. 7 (2025): 878. https://doi.org/10.3390/polym17070878.

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The increasing demand for high-performance materials has led to an increase in the use of carbon fibre-reinforced plastics (CFRPs) in recent decades, increasing the waste from end-of-life materials and off-cuts. The recycling of CFRPs, especially when thermosetting matrices are used, still remains an open challenge for academia and industry, with chemical, thermal and mechanical strategies being explored. Among them, mechanical methods have garnered growing interest since they do not require high specific energy consumption or expensive apparatus. However, from the literature it was observed t

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Oliveira, Maria, Kim L. Pickering, and Christian Gauss. "Hybrid Polyethylene Composites with Recycled Carbon Fibres and Hemp Fibres Produced by Rotational Moulding." Journal of Composites Science 6, no. 11 (2022): 352. http://dx.doi.org/10.3390/jcs6110352.

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This study assessed polyethene composites produced by rotational moulding with hybrid reinforcement using recycled carbon fibre (RCF) and hemp fibre (HF). First, the RCF was treated with nitric acid to introduce hydroxyl groups on the fibres’ surface and was characterised by infrared spectroscopy and microscopy analyses. Although the fibre surface treatment improved the tensile properties of the composites, the use of grafted maleic anhydride polyethylene (MAPE) as a coupling agent was more effective in improving the interfacial bonding between the fibres and the matrix. Alkali-treated hemp fi

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Matrenichev, Vsevolod, Maria Clara Lessa Belone, Sarianna Palola, Pekka Laurikainen, and Essi Sarlin. "Resizing Approach to Increase the Viability of Recycled Fibre-Reinforced Composites." Materials 13, no. 24 (2020): 5773. http://dx.doi.org/10.3390/ma13245773.

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Most recycling methods remove the essential sizing from reinforcing fibres, and many studies indicate the importance of applying sizing on recycled fibres, a process we will denote here as resizing. Recycled fibres are not continuous, which dissociates their sizing and composite lay-up processes from virgin fibres. In this study, commercial polypropylene and polyurethane-based sizing formulations with an aminosilane coupling agent were used to resize recycled glass and carbon fibres. The impact of sizing concentration and batch process variables on the tensile properties of fibre-reinforced po

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Bouman, Naomi, Sofia Salles Lantyer Marques, Naiara Poli Veneziani Sebbe, et al. "Advancing Sustainability in Aerospace: Evaluating the Performance of Recycled Carbon Fibre Composites in Aircraft Wing Spar Design." Journal of Composites Science 9, no. 8 (2025): 384. https://doi.org/10.3390/jcs9080384.

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The aerospace industry is increasingly turning to composite materials due to their exceptional strength, stiffness, and beneficial physical properties. However, increased reliance on carbon fibre composites has substantial environmental implications, particularly concerning waste management. Recycling these materials is a potential solution to these sustainability issues, provided the recycled fibres retain adequate mechanical strength and durability. This study evaluates the mechanical capabilities of recycled carbon fibres in a scaled-down aircraft spar model (AMT-600 GURI), contrasting them

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Greco, Antonio, Alfonso Maffezzoli, Giuseppe Buccoliero, Flavio Caretto, and Giacinto Cornacchia. "Thermal and chemical treatments of recycled carbon fibres for improved adhesion to polymeric matrix." Journal of Composite Materials 47, no. 3 (2012): 369–77. http://dx.doi.org/10.1177/0021998312440133.

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The aim of this study is the characterization of recycled carbon fibres, in view of their potential application in long-fibre reinforced thermoplastic composite. The fibres were obtained from epoxy matrix composite panels, applying a patented process that includes the pyrolisis of the matrix followed by an upgrading of the fibres. Then, recycled fibres were further subjected to thermal and acid treatments in order to modify their surface morphology and chemistry. Scanning electron microscopy and energy dispersive spectrometry were used to characterize the morphological and compositional change

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Hengstermann, Martin, Karl Kopelmann, Andreas Nocke, Anwar Abdkader, and Chokri Cherif. "Development of a new hybrid yarn construction from recycled carbon fibres for high-performance composites: Part IV: Measurement of recycled carbon fibre length." Journal of Engineered Fibers and Fabrics 15 (January 2020): 155892502091072. http://dx.doi.org/10.1177/1558925020910729.

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Due to the increasing application of carbon fibre–reinforced plastics, the use of recycled carbon fibres can help reduce the tremendous amount of carbon fibre waste growing worldwide. In this context, the processing of longer recycled carbon fibres (>40 mm mean length) into hybrid yarn constructions offers a promising solution. The characterisation of recycled carbon fibre length is essential for textile processes. However, to suit the atypical fibre characteristics of recycled carbon fibres compared to standard natural or man-made-fibres, the development of an adequate measuring technique

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Santo, Loredana, Denise Bellisario, Leandro Iorio, et al. "Composite Laminates with Recycled Carbon Fibres and Carbon Nanotubes." Materiale Plastice 57, no. 1 (2020): 86–91. http://dx.doi.org/10.37358/mp.20.1.5315.

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Carbon fibre reinforced composites were manufactured by using recycled carbon fibres (CF) and carbon nanotubes (CNT). Dry fabrics were impregnated by hot melting with 1 wt% CNT filled epoxy resin to produce prepregs. Subsequently, composite laminates were manufactured by vacuum bagging and autoclave moulding. Only materials and industrial equipment were used for the laminate production. Laminates with unfilled resin and virgin CFs were also manufactured for comparison. Samples were extracted for physical and mechanical measurements. Dynamic mechanical analyses and bending tests were carried ou

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16

Zhang, Zhiwei. "Recovery and reuse of thermosetting carbon fibre reinforced composites." Applied and Computational Engineering 60, no. 1 (2024): 141–47. http://dx.doi.org/10.54254/2755-2721/60/20240859.

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With the widespread application of carbon fibre composites in sectors such as automotive, aerospace, and construction, recycling and reusing these materials have become crucial for reducing environmental impact and resource waste. This article summarises the potential of recycled carbon fibres in additive manufacturing by describing the main techniques, tools, and benefits and drawbacks of mechanical, thermal, and chemical recycling of carbon fibre composites. Notably, oxidation in air at 400450C for 15-20 minutes can greatly improve the tensile characteristics of thermally treated carbon fibr

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Hofmann, Marcel, Dirk Wenzel, Bernd Gulich, Heike Illing-Günther, and Daisy Nestler. "Development of Nonwoven Preforms Made of Pure Recycled Carbon Fibres (rCF) for Applications of Composite Materials." Key Engineering Materials 742 (July 2017): 555–61. http://dx.doi.org/10.4028/www.scientific.net/kem.742.555.

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For the development of an efficient and economic recycling process of carbon fibers (CF) still many technological challenges have to be mastered. One of them is the removal of all extraneous natural and synthetic fibres, e.g. polyester sewing threads. The objective of the research was to develop an in-line process for the removal of those extraneous fibres, which result from mechanical processes such as tearing. A promising approach for the removal of extraneous fibres from cut-off carbon-fibre material (CF) has been identified, getting recycled carbon fibres (rCF). For that purpose, the use o

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18

Akonda, MH, M. Stefanova, P. Potluri, and DU Shah. "Mechanical properties of recycled carbon fibre/polyester thermoplastic tape composites." Journal of Composite Materials 51, no. 18 (2016): 2655–63. http://dx.doi.org/10.1177/0021998316672091.

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The increasing use of high-value carbon fibre in composites is linked with increasing waste generation: from dry fibre and prepreg offcuts during manufacturing to end-of-life parts. In this work, a novel thermoplastic tape was produced from 60 wt.% manufacturing waste carbon fibres (60 mm long) and 40 wt.% polyester fibres using a thermal consolidation technique. The thin (0.2 mm) and narrow (20 mm wide) tapes were then used to fabricate laminated composite panels in two 0/90 tape architectures: cross-ply and woven ply. Various mechanical properties, including tensile, flexural, compression an

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Karuppannan Gopalraj, Sankar, Ivan Deviatkin, Mika Horttanainen, and Timo Kärki. "Life Cycle Assessment of a Thermal Recycling Process as an Alternative to Existing CFRP and GFRP Composite Wastes Management Options." Polymers 13, no. 24 (2021): 4430. http://dx.doi.org/10.3390/polym13244430.

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There are forecasts for the exponential increase in the generation of carbon fibre-reinforced polymer (CFRP) and glass fibre-reinforced polymer (GFRP) composite wastes containing valuable carbon and glass fibres. The recent adoption of these composites in wind turbines and aeroplanes has increased the amount of end-of-life waste from these applications. By adequately closing the life cycle loop, these enormous volumes of waste can partly satisfy the global demand for their virgin counterparts. Therefore, there is a need to properly dispose these composite wastes, with material recovery being t

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Mironovs, Viktors, Yulia Usherenko, Irina Boiko, and Jekaterina Kuzmina. "Recycling of Aluminum-Based Composites Reinforced with Boron-Tungsten Fibres." Materials 15, no. 9 (2022): 3207. http://dx.doi.org/10.3390/ma15093207.

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High strength fibres of carbon, boron, silicon carbide, tungsten, and other materials are widely used to reinforce metal matrix composite materials. Carbon and boron fibers are usually used to reinforce light alloys based on aluminum and magnesium. Products made from these materials are characterized by high strength and rigidity and can be used for a long time. Technological waste containing such fibres are hazardous to the environment because they are durable and have needle-like and other sharp shapes. Therefore, they must be disposed of with extreme care. A significant incentive for the pr

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Gopalan, Venkatachalam, Rahul Vyas, Ishangiri Goswami, Abhi Shah, and Vignesh Pragasam. "Flexural Analysis of Epoxy Polymer Composite Reinforced With Sugarcane Fibre/Fly Ash/Carbon-Nanotube." International Journal of Surface Engineering and Interdisciplinary Materials Science 9, no. 1 (2021): 87–99. http://dx.doi.org/10.4018/ijseims.2021010106.

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The concept of reuse and recycle plays a very important role in using waste materials effectively. Fabrication of green composites, which adopts the reinforcement of natural and biodegradable fibres in place of synthetic fibres, is a constructive way to achieve reusability and recyclability. Hence, the sugarcane fibre, fly ash, and carbon nano tube are selected as reinforcement/filler materials for fabricating epoxy polymer matrix composite. This work is intended to investigate the flexural behaviour of the fabricated epoxy polymer composite by varying the wt. % of CNT/sugarcane fibre/fly ash.

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Karuppannan Gopalraj, Sankar, and Timo Kärki. "A Finite Element Study to Investigate the Mechanical Behaviour of Unidirectional Recycled Carbon Fibre/Glass Fibre–Reinforced Epoxy Composites." Polymers 13, no. 18 (2021): 3192. http://dx.doi.org/10.3390/polym13183192.

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Recycled carbon fibre–reinforced epoxy (rCF/EP) composites and recycled glass fibre–reinforced epoxy (rGF/EP) composites were numerically investigated to examine their mechanical properties, such as uniaxial tensile and impact resistance, using finite element (FE) methods. The recycled composites possess unidirectional, long and continuous fibre arrangements. A commercially available Abaqus/CAE software was used to perform an explicit non-linear analysis with a macroscale modelling approach, assuming the recycled composites as both homogenous and isotropic hardening. Five composite types were

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Tse, Barbara, Xueli Yu, Hugh Gong, and Constantinos Soutis. "Flexural Properties of Wet-Laid Hybrid Nonwoven Recycled Carbon and Flax Fibre Composites in Poly-Lactic Acid Matrix." Aerospace 5, no. 4 (2018): 120. http://dx.doi.org/10.3390/aerospace5040120.

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Recycling carbon fibre is crucial in the reduction of waste from the increasing use of carbon fibre reinforced composites in industry. The reclaimed fibres, however, are usually short and discontinuous as opposed to the continuous virgin carbon fibre. In this work, short recycled carbon fibres (rCF) were mixed with flax and poly-lactic acid (PLA) fibres acting as the matrix to form nonwoven mats through wet-laying. The mats were compression moulded to produce composites with different ratios of rCF and flax fibre in the PLA matrix. Their flexural behaviour was examined through three-point-bend

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Dvořáčková, Štěpánka, and Dora Kroisová. "Thermal Expansion of Composite System Epoxy Resin/Recycled Carbon Fibers." Materials Science Forum 994 (May 2020): 162–69. http://dx.doi.org/10.4028/www.scientific.net/msf.994.162.

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This experimental study deals with the problematics of thermal expansion α [10-6/K] of the composite systems based on recycled carbon fibres reinforced epoxy resin. The epoxy resin CHS – EPOXY 520 (EPOXY 15), cured with the hardener P11 (Districhem, s.r.o.), was chosen as a sample matrix. Recycled carbon fibres with a diameter of 7 μm and a length of 100 μm (Easy Composites Ltd.) were the filler. In the experiment, samples with the fulfilment of 10, 20, 40, 60, 80, 90 and 100 phr were prepared. The samples were being poured into silicone molds, cured at an overpressure of 0.7 MPa and a tempera

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Zhang, Jinlong, Hang Liu, Shyam S. Sablani, and Qinglin Wu. "Recycling Functional Fillers from Waste Tires for Tailored Polystyrene Composites: Mechanical, Fire Retarding, Electromagnetic Field Shielding, and Acoustic Insulation Properties—A Short Review." Materials 17, no. 11 (2024): 2675. http://dx.doi.org/10.3390/ma17112675.

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Polymer waste is currently a big and challenging issue throughout the world. Waste tires represent an important source of polymer waste. Therefore, it is highly desirable to recycle functional fillers from waste tires to develop composite materials for advanced applications. The primary theme of this review involves an overview of developing polystyrene (PS) composites using materials from recycled tires as fillers; waste tire recycling in terms of ground tire rubbers, carbon black, and textile fibers; surface treatments of the fillers to optimize various composite properties; and the mechanic

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Mashelmie, S., M. Rabiatul Manisah, N. Bahiyah Baba, and A. Mohd. "The effect of kenaf loading on kenaf/ABS composites structure and thermal properties." Journal of Achievements in Materials and Manufacturing Engineering 111, no. 2 (2022): 49–56. http://dx.doi.org/10.5604/01.3001.0015.9994.

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Many manufacturers have recently become interested in using fiber-reinforced polymer composites (FRPs) in structural applications. Synthetic fibres, such as carbon and glass fibres, have been commercialised internationally for decades, but they cause environmental issues because synthetic fibres are non-biodegradable and difficult to recycle once they have served their purpose, potentially polluting the environment. Thus, natural fibre composites like kenaf is a possible replacement for synthetic fibre due to their superior physical and mechanical properties. Kenaf appears to be the best candi

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Martínez-Franco, Enrique, Victor Alfonzo Gomez Culebro, and E. A. Franco-Urquiza. "Technologies for Mechanical Recycling of Carbon Fiber-Reinforced Polymers (CFRP) Composites: End Mill, High-Energy Ball Milling, and Ultrasonication." Polymers 16, no. 16 (2024): 2350. http://dx.doi.org/10.3390/polym16162350.

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Carbon fiber reinforced polymer (CFRP) composites have very high specific properties, which is why they are used in the aerospace, wind power, and sports sectors. However, the high consumption of CFRP compounds leads to a high volume of waste, and it is necessary to formulate mechanical recycling strategies for these materials at the end of their useful life. The recycling differences between cutting-end mills and high-energy ball milling (HEBM) were evaluated. HEBM recycling allowed us to obtain small recycled particles, but separating their components, carbon fiber, epoxy resin, and CFRP par

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Ghanbari, Abbas, Amirjalal Jalali, Mohammadreza Nofar, Al Mamun, and Mohammad Arjmand. "Extrinsic toughening of recycled carbon fibers in polypropylene composites in the absence of plasticity penalty." Journal of Composite Materials 56, no. 6 (2022): 941–50. http://dx.doi.org/10.1177/00219983211068095.

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Advanced composite materials used in high-tech fields are widely reinforced with carbon fibers. One of the growing application areas for carbon fibers is their reinforced composites which are used to replace metallic automotive parts. This reduces carbon footprint through weight reduction, which is a strategy pursued globally to reduce the environmental impacts of passenger vehicles. In this study, we assess the reinforcement potential of recycled carbon fibers in a polypropylene (PP) homopolymer with high strength and flowability. The highly crystalline PP homopolymer with low impact properti

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Boulanghien, M., M. R’Mili, G. Bernhart, F. Berthet, and Y. Soudais. "Mechanical Characterization of Carbon Fibres Recycled by Steam Thermolysis: A Statistical Approach." Advances in Materials Science and Engineering 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/8630232.

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The recent development of technologies for recycling carbon fibre reinforced plastics (CFRPs) leads to the need to evaluate the mechanical response of recycled carbon fibres. As these fibres are likely to be degraded during the recycling treatment, it is very important to determine their tensile residual properties so as to evaluate their ability as reinforcement for new composite materials. Carbon fibres reclaimed by a steam-thermal treatment applied to degrade the epoxy resin matrix of a CFRP are here analysed. Two conditions were chosen so as to reach two degradation efficiency levels of th

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Seo, Young-Rok, Sang-U. Bae, Birm-June Kim, Min Lee, and Qinglin Wu. "Hybrid effects of carbon fiber and nanoclay as fillers on the performances of recycled wood-plastic composites." BioResources 15, no. 4 (2020): 7671–86. http://dx.doi.org/10.15376/biores.15.4.7671-7686.

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Waste wood-plastic composite (WPC) was used in this work as a raw material to produce recycled WPCs reinforced with carbon fiber and nanoclay. To evaluate the synergistic effects of carbon fiber and nanoclay, various performances (i.e., microstrucural, mechanical, thermal, water absorption, and electrical properties) were investigated. Scanning electron micrographs and X-ray diffraction analysis of the fillers (carbon fiber and nanoclay) present in the recycled WPCs showed that the nanoclays were properly intercalated when filled with carbon fibers. According to mechanical property analysis, h

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Jiang, Qihong, Guiyong Chen, Abhideep Kumar, et al. "Sustainable Sandwich Composites Manufactured from Recycled Carbon Fibers, Flax Fibers/PP Skins, and Recycled PET Core." Journal of Composites Science 5, no. 1 (2020): 2. http://dx.doi.org/10.3390/jcs5010002.

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European union end of life vehicle directive mandates the use of more sustainable/recyclable materials in automotive industries. Thermoplastics matrix-based composites allow recyclability of composites at the end of life; however, their processing technology is more challenging than thermoset composites. Manufacturing process and mechanical testing of sustainable sandwich composite made from sustainable materials: flax, recycled carbon fiber, polypropylene, and recycled PET foam are presented in this article. High pressure compression molding with adhesive thermoplastic polymer film was used f

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Lepak-Kuc, Sandra, Mateusz Kiciński, Przemyslaw P. Michalski, et al. "Innovative Biochar-Based Composite Fibres from Recycled Material." Materials 14, no. 18 (2021): 5304. http://dx.doi.org/10.3390/ma14185304.

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Carbon materials are becoming crucial in several industrial sectors. The drawbacks of these materials include their high cost and oil-based essence. In recent years, recycled materials have become possible alternative sources of carbon with several advantages. Firstly, the production of this alternative source of carbon may help to reduce biomass disposal, and secondly, it contributes to CO2 sequestration. The use of carbon derived from recycled materials by a pyrolysis treatment is called biochar. Here, we present composite materials based on different biochar filler contents dispersed in sev

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Khurshid, Muhammad Furqan, Martin Hengstermann, Mir Mohammad Badrul Hasan, Anwar Abdkader, and Chokri Cherif. "Recent developments in the processing of waste carbon fibre for thermoplastic composites – A review." Journal of Composite Materials 54, no. 14 (2019): 1925–44. http://dx.doi.org/10.1177/0021998319886043.

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The aim of this paper is to highlight recent developments in the processing of waste carbon fibre for thermoplastic composites. Initially, injection moulding and nonwoven technologies have been used to integrate waste carbon fibres into fibre-reinforced thermoplastic composites. Recently, tape and hybrid yarn spinning technologies have been developed to produce tape and hybrid yarn structures from waste carbon fibre, which are then used to manufacture recycled carbon fibre-reinforced thermoplastics with much higher efficiency. The hybrid yarn spinning technologies enable the development of var

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Barnett, Philip R., and Hicham K. Ghossein. "A Review of Recent Developments in Composites Made of Recycled Carbon Fiber Textiles." Textiles 1, no. 3 (2021): 433–65. http://dx.doi.org/10.3390/textiles1030023.

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Carbon fiber recycling has garnered significant attention in recent years due to the large volume of manufacturing waste and upcoming end-of-life products that will enter the waste stream as the current generation of aircraft is retired from service. Recycled carbon fibers have been shown to retain most of their virgin mechanical properties, but their length is generally reduced such that continuous fiber laminates cannot be remade. As such, these fibers are typically used in low-performance applications including injection molding, extrusion/compression molding, and 3D printing that further d

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Roux, Maxime, Nicolas Eguémann, Clemens Dransfeld, Frédéric Thiébaud, and Dominique Perreux. "Thermoplastic carbon fibre-reinforced polymer recycling with electrodynamical fragmentation." Journal of Thermoplastic Composite Materials 30, no. 3 (2016): 381–403. http://dx.doi.org/10.1177/0892705715599431.

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The end of life of carbon fibre-reinforced polymer (CFRP) structures represents a major challenge to the aerospace industry, as new European regulations are demanding recycling solutions that can be complicated and expensive to apply. This study aims to address new practical ways to recycle CFRP materials. CFRP materials with a polyether ether ketone (PEEK) matrix were fragmented via electrodynamical fragmentation, which exhibits several benefits compared to mechanical shredding processes, especially for composites commonly found in the aerospace industry. The fragments are characterized and r

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Kortmann, Jan, and Stefan Minar. "Contribution of Carbon Concrete Construction to the Circular and Resource Economy." Buildings 13, no. 11 (2023): 2851. http://dx.doi.org/10.3390/buildings13112851.

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Fibre-reinforced composites are used in many industries. In the construction industry, for example, the building material carbon concrete is increasingly being used successfully. Although the demand for fibre-reinforced composites and fibre-reinforced plastics made of carbon fibres has risen continuously by approximately 11% per year over the last 10 years, there is currently still no coherent integration of fibre-containing waste into the corresponding material cycles. In addition, there are ever-increasing requirements for environmental and climate protection, which necessitate a transformat

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Goethals, Frederik, Elke Demeyer, Isabel De Schrijver, and Myriam Vanneste. "Pretreating Recycled Carbon Fiber Nonwoven with a Sizing Formulation to Improve the Performance of Thermoplastic Recycled Fiber-Reinforced Composites." Polymers 16, no. 4 (2024): 561. http://dx.doi.org/10.3390/polym16040561.

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Pyrolysis is already an established recycling method to recover the carbon fibers of end-of-life composites. However, the pyrolysis process removes the fiber sizing. Fiber sizing is a critical step in composite material production, influencing adhesion, protection and overall performance. In this study, recycled carbon nonwoven reinforcements made from pyrolyzed carbon fibers were pretreated to improve the mechanical properties of polyamide and polypropylene composites. The pretreatment involved applying specific coatings (sizings) on the nonwoven by spraying. Pretreated and non-pretreated com

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RUAN, FANGTAO, QINGYONG YANG, BOBO ZHANG, XINYU XIE, LI YANG, and ZHENZHEN XU. "Tensile and impact properties of chopped carbon fibre reinforced thermoplastics with multiple recycle and regenerate." Industria Textila 74, no. 02 (2023): 223–29. http://dx.doi.org/10.35530/it.074.02.202225.

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The increasing use of high-value carbon fibre in composites is linked with increasing waste generation. A simple and feasible chopped/hot-press method was proposed for multiple recycled carbon fibre-reinforced thermoplastic composites. The effect of regeneration times on the tension and impact properties of carbon fibre-reinforced polypropylene thermoplastic composites was investigated experimentally. The results showed that the r1-CFRTP specimen decreased by 69.34% in tensile strength and 48.66 % in tensile modulus compared with v-CFRTP. However, its tensile properties were improved with the

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Balaga, Uday Kiran, Aydin Gunes, Tekin Ozdemir, et al. "Optimization of the Recycling Process for Aligned Short Carbon Fiber TuFF Composites." Recycling 10, no. 2 (2025): 55. https://doi.org/10.3390/recycling10020055.

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Recycling of carbon fibers enables a sustainable feedstock for industrial applications of high-performance composite materials. This allows light weighting with recycled carbon fibers due to their superior mechanical properties while reducing the high embodied energy and cost of virgin carbon fiber composites. This study optimizes a pyrolysis cycle for fiber recovery of an aerospace-grade thermoset prepreg and a cleaning (oxidation) step to minimize fiber degradation and left-over resin residue, enabling dispersion and alignment of the recycled, discontinuous fibers in the Tailorable Universal

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Palola, Sarianna, Pekka Laurikainen, Sonia García-Arrieta, Egoitz Goikuria Astorkia, and Essi Sarlin. "Towards Sustainable Composite Manufacturing with Recycled Carbon Fiber Reinforced Thermoplastic Composites." Polymers 14, no. 6 (2022): 1098. http://dx.doi.org/10.3390/polym14061098.

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Currently, the vast majority of composite waste is either landfilled or incinerated, causing a massive burden on the environment and resulting in the loss of potentially valuable raw material. Here, conventional pyrolysis and reactive pyrolysis were used to reclaim carbon fibers from aeronautical scrap material, and to evaluate the feasibility of using reclaimed carbon fibers in structural components for the automotive sector. The need for fiber sizing was investigated as well as the behavior of the fiber material in macroscopic impact testing. The fibers were characterized with the single fib

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Zhi, Qingong, Wenhan Guan, and Yongjing Guo. "Pyrolysis Process of Microwave-Enhanced Recovery of Sucker Rod Carbon Fiber Composite." International Journal of Heat and Technology 40, no. 1 (2022): 151–56. http://dx.doi.org/10.18280/ijht.400118.

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This paper recycles and reuses sucker rod carbon fiber composite by microwave technique. The high temperature dielectric parameters of sucker rod carbon fiber composite were tested with the perturbation technique of cylindrical resonator. The structure and performance of the recovered carbon fiber samples were characterized by testing methods like scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), and X-ray diffractometer (XRD). The results show that: the carbon fiber of sucker rod is good at absorbing microwaves. During microwave pyrolysis, the heating rate c

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Pozegic, Thomas R., Samantha Huntley, Marco L. Longana, et al. "Improving Dispersion of Recycled Discontinuous Carbon Fibres to Increase Fibre Throughput in the HiPerDiF Process." Materials 13, no. 7 (2020): 1544. http://dx.doi.org/10.3390/ma13071544.

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In order to increase the material throughput of aligned discontinuous fibre composites using technologies such as HiPerDiF, stability of the carbon fibres in an aqueous solution needs to be achieved. Subsequently, a range of surfactants, typically employed to disperse carbon-based materials, have been assessed to determine the most appropriate for use in this regard. The optimum stability of the discontinuous fibres was observed when using the anionic surfactant, sodium dodecylbenzene sulphonate, which was superior to a range of other non-ionic and anionic surfactants, and single-fibre fragmen

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Ajoku, Chinedu A., Anaclet Turatsinze, and Ariane Abou-Chakra. "Use of fibres in improving the mechanical properties of a multifunctional cement for structural repair purposes." MATEC Web of Conferences 364 (2022): 04002. http://dx.doi.org/10.1051/matecconf/202236404002.

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Calcium phosphate cement (CPC) is a multifunctional cement whose potential application depends on the reactants used to synthesise it. Just like many inorganic cements, the pure CPCs synthesised in all cases are very brittle and have low toughness values under loading. In this research, the CPC material is formed from the exothermic reaction between phosphoric acid and calcium silicate at controlled room temperature. Three fibre types, namely; macro polypropylene fibres, amorphous metallic fibres and recycled carbon fibres were chosen due to their corrosion resistance in acid to enhance the me

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Nartam, Sudhanshu, Sandip Budhe, and Jinu Paul. "Carbon Fiber/Epoxy Vitrimer Composite Material for Pressure Vessels: Towards Development of Sustainable Materials." Materials Science Forum 1123 (July 18, 2024): 89–93. http://dx.doi.org/10.4028/p-dzac8g.

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The main aim of the research work is to develop a sustainable vitrimer composite that can be easily recyclable and reusable carbon fibre for secondary applications. Vitrimer materials provide opportunities for recycle thermosets and CFRP composites, however, the retained properties of composite still limit their applications. In this research work, the focus is to investigate material properties of vitamer/carbon fiber composite and the retained properties after recycling of the same. A vitrimer material has been developed using an epoxy (EP) matrix and bio-based curing agent and citric acid (

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Rouhi, Mohammad S., Magdalena Juntikka, Johan Landberg, and Maciej Wysocki. "Assessing models for the prediction of mechanical properties for the recycled short fibre composites." Journal of Reinforced Plastics and Composites 38, no. 10 (2019): 454–66. http://dx.doi.org/10.1177/0731684418824404.

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Processing of polymer fibre composites has a remarkable influence on their mechanical performance. These mechanical properties are even more influenced when using recycled reinforcement. Therefore, we place particular attention on the evaluation of micromechanical models to estimate the mechanical properties and compare them against the experimental results of the manufactured composites from recycled carbon fibre material. For the manufacturing process, an epoxy matrix and carbon fibre production cut-offs as reinforcing material are incorporated using a vacuum infusion process. In addition, c

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Law, Mei Lin, Qumrul Ahsan, Hairul Effendy Ab Maulod, Noraiham Mohamad, and Sivaraos. "Wear Behaviour of Cryogenic Treated Recycled Carbon Fibers Filled Epoxy Composite." Applied Mechanics and Materials 761 (May 2015): 489–93. http://dx.doi.org/10.4028/www.scientific.net/amm.761.489.

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Mechanically ground recycled carbon fibers (rCFs) reinforced polymer composites were investigated in this paper. The rCFs were collected from the woven prepreg waste. The as-received (rCFs-AR) and cyclic cryogenic treated (rCFs-T) carbon fibers were incorporated separately in the epoxy matrix composite. The objective of this study is to study the wear behaviour of the epoxy composites with respect to the as-received and treated rCFs. Prior to the composite fabrication, the surface morphologies of rCFs-AR and rCFs-T were examined with the scanning electron microscope (SEM). It is found that the

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Annandarajah, Langhorst, Kiziltas, Grewell, Mielewski, and Montazami. "Hybrid Cellulose-Glass Fiber Composites for Automotive Applications." Materials 12, no. 19 (2019): 3189. http://dx.doi.org/10.3390/ma12193189.

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: In the recent years, automakers have been striving to improve the carbon footprint of their vehicles. Sustainable composites, consisting of natural fibers, and/or recycled polymers have been developed as a way to increase the “green content” and reduce the weight of a vehicle. In addition, recent studies have found that the introduction of synthetic fibers to a traditional fiber composite such as glass filled plastics, producing a composite with multiple fillers (hybrid fibers), can result in superior mechanical properties. The objective of this work was to investigate the effect of hybrid f

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Kováčová, Mária, Jana Kozakovičová, Michal Procházka, et al. "Novel Hybrid PETG Composites for 3D Printing." Applied Sciences 10, no. 9 (2020): 3062. http://dx.doi.org/10.3390/app10093062.

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This paper is focused on the preparation of novel hybrid polymer composite materials for 3D filaments. As the reinforcing filler, expanded graphite, carbon fibers, and combinations thereof were used in various ratios up to 10%. The mechanical and thermal properties of virgin and recycled polyethylene phthalate glycol-modified (PETG) composite materials were determined. Almost all prepared composite materials were suitable for 3D printing and they have enhanced mechanical properties compared to the neat PETG matrices. Addition of the fillers to both polymer matrices has an only slight effect on

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Shah, Niyati, Joseph Fehrenbach, and Chad A. Ulven. "Hybridization of Hemp Fiber and Recycled-Carbon Fiber in Polypropylene Composites." Sustainability 11, no. 11 (2019): 3163. http://dx.doi.org/10.3390/su11113163.

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In recent years there has been a substantial growth in the use of natural fiber reinforced composite in more advanced applications. However, high strength applications require high mechanical properties. Hybridization of natural fibers with synthetic fibers is an effective method of increasing the field of application and mechanical properties. The effects of hybridizing hemp (Cannabis sativa L.) fiber with recycled-carbon fiber were investigated in this study to determine the trends in mechanical properties resulting from varied weight fractions. Characterization of void content was accomplis

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Merighi, Stefano, Laura Mazzocchetti, Tiziana Benelli, and Loris Giorgini. "Adenine as Epoxy Resin Hardener for Sustainable Composites Production with Recycled Carbon Fibers and Cellulosic Fibers." Polymers 12, no. 12 (2020): 3054. http://dx.doi.org/10.3390/polym12123054.

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In this work, Adenine is proposed, for the first time, as a cross-linker for epoxy resins. Adenine is an amino-substituted purine with heterocyclic aromatic structure showing both proton donors, and hydrogen bonding ability. DSC studies show that adenine is able to positively cross-link a biobased DGEBA-like commercial epoxy precursor with good thermal performance and a reaction mechanism based on a 1H NMR investigation has been proposed. The use of such a formulation to produce composite with recycled short carbon fibers (and virgin ones for the sake of comparison), as well as jute and linen

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