Composites Part C Open Access最新文献

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Integration of composite-structure forming and optical fiber sensing using tool-change 3D printing 基于换刀3D打印的复合材料结构成型与光纤传感集成
IF 5.3
Composites Part C Open Access Pub Date : 2025-06-06 DOI: 10.1016/j.jcomc.2025.100611
Gen Watanabe , Issei Ogawa , Hiroshi Ikaida , Mitsuo Matsunaga , Ryosuke Matsuzaki
{"title":"Integration of composite-structure forming and optical fiber sensing using tool-change 3D printing","authors":"Gen Watanabe ,&nbsp;Issei Ogawa ,&nbsp;Hiroshi Ikaida ,&nbsp;Mitsuo Matsunaga ,&nbsp;Ryosuke Matsuzaki","doi":"10.1016/j.jcomc.2025.100611","DOIUrl":"10.1016/j.jcomc.2025.100611","url":null,"abstract":"<div><div>Using a tool-change 3D printer, this study investigated the integration of structural formation and functional enhancement in 3D printing. Traditionally, single-material printing is the standard, making the combination of mechanically robust structures, such as those using fiber-reinforced composites, and functional enhancements, such as conductive materials, challenging. In this study, a tool-change system was implemented to enable material-specific print-head operation, enabling the simultaneous fabrication of structural and functional elements in a single process. Moreover, to reduce the impact of internal defects in functional enhancement, this study explored printing methods for existing sensors. Focusing on optical fibers for their continuous thread-like structure, they were processed into filaments by combining them with resin. These filamentized optical fibers demonstrated the ability to achieve sub-millimeter precision in printing. Additionally, the optical fibers exhibited measurement accuracy comparable to conventional sensors, highlighting their suitability as high-performance sensing components. By incorporating optical fibers into 3D printing, this study enabled the stable integration of high-quality sensors into printed components. Utilizing a tool-changing approach, it demonstrated the feasibility of combining entirely different materials in a single process. This achievement highlights the potential of tool-change systems to advance multi-material 3D printing, balancing structural formation with functional integration, and laying the foundation for innovative applications in additive manufacturing.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100611"},"PeriodicalIF":5.3,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144262693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Novel geometric functionally graded auxetic double arrowhead lattice structures design: Tailored unit cell angles for superior energy absorption 新颖的几何功能梯度互补双箭头晶格结构设计:量身定制的单元格角度,具有卓越的能量吸收
IF 5.3
Composites Part C Open Access Pub Date : 2025-06-06 DOI: 10.1016/j.jcomc.2025.100613
Amin Dadashi , Kamel Hossein Nedjad , Amin Farrokhabadi , S.Amir M. Ghannadpour
{"title":"Novel geometric functionally graded auxetic double arrowhead lattice structures design: Tailored unit cell angles for superior energy absorption","authors":"Amin Dadashi ,&nbsp;Kamel Hossein Nedjad ,&nbsp;Amin Farrokhabadi ,&nbsp;S.Amir M. Ghannadpour","doi":"10.1016/j.jcomc.2025.100613","DOIUrl":"10.1016/j.jcomc.2025.100613","url":null,"abstract":"<div><div>Due to the importance of energy absorption in various industries, including aerospace, automotive, and marine, lightweight energy absorbers such as auxetic structures under in-plane loading have attracted significant attention. This study introduces and systematically investigates novel Geometric Functionally Graded (GFG) auxetic double arrowhead lattice structures, where performance enhancement is achieved by strategically varying the constituent unit cell angles along the loading direction—a distinct approach from conventional thickness-grading. The aim encompasses the design, fabrication (via Fused Filament Fabrication), and quasi-static compressive testing of thirteen distinct lattice configurations, including seven uniform and six GFG designs, with their mechanical behavior and energy absorption characteristics rigorously analyzed and validated through finite element simulations. Results indicated that the angle of the auxetic double arrowhead unit cell is the crucial geometric parameter affecting mechanical behavior and dominant failure modes. The volumetric energy absorption and specific volumetric energy absorption of the auxetic double arrowhead lattice structure with geometric functionally graded with α = 14° to 20° are 81 % and 173 % higher, respectively, compared to the uniform auxetic double arrowhead lattice structure with α = 10° In light of these findings, geometric functionally graded designs offer superior energy absorption performance for auxetic double arrowhead lattice structures with negative Poisson's ratio compared to conventional uniform arrangements.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100613"},"PeriodicalIF":5.3,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144270124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Behaviour of strengthened RC beams with CFRP and GSM sheets under cyclic loading 循环荷载作用下CFRP和GSM板加固RC梁的性能
IF 5.3
Composites Part C Open Access Pub Date : 2025-06-04 DOI: 10.1016/j.jcomc.2025.100617
Maha Assad, Rami A. Hawileh, Jamal A. Abdalla, Hussam Safieh, Sayan Kumar Shaw
{"title":"Behaviour of strengthened RC beams with CFRP and GSM sheets under cyclic loading","authors":"Maha Assad,&nbsp;Rami A. Hawileh,&nbsp;Jamal A. Abdalla,&nbsp;Hussam Safieh,&nbsp;Sayan Kumar Shaw","doi":"10.1016/j.jcomc.2025.100617","DOIUrl":"10.1016/j.jcomc.2025.100617","url":null,"abstract":"<div><div>This study investigates the structural behaviour of reinforced concrete (RC) beams subjected to cyclic loading. Four beam configurations were tested: a control beam (C) and beams externally strengthened with carbon fiber-reinforced polymer (CFRP) sheets, steel mesh sheets bonded with epoxy (SME), and steel mesh sheets bonded with mortar (SMM). The experimental program adhered to the evaluation criteria outlined by ACI437R-03. Although the tested beams satisfied the repeatability limit specified by the committee, the deviation from linearity and permanency limits could not be satisfied. The performance of the beams was also evaluated in terms of load-deflection behaviour, stiffness degradation, energy dissipation, and brittleness. The hysteresis loops of the tested beams revealed significant differences in energy dissipation. Strengthened beams exhibited larger hysteresis loop areas, reflecting their enhanced energy absorption and dissipation capacity. In contrast, the control beam demonstrated smaller and narrower loops. The SMM beam consistently outperformed other configurations, achieving the highest flexural load-carrying capacity and dissipation energy. Post-cyclic monotonic loading tests further evaluated the residual behaviour of the beams. The percentage increase in flexural strength ranged from 38 to 51 % compared to the control unstrengthened beam. Therefore, it is concluded that strengthening significantly improves the behaviour of RC beams under cyclic loading.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100617"},"PeriodicalIF":5.3,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144240982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of elevated temperature on basalt and glass FRP bars in prismatic beams under flexural loading 温度升高对柱面梁中玄武岩和玻璃钢筋受弯荷载的影响
IF 5.3
Composites Part C Open Access Pub Date : 2025-06-03 DOI: 10.1016/j.jcomc.2025.100616
Nour Ghazal Aswad , Mohammed Al Dawood , Farid Abed
{"title":"Effects of elevated temperature on basalt and glass FRP bars in prismatic beams under flexural loading","authors":"Nour Ghazal Aswad ,&nbsp;Mohammed Al Dawood ,&nbsp;Farid Abed","doi":"10.1016/j.jcomc.2025.100616","DOIUrl":"10.1016/j.jcomc.2025.100616","url":null,"abstract":"<div><div>Fiber-reinforced polymer (FRP) reinforcement has gained significant attention in research and structural applications due to its desirable mechanical properties and durability. Advances have been made in understanding FRP’s resistance to elevated temperatures; however, uncertainties persist due to inconsistencies in the available experimental data. This study presents an experimental investigation into the effects of various parameters on the performance of reinforced concrete (RC) prismatic beams exposed to elevated temperatures. Key parameters included reinforcement type (steel, Glass FRP (GFRP), and Basalt FRP (BFRP), bar diameter (16 mm and 20 mm), surface texture (ribbed and sand-coated), and concrete cover (40 mm and 60 mm). The prismatic beams were subjected to target temperatures of 200, 400, and 700 °C, followed by testing in a four-point loading setup. The experimental results revealed that BFRP-reinforced prismatic beams exhibited a 17 % higher residual load-carrying capacity and 32.3 % greater toughness at 200 °C and 400 °C, but a 22 % lower capacity and 26.9 % reduction in toughness at 700 °C compared to their GFRP-reinforced counterparts. Additionally, prismatic beams reinforced with sand-coated GFRP bars showed up to a 27 % improvement in load-carrying capacity compared to those with ribbed GFRP bars, and a larger concrete cover contributed to better overall flexural performance of the prismatic beams under elevated temperatures.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100616"},"PeriodicalIF":5.3,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144221026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
3D observation of delamination in carbon-fibre-reinforced composites under mode II loading through in situ computed tomography 通过原位计算机断层扫描观察II型载荷下碳纤维增强复合材料的分层
IF 5.3
Composites Part C Open Access Pub Date : 2025-06-03 DOI: 10.1016/j.jcomc.2025.100615
Panayiotis Tsokanas, Thanasis Chatziathanasiou, Yentl Swolfs
{"title":"3D observation of delamination in carbon-fibre-reinforced composites under mode II loading through in situ computed tomography","authors":"Panayiotis Tsokanas,&nbsp;Thanasis Chatziathanasiou,&nbsp;Yentl Swolfs","doi":"10.1016/j.jcomc.2025.100615","DOIUrl":"10.1016/j.jcomc.2025.100615","url":null,"abstract":"<div><div>Delamination is among the most prevalent life-limiting failure modes in laminated composites. Mode II delaminations, driven by in-plane shear loads, are more difficult to observe than mode I delaminations. Conventional edge observation techniques fail to capture the three-dimensional (3D) delamination front and its associated damage mechanisms. We conduct the first in situ X-ray computed tomography (CT) experiment to observe the 3D development of delamination under mode II loading. We apply four-point end-notched flexure loading to two types of thin-ply, carbon-fibre-reinforced composite laminates: a 0° laminate and a cross-ply laminate susceptible to delamination migration. The method is proven capable of capturing delamination growth and migration within the bulk of the laminates at the meso- and microscale, something unattainable using conventional techniques. This work thus demonstrates the benefits of in situ CT in determining the damage mechanisms involved in mode II fracture loading.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100615"},"PeriodicalIF":5.3,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144313006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of temperature and fibre reinforcement on dynamic crush performance of glass-polyamide 6 composite tubes 温度和纤维增强对玻璃-聚酰胺6复合材料管动态粉碎性能的影响
IF 5.3
Composites Part C Open Access Pub Date : 2025-06-02 DOI: 10.1016/j.jcomc.2025.100610
Holger Böhm , Jonas Richter , Jinbong Kim , Mungyu Jeong , Andreas Hornig , Maik Gude
{"title":"Effect of temperature and fibre reinforcement on dynamic crush performance of glass-polyamide 6 composite tubes","authors":"Holger Böhm ,&nbsp;Jonas Richter ,&nbsp;Jinbong Kim ,&nbsp;Mungyu Jeong ,&nbsp;Andreas Hornig ,&nbsp;Maik Gude","doi":"10.1016/j.jcomc.2025.100610","DOIUrl":"10.1016/j.jcomc.2025.100610","url":null,"abstract":"<div><div>In this study, the dynamic axial crushing response of tubular specimens made of glass-polyamide 6 composite material, with either mat or continuous bidirectional fibre reinforcement is experimentally investigated under three different temperature settings: −40 °<span><math><mi>C</mi></math></span>, 23 °<span><math><mi>C</mi></math></span> and 80 °<span><math><mi>C</mi></math></span>. The assessment and evaluation of the dynamic crush performance are based on the measured global force–displacement response, application of typical crashworthiness criteria and a detailed examination of the existing damage and failure phenomena, which are responsible for energy absorption. At temperatures of 23 °<span><math><mi>C</mi></math></span> and −40 °<span><math><mi>C</mi></math></span>, all specimens showed a stable progressive crushing process by a pronounced splaying failure. Specimens with mat fibre reinforcement show a more stable and efficient crushing behaviour than specimens with continuous bidirectional fibre reinforcement. This behaviour changes for a temperature of 80 °<span><math><mi>C</mi></math></span> where the continuous bidirectional reinforced specimens exhibit a higher crush efficiency, while specimens with mat fibre reinforcement show a very unstable crushing process, leading to local compressive kinking failure and a 22% decrease in crush efficiency.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100610"},"PeriodicalIF":5.3,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144306789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of mechanical, thermal, and tribological performance of activated carbon-glass/epoxy hybrid composites 活性炭-玻璃/环氧复合材料的机械、热、摩擦学性能研究
IF 5.3
Composites Part C Open Access Pub Date : 2025-06-01 DOI: 10.1016/j.jcomc.2025.100614
Om Prakash Minugu , Raghavendra Gujjala , Shakuntala Ojha , Deeraj Kumar Gara , Aswani Kumar Bandaru
{"title":"Investigation of mechanical, thermal, and tribological performance of activated carbon-glass/epoxy hybrid composites","authors":"Om Prakash Minugu ,&nbsp;Raghavendra Gujjala ,&nbsp;Shakuntala Ojha ,&nbsp;Deeraj Kumar Gara ,&nbsp;Aswani Kumar Bandaru","doi":"10.1016/j.jcomc.2025.100614","DOIUrl":"10.1016/j.jcomc.2025.100614","url":null,"abstract":"<div><div>The present study investigated activated carbon (AC) material, a biomass derivative, as a significant reinforcement for developing hybrid polymer composites for brake pad applications. Hybrid composites were manufactured using a simple hand lay-up technique utilizing different weight percentages of AC, silicon carbide, glass fiber (GF), and epoxy resin as constituents. This work investigated the mechanical performance, thermal stability, and wear properties of hybrid composites. Modifying composites with 2 % AC and 6 % glass fiber improved the tensile and flexural strengths by approximately 340 % and 206 %, respectively, compared to the neat epoxy. The thermogravimetric analysis suggested that incorporating AC contributed to the composites' thermal stability. Wear analysis suggested incorporating AC and GF strengthened composites for reducing two-body sliding wear. A 2 % AC and 6 % GF combination showed the maximum resistance against wear, with approximately 101 % less material loss than the pure epoxy. It also exhibited average coefficient of friction values in the range of 0.51 to 0.59 at different applied loads. The FESEM analysis of the fractured and worn surfaces of the composites revealed that fiber pull-outs and poor interfacial bonding are the primary phenomena responsible for the fracture of the composites.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100614"},"PeriodicalIF":5.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The role of ply clustering in the impact damage of woven carbon/epoxy laminates: An experimental-numerical study 碳/环氧复合材料层合板冲击损伤中层合层聚类作用的实验-数值研究
IF 5.3
Composites Part C Open Access Pub Date : 2025-05-24 DOI: 10.1016/j.jcomc.2025.100603
P.G. Rodríguez-Luján, R. del Cuvillo, J.M. Rodríguez-Sereno, J.A. Artero-Guerrero, D. Varas, J. Pernas-Sánchez
{"title":"The role of ply clustering in the impact damage of woven carbon/epoxy laminates: An experimental-numerical study","authors":"P.G. Rodríguez-Luján,&nbsp;R. del Cuvillo,&nbsp;J.M. Rodríguez-Sereno,&nbsp;J.A. Artero-Guerrero,&nbsp;D. Varas,&nbsp;J. Pernas-Sánchez","doi":"10.1016/j.jcomc.2025.100603","DOIUrl":"10.1016/j.jcomc.2025.100603","url":null,"abstract":"<div><div>This study investigates the impact behaviour of carbon/epoxy woven laminates through experimental and numerical analysis, with particular emphasis on the effects of ply clustering. Drop weight tower tests were performed for three different ply clustering configurations. In addition, 3D Digital Image Correlation (DIC) techniques were used to analyse out-of-plane displacements, providing a deeper insight into the phenomenon that triggers the failure mechanisms. Internal damage was further characterized using ultrasonic C-scan techniques to quantify the extent of damage. A major contribution of this work is the development of a three-dimensional constitutive model based on continuum damage mechanics that incorporates multiple failure mechanisms, with special attention to transverse shear damage. Numerical simulations of the drop-weight tower tests were performed for all three laminate configurations, validating the ability of the constitutive model to predict force and energy responses, as well as the failure mechanisms observed during the tests. The constitutive model was found to be useful in understanding the interaction between interlaminar and intralaminar failure mechanisms under out-of-plane loading conditions, such as drop weight tower tests and other impact scenarios. The study highlights the importance of laminate clustering for perforation resistance and the need to incorporate transverse shear damage into numerical models to accurately capture the perforation process.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100603"},"PeriodicalIF":5.3,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144205546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Data-driven discovery of the design rules for considering the curing deformation and the application on double-double composites 数据驱动下发现考虑固化变形的设计规则及其在双-双复合材料中的应用
IF 5.3
Composites Part C Open Access Pub Date : 2025-05-22 DOI: 10.1016/j.jcomc.2025.100612
Yizhuo Gui , Hongwei Song , Jinglei Yang , Cheng Qiu
{"title":"Data-driven discovery of the design rules for considering the curing deformation and the application on double-double composites","authors":"Yizhuo Gui ,&nbsp;Hongwei Song ,&nbsp;Jinglei Yang ,&nbsp;Cheng Qiu","doi":"10.1016/j.jcomc.2025.100612","DOIUrl":"10.1016/j.jcomc.2025.100612","url":null,"abstract":"<div><div>The process-induced deformation (PID) of composite laminates has been one of the critical problems for engineering structures. While lots of design rules has been proposed for standardize the laminate design, there is a lack of specific rule to follow when controlling PID is a necessity due to the numerous affecting parameters. In this regard, a data-driven framework was proposed in this paper to determine the layup rules to follow for minimizing PID. Two specific machine learning (ML) models were built. One is combined model of convolutional neural networks (CNN) and principle component analysis (PCA) technique for connecting the layup sequences and their corresponding PID. Another one is the symbolic regression model, as an explainable ML technique, to quantitatively evaluate this connection. With the training data generated from the robust numerical simulation, it is found that a proper asymmetry is the key intrinsic factor that makes a smaller PID as it will counteract with the contributions of other extrinsic mechanisms. More importantly, a formula for easy evaluation of the asymmetry is provided to assist in guiding the layup design considering PID constraints. The formula is applied on the design problem of double-double (DD) composites. With the proper asymmetry added onto the original DD layup, the DD composites show a clear improvement on controlling the PID.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100612"},"PeriodicalIF":5.3,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144137880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sustainable biobased composites manufactured via Joule heating curing with recycled carbon fibers 可持续生物基复合材料通过焦耳加热固化再生碳纤维
IF 5.3
Composites Part C Open Access Pub Date : 2025-05-13 DOI: 10.1016/j.jcomc.2025.100609
Liberata Guadagno , Luigi Vertuccio , Francesca Aliberti , Elisa Calabrese , Marialuigia Raimondo , Roberto Pantani , Raffaele Longo
{"title":"Sustainable biobased composites manufactured via Joule heating curing with recycled carbon fibers","authors":"Liberata Guadagno ,&nbsp;Luigi Vertuccio ,&nbsp;Francesca Aliberti ,&nbsp;Elisa Calabrese ,&nbsp;Marialuigia Raimondo ,&nbsp;Roberto Pantani ,&nbsp;Raffaele Longo","doi":"10.1016/j.jcomc.2025.100609","DOIUrl":"10.1016/j.jcomc.2025.100609","url":null,"abstract":"<div><div>The use and development of thermosetting composites are limited by several complex and interconnected environmental issues, such as the continued use of fossil-based resins and the high energy demand for fibers (especially carbon fibers) and composite manufacturing. In the present research, these three criticalities are discussed, proposing the design of highly performing bio-resin and the development of thermosetting composites with recycled carbon fibers using cutting-edge, low-energy demanding processes. Exploiting the electrical conductivity of the recycled carbon fibers mat, the composites have been cured directly via Joule heating, generating heat inside the component and reaching a temperature of about 180 °C, suitable to guarantee a high curing degree of the employed thermosetting resin. Thermal parameters (temperature and heating time) have been selected based on the preliminary characterization of the biobased epoxy resin. The composites obtained using this innovative approach manifest a glass transition temperature higher than 198 °C and a complete curing degree.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"17 ","pages":"Article 100609"},"PeriodicalIF":5.3,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144084278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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