Composites Part B: Engineering最新文献_第8页

A rigid and flexible combination 3D network with hyperbranched materials as bridge and the enhancement of mass transfer resistance in coatings 以超支化材料为桥梁的刚柔结合三维网络及涂层传质阻力的增强

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-03 DOI: 10.1016/j.compositesb.2025.112688

Chijia Wang , Minghua Xin , Min Gao , Weihao Fan , Haonan Liu , Zhanjian Liu , Ruitao Wang , Huaiyuan Wang

{"title":"A rigid and flexible combination 3D network with hyperbranched materials as bridge and the enhancement of mass transfer resistance in coatings","authors":"Chijia Wang , Minghua Xin , Min Gao , Weihao Fan , Haonan Liu , Zhanjian Liu , Ruitao Wang , Huaiyuan Wang","doi":"10.1016/j.compositesb.2025.112688","DOIUrl":"10.1016/j.compositesb.2025.112688","url":null,"abstract":"<div><div>Defects formed during the curing process of epoxy resin coatings can compromise their shielding efficacy, necessitating mitigation strategies to preserve functional performance. This study introduces a multiscale composite filler (PHL) employing hyperbranched polymers to integrate flexible polymeric chains with rigid inorganic particulates. A three-dimensional network structure was constructed within the coating by bridging flexible polyamide and rigid rod-shaped lanthanum oxide with resin using hyperbranched materials. Following the reaction between PHL and epoxy resin at 160 °C, they rapidly settle in solution, demonstrating the successful construction of the three-dimensional network structure of PHL resin. The 35 % PHL epoxy coating exhibited a low-frequency impedance of 10<sup>9</sup> Ω·cm<sup>2</sup> after 48 h exposure to high-temperature/high-pressure CO<sub>2</sub> environments. This indicates that the addition of PHL increases the mass transfer resistance of the corrosive medium in the coating, and the coating has high shielding performance under high-pressure and harsh conditions. Notably, the wear resistance and adhesion of 35 % PHL epoxy coating are improved by 100 % and 50 % respectively compared to pure epoxy coating. These results establish that the incorporation of PHL composite filler enhances both shielding performance and mechanical performance in epoxy coatings. This study proposes an innovative methodology for combining multi-scale, rigid and flexible opposite materials and establishing a three-dimensional network structure in the resin matrix, hoping to provide a valuable theoretical basis and scientific evidence for the construction of protective coating structures in harsh environments.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"304 ","pages":"Article 112688"},"PeriodicalIF":12.7,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144222987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

PCLA-Janus engineered triboelectric membranes: Room-temperature self-healing composites with integrated energy harvesting and multimodal sensing for wearable systems PCLA-Janus工程摩擦电膜：用于可穿戴系统的集成能量收集和多模态传感的室温自修复复合材料

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-03 DOI: 10.1016/j.compositesb.2025.112686

Jiandan Liang , Shounian Cheng , Lin Peng , Qiuxiang Yang , Wen Jiang , Haixin Li , Yang Jie , Xia Cao

{"title":"PCLA-Janus engineered triboelectric membranes: Room-temperature self-healing composites with integrated energy harvesting and multimodal sensing for wearable systems","authors":"Jiandan Liang , Shounian Cheng , Lin Peng , Qiuxiang Yang , Wen Jiang , Haixin Li , Yang Jie , Xia Cao","doi":"10.1016/j.compositesb.2025.112686","DOIUrl":"10.1016/j.compositesb.2025.112686","url":null,"abstract":"<div><div>An innovative Janus-structured self-healing composite engineered through multiscale design principles synergizes molecular-level dynamic bonding with macroscopic functional architectures, resolving the persistent challenge of balancing mechanical robustness (43.48 MPa tensile strength, 1185 % elongation) and autonomous repair capability. The composite system uniquely integrates triboelectric energy harvesting (1.89 mW/m<sup>2</sup> power density) with multifunctional performance metrics critical for advanced engineering applications: antimicrobial efficacy (96.98 % against <em>E. coli</em>, 97.88 % against <em>S. aureus</em>), UV shielding (UPF 1086.2), and antioxidant retention (93.3 %). Leveraging advanced interface engineering techniques, we demonstrate scalable manufacturing of Janus-type structures enabling concurrent biomechanical energy conversion and biological protection mechanisms. In conclusion, the self-healing wearable device based on the multi-functional Janus has sustainability and environmental friendliness and has broad application potential in the fields of collecting environmental energy, biosensors, and self-powered antibacterial.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"304 ","pages":"Article 112686"},"PeriodicalIF":12.7,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144222975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Achieving superior high-temperature performance in Ti60 alloy with dispersed TiC reinforcement via directed energy deposition 采用定向能沉积法制备分散TiC增强Ti60合金，获得优异的高温性能

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-03 DOI: 10.1016/j.compositesb.2025.112690

Yongxia Wang , Wei Fan , Mingji Dang , Siyu Zhang , Zhiwei Hao , Hua Tan , Fengying Zhang , Xin Lin

{"title":"Achieving superior high-temperature performance in Ti60 alloy with dispersed TiC reinforcement via directed energy deposition","authors":"Yongxia Wang , Wei Fan , Mingji Dang , Siyu Zhang , Zhiwei Hao , Hua Tan , Fengying Zhang , Xin Lin","doi":"10.1016/j.compositesb.2025.112690","DOIUrl":"10.1016/j.compositesb.2025.112690","url":null,"abstract":"<div><div>Addition of reinforcing particle is a potential strategy to counteract the significant strength degradation of titanium alloys at their maximum service temperature of 600 °C. However, a long-standing challenge for particle-reinforced titanium matrix composites is their poor ductility and limited formability. In this work, directed energy deposition (DED) was employed to fabricate Ti60 alloy with dispersed TiC particles, using carbon-decorated C/Ti60 composite powders as feedstock. The reinforced TiC particles, with a volume fraction of approximately 9.8 %, consist of submicron TiC span across multiple α laths and nanoscale TiC particles within α laths. Due to the introduction of TiC particles, the average width of α phase has decreased from 1.18 μm to 0.92 μm. The TiC particles significantly enhance the high-temperature strength of the Ti60 alloy by 11.7 %, 11.0 %, and 10.6 % at 600 °C, 650 °C, and 700 °C, respectively, through a combination of Orowan strengthening, grain refinement and solid solution strengthening mechanisms, while retaining excellent elongation of 16.3 %, 42.3 % and 47.1 %. Additionally, the nanoscale TiC particles form coherent interfaces within the matrix, resulting in lattice distortions that increase the proportion of low-angle grain boundaries. This phenomenon can provide sufficient driving force for the early triggering of the Dynamic recrystallization (DRX) process, resulting in a lower recrystallization temperature in the TiC/Ti60 composites compared to the Ti60 alloy. This work represents a significant advancement in overcoming the trade-off between strength and ductility in particle-reinforced titanium matrix composites and offers a promising avenue for the next generation of high-temperature light alloys.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"304 ","pages":"Article 112690"},"PeriodicalIF":12.7,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144222986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of in-plane shear behavior of historical andesite stone–Khorasan mortar masonry walls strengthened with CFRP-based techniques and repair mortar 历史安山岩-呼罗珊砂浆cfrp加固及修补砂浆面内剪切性能评价

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-03 DOI: 10.1016/j.compositesb.2025.112678

Tulin Celik

{"title":"Assessment of in-plane shear behavior of historical andesite stone–Khorasan mortar masonry walls strengthened with CFRP-based techniques and repair mortar","authors":"Tulin Celik","doi":"10.1016/j.compositesb.2025.112678","DOIUrl":"10.1016/j.compositesb.2025.112678","url":null,"abstract":"<div><div>Historic structures are highly vulnerable to horizontal forces from earthquakes due to their generally low tensile strength and rigid structures. Previous studies on these structures have revealed the need for retrofitting against earthquakes and led to the application of various methods. Carbon fiber reinforced polymer (CFRP) materials, with their superior strength-to-weight ratio, easy applicability and minimal intervention requirements, have recently emerged as an innovative technique preferred for the strengthening of historic masonry structures.</div><div>In the study, the repair and strengthening of method of an unreinforced stone masonry wall with different materials was applied and the in-plane shear behavior of the wall was investigated by experimental and numerical analysis. An unreinforced stone masonry wall (URM), called the “reference specimen”, was produced as the URM-R specimen. Repair mortar (URM-M) was used in the repair and strengthening of a stone masonry wall. A stone wall specimen was placed with CFRP bars (URM-B), two pieces in each joint of the wall, for a total of 8 bars. Two specimens were strengthened with CFRP bars, one with Khorasan mortar (URM-BK) and one with repair mortar (URM-BM).</div><div>CRFP laminate materials were also applied to two specimens either horizontally (URM-LH) or diagonally (URM-LD) on both surfaces of the URM wall. A comparison of experimental and numerical results showed that the URM-LD (CFRP laminate diagonal) specimen, the most effective of the methods tested, significantly increased maximum load, shear stress, ductility, and elastic stiffness. In addition, the URM-LD specimen reduced wall fragility and helped maintain wall integrity during fracture.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"305 ","pages":"Article 112678"},"PeriodicalIF":12.7,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","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 geometric configurations and heat treatment on the tensile properties, joint performance, and failure behavior of 3D-Printed carbon and glass fiber composites 几何结构和热处理对3d打印碳纤维和玻璃纤维复合材料拉伸性能、接头性能和失效行为的影响

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-03 DOI: 10.1016/j.compositesb.2025.112693

Sanjay Kumar , Dong-Hoon Yoo , Jun-Seop Song , Hak-Sung Kim

{"title":"Effect of geometric configurations and heat treatment on the tensile properties, joint performance, and failure behavior of 3D-Printed carbon and glass fiber composites","authors":"Sanjay Kumar , Dong-Hoon Yoo , Jun-Seop Song , Hak-Sung Kim","doi":"10.1016/j.compositesb.2025.112693","DOIUrl":"10.1016/j.compositesb.2025.112693","url":null,"abstract":"<div><div>This study presents an in-depth investigation into the influence of geometric configuration on the tensile performance, failure behavior of open hole (OH) and bolted joints (BJ) 3D-printed continuous carbon fiber (CF) and glass fiber (GF) composites with heat treatment (HT) and without heat treatment (WHT). Specimens were fabricated with a predefined [90/45/0/−45]<sub>2</sub>s stacking sequence, incorporating precise hole formation during the printing process. Tensile tests were conducted on unnotched (UN), OH, and BJ specimens with varying width-to-diameter (W/D) ratios (2, 3, and 4). Results show that tensile performance is strongly affected by W/D ratios. As W/D decreased, earlier failure was observed, yet both composites exhibited remarkable notch-insensitivity. GF composites outperformed CF, retaining 70–76 % of strength compared to CF's 49–55 %, due to their superior ductility and stress redistribution near the hole edge. Failure in OH specimens was dominated by transverse and shear-matrix cracking at the hole edge. Bolted joints load-bearing capacity enhanced with HT, enhancing up to 30 % in GF composites. Bearing strength increased with increasing W/D, reaching up to 489 MPa for GF composites and 453 MPa for CF composites with HT. At higher W/D, bearing failure dominated, promoting higher displacement and delayed catastrophic failure, while lower W/D led to net tension failure. Bolted-joint efficiency (BJE) exceeded 250 % in BJ/OH with HT, highlighting the bolt's critical role in stress redistribution. These findings establish the mechanical reliability and design advantages of 3D-printed CF and GF composites for high-performance structural applications requiring robust joint performance and enhanced durability.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"304 ","pages":"Article 112693"},"PeriodicalIF":12.7,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144222988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A bioinspired helical metamaterial for broadband electromagnetic wave absorption 一种用于宽带电磁波吸收的生物启发螺旋超材料

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-02 DOI: 10.1016/j.compositesb.2025.112685

Lixian Yin , Xiaoyong Tian , Chenguang Cui , Zhi Wang

{"title":"A bioinspired helical metamaterial for broadband electromagnetic wave absorption","authors":"Lixian Yin , Xiaoyong Tian , Chenguang Cui , Zhi Wang","doi":"10.1016/j.compositesb.2025.112685","DOIUrl":"10.1016/j.compositesb.2025.112685","url":null,"abstract":"<div><div>Traditional electromagnetic (EM) wave absorbing materials are often constrained by narrow absorption bandwidths due to their overly simplistic loss mechanisms. In contrast, spirulina, an ancient photosynthetic organism dating back billion years, has evolutionarily developed superior EM wave absorbing capabilities through its unique helix microstructure. By mimicking this natural design, we proposed a helical metamaterial absorber and fabricated it by 3D printing process, achieving an ultra-wide effective absorption bandwidth of 33.7 GHz (covering 3.5–5.1 GHz and 7.9–40 GHz, reflection loss <em>RL</em> ≤ −10 dB). The excellent microwave absorption performance originates from the material's dielectric loss capability and the unique EM response of the helical structure. The distinctive EM response encompasses: periodic induced current rotation generating eddy currents, localized electric-magnetic resonance, and standing wave effect. This bio-inspired paradigm bridges evolutionary optimization with artificial metamaterial design, demonstrating transformative potential for next-generation radar stealth systems and EM compatibility engineering.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"304 ","pages":"Article 112685"},"PeriodicalIF":12.7,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144223144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Carbon fibres/RTM6 vitrimer and non-dynamic epoxy thermoset composites: comparative study of manufacturing, mechanical characteristics, water absorption, impact resistance, repairing and compression after impact 碳纤维/RTM6玻璃体与非动态环氧热固性复合材料：制造、力学特性、吸水性、抗冲击性、修复和冲击后压缩的比较研究

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-02 DOI: 10.1016/j.compositesb.2025.112674

Vincent Schenk , Philippe Olivier , Karine Labastie , Mathias Destarac , Marc Guerre

{"title":"Carbon fibres/RTM6 vitrimer and non-dynamic epoxy thermoset composites: comparative study of manufacturing, mechanical characteristics, water absorption, impact resistance, repairing and compression after impact","authors":"Vincent Schenk , Philippe Olivier , Karine Labastie , Mathias Destarac , Marc Guerre","doi":"10.1016/j.compositesb.2025.112674","DOIUrl":"10.1016/j.compositesb.2025.112674","url":null,"abstract":"<div><div>In aerospace, thermoset materials are prized for durability but face limitations in recycling, prompting exploration into alternatives. This study compares the mechanical behaviour of an aerospace-grade two-component epoxy system (RTM6-2) to that of a vitrimer counterpart with a disulfide hardener (RTM6-V), both reinforced by unidirectional carbon fibres plies and manufactured by resin transfer moulding. Conformity and quality of laminated plates are rigorously verified using non-destructive and destructive methods, underlying the excellent manufacturing process control of RTM6-V composite parts, similarly to conventional composites. Mechanical properties evaluation, including interlaminar shear stress tests, highlight the efficacy of RTM6-V in achieving good impregnation and outstanding fibre-matrix cohesion. Moreover, the study investigates water uptake presenting acceptable water content at saturation for aeronautical applications. Plus, the reprocessing and repair capabilities of CFR RTM6-V laminates are also assessed. Effectively, series of carbon/RTM6-2 and carbon/RTM6-V laminates were submitted to low velocity, low energy impact testing campaigns and subsequent repair evaluations demonstrate a limited potential for repairing matrix cracks and delamination in impacted laminates. Overall, this work provides insights into the performance and applicability of RTM6-V in aerospace composite applications, shedding light on its strengths and limitations.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"304 ","pages":"Article 112674"},"PeriodicalIF":12.7,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144222977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Braid-trusion of hollow thermoplastic composites using an expanding mandrel approach 利用膨胀芯棒方法对中空热塑性复合材料进行编织挤压

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-02 DOI: 10.1016/j.compositesb.2025.112677

Maissaloun El-Jakl, Louis Laberge Lebel

{"title":"Braid-trusion of hollow thermoplastic composites using an expanding mandrel approach","authors":"Maissaloun El-Jakl, Louis Laberge Lebel","doi":"10.1016/j.compositesb.2025.112677","DOIUrl":"10.1016/j.compositesb.2025.112677","url":null,"abstract":"<div><div>Braid-trusion involves the combination of a braiding machine with a pultrusion line to continuously produce composite structures with a constant cross-section and angle-oriented fibres. During the braid-trusion process, braids are subjected to tension and compression, which leads to braid deformation and fibre orientation variations. Successful braid-trusion of tubular structures requires a braid design methodology that accounts for braid deformations during its passage in the pultrusion die. Here, we present a braid design methodology for square hollow pultruded beams reinforced by triaxial braids. It is proposed that the internal perimeter of the braid, constrained by the braiding and pultrusion mandrels, must expand during pultrusion to account for braid consolidation. Two braid designs are proposed. The first has a constant braiding and pultrusion mandrel perimeter. The second has a braiding mandrel perimeter that is 0.9 times that of the pultrusion mandrel, referred to as the expanding mandrel approach. The design demonstrated the effect of an expanding mandrel in reducing fibre waviness by achieving similar braiding yarn lengths. Glass fibre/polyethylene terephthalate composites were pultruded with the constant and expanding mandrels. The constant mandrel braid-trusion failed while the expanding mandrel succeeded.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"305 ","pages":"Article 112677"},"PeriodicalIF":12.7,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144263712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Energy absorption behavior of Al/CFRP hybrid tubes under tearing trigger mechanism 撕裂触发机制下Al/CFRP复合材料管的吸能行为

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-02 DOI: 10.1016/j.compositesb.2025.112679

Haoyue Kong , Wenzhen Huang , Yong Zhang , Junhong Lin , Jianxing Yang , Zhixiong Zhang

{"title":"Energy absorption behavior of Al/CFRP hybrid tubes under tearing trigger mechanism","authors":"Haoyue Kong , Wenzhen Huang , Yong Zhang , Junhong Lin , Jianxing Yang , Zhixiong Zhang","doi":"10.1016/j.compositesb.2025.112679","DOIUrl":"10.1016/j.compositesb.2025.112679","url":null,"abstract":"<div><div>To address the brittle fracture and unstable crushing behavior that limit the energy-absorption potential of carbon fiber-reinforced plastic (CFRP) structures, this paper presents an aluminum/CFRP hybrid tube with tearing triggers (HTTTs). The design strategically introduces geometric features to transform catastrophic brittle failure into progressive tearing, enabling stable and controlled energy dissipation. Simulation results demonstrate significant performance improvements: compared to conventional AL/CFRP crushing tubes, the HTTT exhibits 80 % higher load stability and 20 % greater material utilization efficiency, while achieving a 46 % increase in specific energy absorption (SEA) over CFRP tubes. Parametric studies reveal critical design–performance relationships: internal placement of aluminum tubes optimizes load transfer, enhancing Energy absorption efficiency; IHTTTs with 40–60 % of material percentage show the best synergistic tearing effect, boosting load stability by 78.1 % relative to pure CFRP; and geometric parameters such as a 50 mm outer diameter and 40° conical base angle maximize deformation control through optimized tearing behavior. This research illustrates the benefits of aluminum/CFRP hybrid tubes exhibiting tearing behavior in load-bearing stability and material utilization rate. It also proposes a novel method for developing protective structures offering superior stability and energy absorption.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"304 ","pages":"Article 112679"},"PeriodicalIF":12.7,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144242887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","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 inter-tow angle and temperature on the static coefficient of friction of preimpregnated tows in tow-tow and tow-metal contact 拖曳角和温度对预浸渍拖曳和拖曳金属接触静摩擦系数的影响

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-06-02 DOI: 10.1016/j.compositesb.2025.112682

Benedikt Bergmann, Jens Schlimbach, Thomas Neumeyer

{"title":"Effect of inter-tow angle and temperature on the static coefficient of friction of preimpregnated tows in tow-tow and tow-metal contact","authors":"Benedikt Bergmann, Jens Schlimbach, Thomas Neumeyer","doi":"10.1016/j.compositesb.2025.112682","DOIUrl":"10.1016/j.compositesb.2025.112682","url":null,"abstract":"<div><div>The objective of this study is to quantify the frictional properties of tow materials utilized in filament winding processes for the manufacturing of carbon fiber reinforced plastic (CFRP). The study aimed to investigate the influence of inter-tow angle (ITA) and temperature on the static coefficient of friction (sCoF) of commercially available towpregs. A series of experiments was conducted to measure the frictional behavior of the towpregs under varying ITA's (0°–90°) and temperatures (22 °C–60 °C). The results demonstrate a clear correlation between ITA and friction. Lower angles (0°–10°) exhibit higher friction due to mechanical entanglement and embedding. At higher angles (20°–90°), the static coefficient of friction decreases, reaching a minimum at 90°. Furthermore, temperature has been identified as a crucial factor in reducing friction. Compared to 22 °C, at 30 °C, a 35 % decrease in the static coefficient of friction was observed, while at 50 °C, a 54 % reduction was noted. Beyond this point, the friction levels appear to stabilize, suggesting that the resin viscosity and friction properties reach a plateau. A supportive rheological analysis of the resin system revealed a notable decline in viscosity with elevated temperatures, which further substantiates the observed reduction in friction. These findings highlight the combined influence of tow alignment and thermal conditions on the sCoF, with significant implications for the design and processing of composite materials in filament winding. The results indicate that meticulous consideration of ITA and temperature is essential for optimizing composite material performance, particularly in filament winding applications.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"304 ","pages":"Article 112682"},"PeriodicalIF":12.7,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144222976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0