Composites Part C Open Access最新文献

{"title":"Comprehensive mechanical performance optimization of NOL ring manufactured by laser-assisted thermoplastic filament winding","authors":"Lei Zu,&nbsp;Jianguo Wang,&nbsp;Helin Pan,&nbsp;Qian Zhang,&nbsp;Guiming Zhang,&nbsp;Qiaoguo Wu,&nbsp;Jianhui Fu,&nbsp;Lichuan Zhou","doi":"10.1016/j.jcomc.2026.100824","DOIUrl":"10.1016/j.jcomc.2026.100824","url":null,"abstract":"<div><div>Process parameters exert a significant impact on the mechanical properties of thermoplastic composites during the laser-aided fiber winding procedure. In this study, the interactive impact of process conditions, including laser power, winding speed, mold temperature, and winding tension, on the tensile properties and interlaminar shear strength (ILSS) of the NOL ring is investigated. Firstly, a laser-aided winding apparatus is developed to conduct the process trials of thermoplastic composites. Thereafter, the response surface methodology is applied to examine and validate the correlations between process variables and the mechanical performance of the NOL rings. Finally, the two mechanical properties are merged into a unified optimization index through a satisfaction function method, facilitating the determination of optimal process parameters. A superior balance of tension and ILSS is achieved at a heating power of 535 W, a rotating velocity of 442.4 mm/s, a mold temperature of 41.5 °C, and a winding tension of 50 N. The present study offers essential insights for optimizing and strengthening the mechanical behavior of the thermoplastic composite structures.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100824"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149159436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Coupled thermo-mechanical analysis of thermally induced vibration in FGM annular sector plate","authors":"J. Sadeghi,&nbsp;A. Salmanizadeh,&nbsp;M.R. Eslami,&nbsp;Y. Kiani","doi":"10.1016/j.jcomc.2026.100831","DOIUrl":"10.1016/j.jcomc.2026.100831","url":null,"abstract":"<div><div>In this study, dynamic behavior of a thin annular sector plate made of functionally graded materials (FGMs) subjected to sudden thermal shock is investigated in both coupled and uncoupled states. In this structure, the material properties vary continuously through the thickness direction, and the effective properties are determined based on the rule of mixtures. Moreover, the top surface of the plate is subjected to a thermal flux, while the bottom surface is assumed to be thermally insulated. Formulation of the problem is based on the first-order shear deformation theory under the assumption of small linear strains, and the governing equations are derived using Hamilton’s principle. To obtain the thermoelastic response, the coupled governing equations are discretized by means of the generalized differential quadrature (GDQ) method, and the Newmark time-stepping algorithm is employed for transient analysis. Considering the thin geometry of the plate, the temperature distribution through the thickness is assumed to be linear. Finally, after validating the model, the thermally induced vibrational response of the structure is evaluated, providing a comparative analysis between the Newmark time-integration method and the numerical inverse Laplace transform method.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100831"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149211279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Basalt Fiber Reinforced Sustainable Composites: Recent Developments and New Challenges","authors":"Kehinde Olonisakin,&nbsp;M. Misra,&nbsp;Amar K. Mohanty","doi":"10.1016/j.jcomc.2026.100805","DOIUrl":"10.1016/j.jcomc.2026.100805","url":null,"abstract":"<div><div>Basalt is a mineral-based, high-performance, sustainable reinforcement with a novel combination of high performance and competitive cost, offering superior chemical durability and thermal stability compared to E-glass, while being significantly more cost-effective than carbon fiber. This review summarises recent advances in “lava-to-lightweight” connecting production of basalt fibers (melt spinning, drawing, and sizing) to composite production pathways, performance and applications. The literature is classified into common design levers: (i) effective length of load transfer (fiber length continuity), (ii) reinforcement architecture and alignment, (iii) engineering of interphase (size, chemical coupling, hierarchical coatings), and (iv) wear, impact and aggressive environments damage and durability pathways. Basalt fiber–reinforced composites exhibit mechanical performance between glass and carbon fiber composites, with tensile strengths up to 417 MPa, higher than natural fiber composites and comparable to or slightly higher than glass fiber composites but lower than carbon fiber composites. This positions basalt fibers as a balanced reinforcement with superior durability and competitive strength-to-cost performance. The strength and stiffness of these composites mainly depend on how the fibers are arranged and fiber-matrix adhesion. Their long-term durability is affected by moisture and chemical ingress into the composite, which can cause the matrix to hydrolyse and weaken the fiber-matrix bond, especially under repeated wet-and-dry conditions. Their application readiness is evaluated across key areas: mobility, aerospace, marine, construction/infrastructure, and electrical/electronic. However, challenges identified include the lack of standardized testing, limited data on long-term performance in real environments, and unclear recycling or disposal options at the end of their service life. Lastly, sustainability factors are summarised for production energy, emissions, and recyclability opportunities, and a roadmap is proposed for scale-up through process monitoring, data-driven optimisation, and qualification standards.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100805"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149211280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of extrusion process on the physical and mechanical properties of short natural fibre reinforced PLA filaments","authors":"Quentin C.P. Bourgogne,&nbsp;Marwa Abida,&nbsp;Vanessa Bouchart","doi":"10.1016/j.jcomc.2026.100823","DOIUrl":"10.1016/j.jcomc.2026.100823","url":null,"abstract":"<div><div>The aim of the study is to understand and evaluate the consequences of the extrusion process on the physical and mechanical properties of natural short fibre reinforced filament for 3D printing. A reliable experimental protocol was built to evaluate the monotonic and dynamic mechanical behaviour of the coil filament with a diameter of 1.75 mm, regardless of other printing parameters, while comparing it to the extruded filament, with a diameter of 0.4 mm. The physical behaviours were investigated with micro-tomography, TGA and DSC. The mechanical tests were carried out with DMA. In order to consider reinforcement nature and geometry, the tests were carried out on neat and reinforced PLA, with hemp, flax and wood fibres, all reinforced with 20%wt. The study showed that extrusion led to a modification of glass transition temperature of all grades and decreased the Young modulus from about 14% for the neat PLA, up to nearly 50% for PLA reinforced with hemp.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100823"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149159862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design, Tribological behavior and mechanism of solvent-free bamboo-derived biochar (BDB)@ZIF-8 nanofluid for enhancing UV-Cured epoxy-acrylate photosensitive resin composites","authors":"Zhiguo Liu,&nbsp;Hongye Li,&nbsp;Xiangqi Miao,&nbsp;Yufei Chen,&nbsp;Zhengfeng Jia,&nbsp;Meng Liu,&nbsp;Jinming Zhen,&nbsp;Ran Zhang,&nbsp;Liping Wang,&nbsp;Bo Wang","doi":"10.1016/j.jcomc.2026.100822","DOIUrl":"10.1016/j.jcomc.2026.100822","url":null,"abstract":"<div><div>An innovative solvent-free route was developed for fabricating bamboo-derived biochar @Zeolitic Imidazolate Framework-8 nanofluids (code as: BDB@ZIF-8 NFs) via electrostatic assembly of BDB with ZIF-8, culminating in the covalent conjugation of a KH560-M2070 outer shell. The resulting NFs exhibited liquid-like behavior and hybrid organic-inorganic characteristics, leading to an excellent dispersibility within epoxy resin matrix. A comparative study on the tribological performance of resin composites reinforced with various fillers revealed that the BDB@ZIF-8 NFs provided the most significant enhancement. The synergy between the BDB@ZIF-8 core and its KH560-M2070 shell underpins this enhanced performance. The possible mechanisms are as follows: BDB and ZIF-8 act as fillers and rollers on the worn surface, thereby decreasing resin wear. Meanwhile, owing to the presence of the nanofluid, the friction mode during relative motion shifts from dry friction to boundary friction, resulting in a reduced friction coefficient (COF). On the other hand, a dual transfer film composed of iron oxides, a carbon-rich film derived from BDB nanosheets, and a liquid phase is squeezed out of the matrix onto the worn surface. These films collectively enhance the lubricity and durability of the composite.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100822"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149159476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predicting wear in orthotropic biological nanocomposites","authors":"Andre E. Vellwock,&nbsp;Yang Gao,&nbsp;Luca Bertinetti,&nbsp;Peter Fratzl,&nbsp;Yael Politi,&nbsp;Maryam Tadayon","doi":"10.1016/j.jcomc.2026.100829","DOIUrl":"10.1016/j.jcomc.2026.100829","url":null,"abstract":"<div><div>Wear prediction remains a major challenge in tribology, particularly for anisotropic fibre-reinforced materials where contact-induced stresses, frictional interactions, and failure mechanisms depend strongly on structural orientation. Conventional wear models are largely developed for isotropic systems and therefore fail to capture the directional dependence of wear resistance observed in many biological and engineered composites. In this study, we present an analytical framework for predicting wear behaviour in orthotropic materials by coupling Hertzian contact mechanics with an orientation-dependent failure criterion based on the Tsai-Wu formulation. The model extends the framework proposed by Ning et al. by incorporating friction-induced shear stresses into the failure analysis, enabling the evaluation of direction-dependent wear behaviour. As a biological model system, locust tendons were selected due to their highly aligned chitinous fibre architecture, allowing systematic investigation of anisotropic mechanical and tribological properties as a function of fibre orientation. Nanowear experiments revealed pronounced orientation-dependent wear behaviour, with substantially higher wear resistance when sliding occurred parallel to the fibres or on the transverse fibre section, compared to perpendicular sliding across the fibres. The analytical model successfully captured the experimentally observed wear trends across the tested orientations. To further demonstrate the model’s applicability to isotropic materials, epoxy resins with varying polymer-to-hardener ratios were also tested, and the model successfully captured the experimentally observed wear-resistance trends. Unlike conventional isotropic wear indices such as <em>H</em>³/<em>E</em>², our framework explicitly incorporates fibre orientation, friction-induced shear stress, and anisotropic failure strength. This proposed modelling approach can effectively capture wear resistance trends in both orthotropic and isotropic systems, providing a mechanistic framework for the analysis of biological materials and for the design of materials with improved wear resistance.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100829"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149211278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multifunctional wood composites: advancing sustainable solutions for smart and functional applications – a review","authors":"Shohel Siddique,&nbsp;Razia Sultana,&nbsp;Demet Ozer,&nbsp;Atsushi Inoishi,&nbsp;James Njuguna,&nbsp;D. Gregory,&nbsp;S. Kumar","doi":"10.1016/j.jcomc.2026.100819","DOIUrl":"10.1016/j.jcomc.2026.100819","url":null,"abstract":"<div><div>Wood, as an abundant and renewable natural resource, has long played a vital role in meeting both structural and non-structural needs. In response to rising environmental concerns, the depletion of petrochemical resources, and growing awareness of the negative impacts of synthetic materials, there is increasing interest in harnessing wood’s potential as a biodegradable and recyclable material across multiple sectors. However, its limited functionality in diverse applications has hindered broader adoption. This review explores the emerging trends and current advancements in integrated multifunctional wood composites (MFWCs), which aim to provide sustainable, eco-friendly, and economically viable solutions for both structural and non-structural applications. These composites not only support structural performance but also contribute to system lightweighting and enhanced load-carrying efficiency. The review highlights the non-structural functionalities of MFWCs, including energy harvesting, thermal and electrical conductivity, sensing and actuation, thermal stability, fire resistance, flame retardancy, self-healing properties, and structural health monitoring—extending their use far beyond traditional load-bearing roles. Additionally, the article examines recent applications, addresses challenges in achieving multifunctional targets, and proposes strategies to overcome these hurdles. Wood-based multifunctional composites are poised to revolutionize industries by addressing key environmental concerns, and this review outlines their promising future in sustainable material solutions.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100819"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149159432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Numerical and Experimental Investigation of Nano-graphene Additives on the Mixed-Mode Fracture Behaviour of Epoxy Adhesives","authors":"Shabnam Ebrahimi,&nbsp;Bashir Behjat,&nbsp;Mir Hadi Hoseynizadeh","doi":"10.1016/j.jcomc.2026.100828","DOIUrl":"10.1016/j.jcomc.2026.100828","url":null,"abstract":"<div><div>This study presents a combined experimental and numerical investigation into the mixed-mode fracture behavior of epoxy adhesives reinforced with graphene nanoplatelets. Butterfly-shaped specimens manufactured from Araldite 2011 epoxy, containing 0.05, 0.1, and 0.2 wt% graphene, were prepared using conventional rubber molding, while selected specimens with 0.1 wt% graphene were additionally fabricated via a hot press process (100°C, 100 bar, 110 min) to evaluate the influence of processing conditions on fracture toughness. All specimens incorporated a predefined crack length of 15 mm in accordance with ASTM D5045, and additional finite element analyses were conducted to assess the effect of crack length variation on stress intensity factors. Mixed-mode (I/II), pure Mode I, and pure Mode II fracture tests were performed using a modified Arcan fixture, and finite element simulations in Abaqus were used to determine the non-dimensional geometry (shape) factor for the cracked specimen, which was then combined with the experimentally measured fracture loads to compute the corresponding stress intensity factors and strain energy release rates. The results demonstrated that 0.1 wt% graphene provided the best overall mechanical performance, exhibiting the highest failure load under the investigated mixed-mode loading conditions. Moreover, hot-pressed specimens exhibited substantially higher fracture resistance, plausibly attributable to improved graphene dispersion and reduced void content, and increasing crack length was shown to markedly amplify stress intensity factors, consistent with linear elastic fracture mechanics predictions. These findings highlight the critical roles of processing technique and initial crack size in optimizing the fracture toughness of graphene-reinforced structural adhesives..</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100828"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149211281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Experimental and numerical comparison of Double–Double and QUAD laminates in open-hole tension tests","authors":"Y. Boose,&nbsp;E. Kappel,&nbsp;J. Kosmann,&nbsp;O. Völkerink","doi":"10.1016/j.jcomc.2026.100816","DOIUrl":"10.1016/j.jcomc.2026.100816","url":null,"abstract":"<div><div>Double–Double laminates attract increasing attention as a potential alternative to conventional laminates in aerospace practice. This trend is mainly driven by DD-related simplifications of laminate optimization and manufacturing processes. For a broad integration of DD-laminates in the industry their mechanical behavior needs to be examined, especially in comparison to the established conventional laminates (QUAD). Therefore, the present article examines open-hole-tension tests experimentally as well as by finite element methods. The samples cover quasi-isotropic and more-orthotropic stackings, made from conventional laminates and their <span><math><mrow><mo>[</mo><msup><mrow><mi>A</mi></mrow><mrow><mo>∗</mo></mrow></msup><mo>]</mo></mrow></math></span>-matrix-based Double–Double equivalents. Open-hole-tension experiments cover the two relevant aerospace prepreg materials M21E/IMA and 8552/IM7. The latter, is examined in more detail in this manuscript, with detailed finite-element modeling and accompanying digital-image-correlation during the tests. This paper focuses on comparing the failure loads of the QUAD laminates and their corresponding DD laminates, as well as on determining the first-ply failure loads. The experimental test series serves for the strength failure loads determined in the FE calculations. For the design case based on the first-ply-failure criterion, the values calculated using FE are compared with the analytical FPF envelopes. The two main findings of this article are:</div><div>The studied DD laminates show equivalent OHT strength properties compared to their corresponding QUAD ones, which indicates that the novel DD laminate architecture is similarly capable in OHT load cases.</div><div>The executed FE simulations verify that DD laminates can be simulated with the same methods that have been validated earlier for conventional laminates.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100816"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149159434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Improvement of interlaminar strength in CFRTP fabrication by an intermittent in-process heat-pressing method using a tool-changing 3D printer","authors":"Yuto Uetake,&nbsp;Hiroshi Ikaida,&nbsp;Michiaki Matsumoto,&nbsp;Quan Jiang,&nbsp;Ryosuke Matsuzaki","doi":"10.1016/j.jcomc.2026.100825","DOIUrl":"10.1016/j.jcomc.2026.100825","url":null,"abstract":"<div><div>Fused filament fabrication (FFF) of carbon-fiber-reinforced thermoplastics (CFRTP) is hindered by interlaminar voids that arise from insufficient consolidation pressure and degrade the interlaminar strength. This study proposes an intermittent in-process heat-pressing method implemented on an FFF 3D printer equipped with a tool-changing function. Within a single process, the deposition of continuous-carbon-fiber-reinforced nylon (CF/Nylon) and the application of localized heat and pressure by a dedicated press tool are alternated layer by layer. The effects of the press load and feed rate were systematically investigated through cross-sectional observation, tensile tests, and interlaminar shear strength (ILSS) tests. Increasing the press load and decreasing the feed rate reduced the void content from 20.18% to 5.97%. The apparent ILSS reached 39.90<!--> <!-->MPa at a feed rate of 100<!--> <!-->mm/min, corresponding to an improvement of more than 70% over the as-printed condition (23.46<!--> <!-->MPa), whereas the tensile properties along the fiber direction were preserved. SEM observations further showed less extensive interlaminar opening and greater matrix retention on the exposed fibers for P3/F100 than for the untreated condition, suggesting a shift toward a mixed failure morphology with increased cohesive matrix involvement. Together with the moving-heat-source analysis, these results support a coupled mechanism involving geometric void densification and thermally assisted interlayer healing when the calculated near-surface temperature approaches the DSC-derived high-softening/partial-melting range of the nylon matrix. The proposed method therefore achieves substantial void reduction and interlaminar-strength enhancement in CFRTP by decoupling the compaction function from the deposition head.</div></div>","PeriodicalId":34525,"journal":{"name":"Composites Part C Open Access","volume":"21 ","pages":"Article 100825"},"PeriodicalIF":7.0,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149159433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}