Composites Part B: Engineering最新文献_第7页

Superior electrocatalytic responses of InGaZnO composite electrode for viologen-based electrochromic supercapacitors InGaZnO复合电极对紫外光基电致变色超级电容器优异的电催化性能

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-21 DOI: 10.1016/j.compositesb.2025.112557

Raksha Pal , Fayong Sun , Soo Yeon Eom , Manoj M. Rajpure , Beomjin Jeong , Jong S. Park

{"title":"Superior electrocatalytic responses of InGaZnO composite electrode for viologen-based electrochromic supercapacitors","authors":"Raksha Pal , Fayong Sun , Soo Yeon Eom , Manoj M. Rajpure , Beomjin Jeong , Jong S. Park","doi":"10.1016/j.compositesb.2025.112557","DOIUrl":"10.1016/j.compositesb.2025.112557","url":null,"abstract":"<div><div>Dual-functional electrochromic devices (ECDs) with low-voltage operation and integrated energy storage are crucial for advancing electrochromic supercapacitors (ECSs), simultaneously offering electrochromic optical switchings and faradaic charge storage. This study presents a fast-switching, high-performance ECS incorporating an InGaZnO (IGZO)-modified fluorine-doped tin oxide (FTO) composite electrode (IGZO@FTO). The ECDs assembled using IGZO@FTO as the working electrode show fast switching times and superior coloration efficiency as the IGZO layer enhances the interfacial electrochemical reaction rate. In addition, the ECSs fabricated with an electrospun TiO<sub>2</sub> as an ion storage layer alleviate slow switching kinetics of viologen reductions, proving outstanding dual-functionality with rapid switching (6 s/12 s), superior coloration efficiency (182.05 cm<sup>2</sup>/C), and high areal capacitance (37.8 mF/cm<sup>2</sup>). Furthermore, the IGZO layer reveals significantly higher energy recovery efficiency, reaching over 72 %, attributed to its highly amorphous structure that enhances electron transfer and reaction kinetics. These findings highlight the superior electrocatalytic performance of IGZO-modified electrodes, establishing a promising paradigm for next-generation multifunctional ECDs with rapid response times, high energy efficiency, and broad application potential.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"302 ","pages":"Article 112557"},"PeriodicalIF":12.7,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143859026","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

Green mechano-synthesis of high-efficiency and recyclable lignin-liquid metal photothermal composites for solar-driven desalination and power generation 绿色机械合成用于太阳能海水淡化和发电的高效可回收木质素-液态金属光热复合材料

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-21 DOI: 10.1016/j.compositesb.2025.112543

Yongye Chen , Ruitong Liu , Rong Cao , Azadeh Nilghaz , Xiaofang Wan , Guangxue Chen , Junfei Tian

{"title":"Green mechano-synthesis of high-efficiency and recyclable lignin-liquid metal photothermal composites for solar-driven desalination and power generation","authors":"Yongye Chen , Ruitong Liu , Rong Cao , Azadeh Nilghaz , Xiaofang Wan , Guangxue Chen , Junfei Tian","doi":"10.1016/j.compositesb.2025.112543","DOIUrl":"10.1016/j.compositesb.2025.112543","url":null,"abstract":"<div><div>Solar-powered photothermal conversion has great promise for mitigating pressures on the global water-energy nexus. Photothermal materials enabling efficient light-to-heat conversion have thus attracted considerable scientific and industrial interest. Despite considerable advancements in material design, a critical challenge remains in developing sustainable materials that achieve high-efficiency solar energy conversion through simple synthesis methods. Here, we develop a solvent-free and one-step mechanochemical strategy to synthesize lignin-liquid metal (LM) composite photothermal powder by exploiting the reactive wettability of LM. The resulting core-shell particles exhibit broad-spectrum light absorption and excellent photothermal performance. When incorporated into a wood-based evaporator, the composite achieves a high evaporation rate of 2.23 kg m<sup>−2</sup> h<sup>−1</sup> and a solar-thermal efficiency of 95.94 % under 1 sun. Moreover, when applied as a coating on a thermoelectric generator, it delivers a maximum output voltage of 179 mV, demonstrating concurrent photothermal-thermoelectric performance. The composite is fully recyclable, derived from renewable lignin and low-toxicity LM, offering a scalable solution with minimal environmental footprint. This work presents a multifunctional, low-cost material platform for integrated solar energy harvesting in water purification and electricity generation.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"302 ","pages":"Article 112543"},"PeriodicalIF":12.7,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874495","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

Dry-processed cathode with Li+-carrier composite binder fiber for high energy density lithium-ion battery 高能量密度锂离子电池用Li+载流子复合粘结纤维干法阴极

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-21 DOI: 10.1016/j.compositesb.2025.112541

Fengqian Wang , Qigao Han , Yaqing Guo , Shuaijing Ji , Junwei Wang , Keyao Li , Liquan Tian , Shun Tang , Weixin Zhang , Shijie Cheng , Yuan-cheng Cao

{"title":"Dry-processed cathode with Li+-carrier composite binder fiber for high energy density lithium-ion battery","authors":"Fengqian Wang , Qigao Han , Yaqing Guo , Shuaijing Ji , Junwei Wang , Keyao Li , Liquan Tian , Shun Tang , Weixin Zhang , Shijie Cheng , Yuan-cheng Cao","doi":"10.1016/j.compositesb.2025.112541","DOIUrl":"10.1016/j.compositesb.2025.112541","url":null,"abstract":"<div><div>The application of high energy density battery presents challenges for high loading electrode to achieve good performance. Polytetrafluoroethylene fibrillation results in unique advantages including high tap density, non-pollution, and thick electrodes. However, with an increase in electrode thickness, Li + transport within a dry cathode with a low porosity is particularly limited. Additionally, the binder currently used in the dry-film process suffers from poor conductivity and viscosity, resulting in a lithium-ion battery with poor cycling stability and rate performance. In this study, we developed a dry ultra-high-loading cathode using a Li<sup>+</sup>-carrier composite binder, which facilitated Li<sup>+</sup> migration and ensured good interfacial contact between the active material particles (LiNi<sub>0.5</sub>Co<sub>0.2</sub>Mn<sub>0.3</sub>O<sub>2</sub>). This was attributed to the high dispersion performance of polyacrylonitrile and its interactions with Li<sup>+</sup>. Density functional theory analysis revealed that the composite binder exhibited a homogeneous electrostatic potential profile and narrow lowest unoccupied molecular orbital-highest occupied molecular orbital energy gap, thus enhancing its effectiveness in facilitating electron mobility. Therefore, the thick cathode fabricated with the composite binder displayed a high discharge capacity of 170.4 mAh g<sup>−1</sup> (200 μm, 9 mAh cm<sup>−2</sup>) at 0.1C and a stable cycling performance, retaining 80.8 % of its initial capacity after 250 cycles at 0.5C. The single-layer lithium-metal pouch cell exhibited a high energy density of 300 Wh kg<sup>−1</sup>, and 85.5 % of the capacity was retained after 150 cycles at 0.1C.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"302 ","pages":"Article 112541"},"PeriodicalIF":12.7,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143859025","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

Two-step strategy for use in improving the multiscale mechanical performances of fiber metal laminates: Applying multi-walled carbon nanotubes and metal surface treatment 提高金属纤维层压板多尺度力学性能的两步策略：应用多壁碳纳米管和金属表面处理

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-19 DOI: 10.1016/j.compositesb.2025.112535

Hangyu He , Jifeng Xu , Kelei Pei , Yanan Su , Yongcun Li , Zhiqiang Li

{"title":"Two-step strategy for use in improving the multiscale mechanical performances of fiber metal laminates: Applying multi-walled carbon nanotubes and metal surface treatment","authors":"Hangyu He , Jifeng Xu , Kelei Pei , Yanan Su , Yongcun Li , Zhiqiang Li","doi":"10.1016/j.compositesb.2025.112535","DOIUrl":"10.1016/j.compositesb.2025.112535","url":null,"abstract":"<div><div>The interlayer performances of fiber metal laminates (FMLs) significantly affect their applications. This study aims to design the interlayer properties of carbon fiber/ultra-thin stainless-steel FMLs (CUSFMLs) based on the fiber bridging and mechanical interlocking mechanism via a two-step modification strategy involving multi-walled carbon nanotube (MWCNT)-modified epoxy resin and metal surface treatment. This study combines short beam shear test and three-point bending tests, and uses digital image correlation to capture the strain field to explore the modification effects of the two methods in detail. Finite element analysis is conducted using ABAQUS/implicit modules to analyze the evolution of the delamination damage. The MWCNTs adhesive layer enhances the interlaminar shear strength of CUSFML by 16.4 % via the fiber bridging effect, enabling metals with high stiffnesses and excellent corrosion resistances to be more effective. In addition, the potassium dichromate (PD) method of metal surface treatment displays superior results compared to those observed using the silane coupling agent method. The flexural strength of the CUSFML is increased by 8.33 % and the contact angle between the epoxy resin and metal is decreased by 7.7 %. This improvement is because the metal treated using the PD method exhibits a larger surface roughness, which enables the epoxy resin to enter the grooves on the metal surface during curing, thus establishing a stronger mechanical interlocking effect.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"303 ","pages":"Article 112535"},"PeriodicalIF":12.7,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143890976","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

In-situ fatigue prognosis in laminated composites: A machine learning approach using self-temperature rise data 层合复合材料的原位疲劳预测：使用自温升数据的机器学习方法

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-18 DOI: 10.1016/j.compositesb.2025.112537

A.H. Mirzaei, P. Haghi

引用次数: 0

Characterization of low-velocity impact response and damage tolerance of thermoplastic/thermoset composite laminates under strong and complex preload 热塑性/热固性复合材料层合板在强、复杂预载荷下的低速冲击响应和损伤容限特性

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-17 DOI: 10.1016/j.compositesb.2025.112530

Zhibin Zhao , Jianwu Zhou , Hui Cai , Xinzhi Yang , Guangjie Kou , Huipeng Yan , Zhengwei Yang

{"title":"Characterization of low-velocity impact response and damage tolerance of thermoplastic/thermoset composite laminates under strong and complex preload","authors":"Zhibin Zhao , Jianwu Zhou , Hui Cai , Xinzhi Yang , Guangjie Kou , Huipeng Yan , Zhengwei Yang","doi":"10.1016/j.compositesb.2025.112530","DOIUrl":"10.1016/j.compositesb.2025.112530","url":null,"abstract":"<div><div>In this study, a novel uni/biaxial preload-coupling loading device is designed to systematically investigate the low-velocity impact mechanical response and the evolution of Compression After Impact (CAI) strength of thermoplastic/thermoset (TP/TS) laminates under seven typical loading boundary conditions. The influence of preload forms and clamping boundary conditions on the impact mechanical response and damage evolution of TP/TS laminates is first comparatively analyzed. The regulation mechanism of preload forms on the compressive failure behavior of laminates is elucidated through the innovative integration of three-dimensional digital image correlation (3D-DIC) and infrared thermography monitoring techniques. Through multiple regression analysis, a quantitative correlation model is established between damage characteristic parameters (such as dent depth, delamination damage projection area (DDPA), and energy dissipation) and CAI strength. Experimental results indicate that preload types and loading boundary conditions significantly affect the damage tolerance performance of laminates. Specifically, TS laminates under uniaxial compressive preload exhibit a typical “catastrophic” delamination failure mode, while TP laminates demonstrate superior damage tolerance characteristics. Furthermore, the dual-parameter evaluation model based on dent depth and DDPA overcomes the limitations of traditional single damage parameter assessments, providing a significant methodological reference for load-compatibility design and safety evaluation of composite structures in aerospace applications.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"302 ","pages":"Article 112530"},"PeriodicalIF":12.7,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143865022","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

An environmentally friendly superhydrophobic coating with high-temperature resistance, UV resistance, and abrasion resistance was fabricated on carbon fiber board via an aqueous phase polymer dispersion system 采用水相聚合物分散体系在碳纤维板上制备了一种具有耐高温、耐紫外线、耐磨损的环保型超疏水涂层

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-16 DOI: 10.1016/j.compositesb.2025.112533

Qian Su , Kangli Yang , Zhiqing Yuan , Cancheng Li , Shoutong Meng , Xuyu Long , Rui He

{"title":"An environmentally friendly superhydrophobic coating with high-temperature resistance, UV resistance, and abrasion resistance was fabricated on carbon fiber board via an aqueous phase polymer dispersion system","authors":"Qian Su , Kangli Yang , Zhiqing Yuan , Cancheng Li , Shoutong Meng , Xuyu Long , Rui He","doi":"10.1016/j.compositesb.2025.112533","DOIUrl":"10.1016/j.compositesb.2025.112533","url":null,"abstract":"<div><div>Aiming at the problems of carbon fiber board (CFB), which is not waterproof and has poor UV resistance, a superhydrophobic coating with UV resistance and high-temperature resistance was innovatively prepared on CFB using an aqueous-phase polymer dispersion system by a highly efficient spraying method. The whole preparation system is highly environmentally friendly and safe. The results showed that the superhydrophobic carbon fiber board (SKCFB) could resist UV up to 85 h, could withstand high temperatures up to 300 °C, and had a water contact angle (WCA) of 159°. In addition, the abrasion resistance of SKCFB is 140 and 180 cycles under the action of 800 grit and 1200 grit sandpaper, respectively, for a load of 100 g, and 110 cycles under the action of 600 grit sandpaper. When carrying a load of 500 g, the 600 mesh, 800 mesh, and 1200 mesh sandpaper can be used for 40, 60, and 80 cycles of abrasion resistance, respectively. Compared with other samples of the same type, this SKCFB is simpler to prepare, has a greener and safer preparation route, and has better performance, plus the ability to control the appearance color as desired. This study provides a novel green, simple, and fast strategy for preparing superhydrophobic coatings on CFBs. At the same time, it opens a new path for preparing superhydrophobic coatings and enhances their application in industry.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"301 ","pages":"Article 112533"},"PeriodicalIF":12.7,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850273","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

Multiphysics-coupled failure mechanism of Solid oxide fuel cell sealants under long-term operation: From microcrack evolution to electrochemical degradation and mechanistic damage 固体氧化物燃料电池密封胶长期运行的多物理场耦合失效机制：从微裂纹演化到电化学降解和机械损伤

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-15 DOI: 10.1016/j.compositesb.2025.112527

Hongxiang Zheng , Wenchun Jiang , Xiucheng Zhang , Shan-Tung Tu

{"title":"Multiphysics-coupled failure mechanism of Solid oxide fuel cell sealants under long-term operation: From microcrack evolution to electrochemical degradation and mechanistic damage","authors":"Hongxiang Zheng , Wenchun Jiang , Xiucheng Zhang , Shan-Tung Tu","doi":"10.1016/j.compositesb.2025.112527","DOIUrl":"10.1016/j.compositesb.2025.112527","url":null,"abstract":"<div><div>Solid oxide fuel cell (SOFC) sealant systems experience significant performance degradation and mechanical damage during prolonged high-temperature operation, which severely impacts their reliability and lifespan. This study investigates the degradation of electrochemical and mechanical performance, along with the microstructural evolution of the SrO–SiO<sub>2</sub>–MgO–Al<sub>2</sub>O<sub>3</sub> sealant, NiO-YSZ anode, and 430 stainless steel interconnect system over 5000 h of operation. The findings reveal that the SOFC stack exhibits a voltage decay rate of 6.50 % per thousand hours at a current density of 300 mA/cm<sup>2</sup>, with open-circuit voltage degradation reaching 7.82 % after 5000 h. Sealant failure impedes charge transfer and gas diffusion reactions, resulting in a 126.66 % increase in ohmic resistance. The precipitation of Sr<sub>2</sub>MgSi<sub>2</sub>O<sub>7</sub> and SiO<sub>2</sub> crystal phases in the sealant leads to increases of 75.15 % and 84.26 % in hardness and elastic modulus, respectively. The uneven precipitation of crystal phases also accelerates crack generation. The diffusion and enrichment of Mg, Sr, and Si elements at the sealant-anode interface further facilitate crack propagation. These cracks ultimately penetrate the entire sealant and single cell, leading to the failure of the SOFC structure. Multi-physics field coupled modeling reveals that the Mises stress, creep strain, and damage in SOFC stack components increase with the extent of sealant cracking. When the sealant is completely cracked, the current density of the SOFC at 0.60 V voltage decreases by 34.96 %, which significantly reduces the life of the SOFC stack. This study offers valuable insights for optimizing the design and extending the operational life of SOFC stacks.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"301 ","pages":"Article 112527"},"PeriodicalIF":12.7,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143828898","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

Hexagonal boron nitride (h-BN) “a miracle in white”: An emerging two-dimensional material for the advanced powered electronics and energy harvesting application 六方氮化硼（h-BN）“白色奇迹”：一种新兴的二维材料，用于先进的电力电子和能量收集应用

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-15 DOI: 10.1016/j.compositesb.2025.112531

Chinmoy Kuila , Animesh Maji , Naresh Chandra Murmu , Tapas Kuila

{"title":"Hexagonal boron nitride (h-BN) “a miracle in white”: An emerging two-dimensional material for the advanced powered electronics and energy harvesting application","authors":"Chinmoy Kuila , Animesh Maji , Naresh Chandra Murmu , Tapas Kuila","doi":"10.1016/j.compositesb.2025.112531","DOIUrl":"10.1016/j.compositesb.2025.112531","url":null,"abstract":"<div><div>The growing demand for batteries or other compact electronics received considerable attention because of its high energy density and excellent power-to-mass ratio. However, obstacles such as inconsistent temperature distribution, inefficient energy storage, and sluggish release rates have emerged. Effective heat dissipation is required for optimum efficiency and durability of electrical devices. Thus, it is crucial to develop thermally conductive hybrid fillers for improved heat management in such systems. Two-dimensional (2D) hexagonal boron nitride (h-BN), also known as \"white graphene,\" encounters conceivable uses in electronics and energy devices due to the broad bandgap (∼5.5 eV), superior thermal endurance, high thermal conductivity (TC), and exceptional dielectric properties. The anisotropic conductivity of BN causes a reduction in cross-plane TC, which is a fundamental concern for its practical deployments. Therefore, developing a unique technique and structural engineering remedy for enhancing BN's cross-plane TC could be achievable. The main focus of this article is to explore the phonon-phonon scattering phenomena, mechanisms, and insights to design h-BN-based composites with good cross-plane TC and electrical insulation. The article summarizes the significance of 2D h-BN in several sectors, including electronic packaging, energy (e.g., thermal energy management and conversion), and batteries/supercapacitors. These topics highlight cutting-edge filler properties and the innovative design of 2D h-BN. Finally, the challenges and perspectives of developing potential thermal interface materials (TIMs) are highlighted. Our insights offer an initial glimpse into future studies on fabricating advanced TIMs in an appropriate filler structure configuration for optimal cooling of electronic/optoelectronic devices.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"301 ","pages":"Article 112531"},"PeriodicalIF":12.7,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850275","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

Advancing aerospace maintenance: Thermochromic liquid crystal coating method for skin-to-core disbond detection in CFRP honeycomb structures 推进航空航天维护：热致变色液晶涂层方法用于检测 CFRP 蜂窝结构中的皮-芯脱粘现象

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-04-15 DOI: 10.1016/j.compositesb.2025.112516

M. Sun , D. Wowk , P.R. Underhill , T.W. Krause

{"title":"Advancing aerospace maintenance: Thermochromic liquid crystal coating method for skin-to-core disbond detection in CFRP honeycomb structures","authors":"M. Sun , D. Wowk , P.R. Underhill , T.W. Krause","doi":"10.1016/j.compositesb.2025.112516","DOIUrl":"10.1016/j.compositesb.2025.112516","url":null,"abstract":"<div><div>A novel Non-Destructive Evaluation (NDE) method for aerospace maintenance is introduced, utilizing advanced Thermochromic Liquid Crystal (TLC) ink to detect skin-to-core disbonds in carbon fiber-reinforced polymer (CFRP) honeycomb structures subjected to low-velocity impacts, representing a state-of-the-art integration of functional materials (TLC) with essential aerospace maintenance practices. Traditional NDE methods for detecting disbonds in aerospace structures often necessitate skilled technicians and sophisticated equipment. In contrast, the current study demonstrates that the proposed TLC coating method provides a straightforward, real-time detection technique that can serve as a preliminary or substitute inspection method. The detection and characterization results using the TLC coating method are rigorously evaluated through comparison with Forward-Looking Infrared (FLIR) by employing a high-performance thermal imaging camera. Results demonstrated that the TLC coating method achieved the same detection limits as FLIR thermography, with measurements of the disbond size differing by no more than 5 % between the two methods. A new heating method, Communicative Heating Thermography (CHT), was introduced for use with the TLC coating method in field applications without the need for post-processing, or expensive equipment. CHT enabled operators to dynamically adjust heat application based on real-time feedback from the TLC coating, optimizing disbond detection. This method was successfully implemented by untrained operators with an accuracy of 100 %.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"301 ","pages":"Article 112516"},"PeriodicalIF":12.7,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143847976","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