Composites Science and Technology最新文献_第9页

Water-based PES-NaPSS sizing agent without surfactant for interface enhancement of CF/PEEK composites 用于增强 CF/PEEK 复合材料界面的不含表面活性剂的水基 PES-NaPSS 施胶剂

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-10-01 DOI: 10.1016/j.compscitech.2024.110892

Kaixuan Lei , Wenzhen Qin , Shulin Bai , Jianfan Cao , Liang Chen

{"title":"Water-based PES-NaPSS sizing agent without surfactant for interface enhancement of CF/PEEK composites","authors":"Kaixuan Lei , Wenzhen Qin , Shulin Bai , Jianfan Cao , Liang Chen","doi":"10.1016/j.compscitech.2024.110892","DOIUrl":"10.1016/j.compscitech.2024.110892","url":null,"abstract":"<div><div>Improving the weak interfacial bonding of carbon fiber (CF)/polyetheretherketone (PEEK) composites is an extremely urgent need. Addressing this issue, sizing modification on CF surfaces is a conventional and effective method. In this work, polyethersulfone-polystyrene sulfonate sodium (PES-NaPSS) was successfully synthesized by UV illumination. A novel surfactant-free aqueous PES-NaPSS sizing agent was prepared by emulsion/solvent evaporation method to regulate the interface of CF/PEEK composites. From the XPS and SEM results, it can be seen that PES-NaPSS was uniformly coated on the CF surfaces, which introduced the reactive groups on the CF surfaces. The PES-NaPSS sizing agent exhibits good thermal performance and storage stability, meeting the needs for high temperature processing of CF/PEEK composites. Compared with the unsized CF/PEEK composites, the ILSS, flexural strength and modulus of the 0.9 wt% PES-NaPSS modified CF/PEEK composite are improved by 32.8 %, 40.3 % and 37.4 %, respectively. Accordingly, the mechanisms of the interface improvement are physical riveting, chain entanglement, chemical and physical interactions between the PES-NaPSS and PEEK matrix. This green and effective method of interface improvement will supply a prerequisite for the extensive application of CF/PEEK composites.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"258 ","pages":"Article 110892"},"PeriodicalIF":8.3,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418003","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

Molecular dynamics simulations of thermomechanical properties of silicone-modified phenolic polymer 硅改性酚醛聚合物热力学特性的分子动力学模拟

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-09-30 DOI: 10.1016/j.compscitech.2024.110878

Jie Xiao, Guodong Fang, Bing Wang, Changqing Hong, Songhe Meng

{"title":"Molecular dynamics simulations of thermomechanical properties of silicone-modified phenolic polymer","authors":"Jie Xiao, Guodong Fang, Bing Wang, Changqing Hong, Songhe Meng","doi":"10.1016/j.compscitech.2024.110878","DOIUrl":"10.1016/j.compscitech.2024.110878","url":null,"abstract":"<div><div>The silicone-phenolic multicomponent polymers are typically employed as the matrix of fiber-reinforced nanocomposites developed for reentry vehicles due to their excellent thermal and mechanical properties. The thermomechanical properties of the silicone-phenolic multicomponent polymer system, which are greatly related to the processing and microstructures, were studied using molecular dynamics (MD) simulations combined with experiments. A multistep dynamic polymerization approach was utilized to form the crosslinked polymer model, which was also validated in terms of both microstructures and properties. The thermomechanical properties of the crosslinked polymer system were established as a function of crosslinking degree, component ratio, temperature, strain rate, and cooling rate, and the influence mechanisms of the processing parameters were revealed. The crosslinking degree can greatly influence the glass transition temperature and volumetric coefficient of thermal expansion, which is attributed to the constrained chain mobility. The crosslinking degree and the component ratio have a significant effect on the morphologies and vibrational density of states of the polymer system, respectively, which in turn affects the thermal conductivity. The failure mode during uniaxial tensile was investigated in terms of the atomic energy distribution through MD simulations. The elastic and plastic deformation stages are dominated by intermolecular non-bonding interactions, but less contributed by the bonding interactions. This work can guide the design of polymeric nanocomposites by establishing the relationship of processing-microstructure-thermomechanical properties.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"258 ","pages":"Article 110878"},"PeriodicalIF":8.3,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142417678","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

Fabrication and in-plane compressive collapse of CFRP honeycomb metamaterials CFRP 蜂窝超材料的制作和平面内压缩塌陷

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-09-30 DOI: 10.1016/j.compscitech.2024.110888

Zhipeng Wang , Jianfeng Li , Wei Zhang , Jinze Jiao , Yuan Yuan , Qinghua Qin

引用次数: 0

Hygroscopic and hydrothermal aging behaviors and performance deterioration mechanisms of jute yarn wound composites 黄麻纱缠绕复合材料的吸湿和水热老化行为及性能劣化机理

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-09-30 DOI: 10.1016/j.compscitech.2024.110891

Jiangjing Shi , Tianhao Shen , Wenfu Zhang , Hong Chen , Changlei Xia

{"title":"Hygroscopic and hydrothermal aging behaviors and performance deterioration mechanisms of jute yarn wound composites","authors":"Jiangjing Shi , Tianhao Shen , Wenfu Zhang , Hong Chen , Changlei Xia","doi":"10.1016/j.compscitech.2024.110891","DOIUrl":"10.1016/j.compscitech.2024.110891","url":null,"abstract":"<div><div>The gyratory jute yarn wound composites (JYWCs) manufactured by the filament winding process show significant potential as eco-friendly alternatives to plastic pipes commonly used in outdoor settings. Ensuring the long-term service performance and durability of the JYWCs in hot and humid environments becomes critical. This study investigated the hygroscopic and hydrothermal aging behaviors of the JYWCs to elucidate their performance deterioration mechanisms. Compared with hygroscopic aging, long-term hydrothermal aging posed a more serious threat to the overall performance of the JYWCs. The jute yarns in the JYWCs experienced swelling, shrinkage, and degradation due to hygroscopic and hydrothermal aging, leading to a 47.4 % and 161.5 % increase in the void volume fraction of the JYWCs, respectively. The deterioration in the mechanical properties of the JYWCs was attributed to the attenuation of jute yarn properties, debonding of the fiber-resin matrix interface, and an increase in voids within the composites. Improving the manufacturing process to minimize voids in the JYWCs and control the pathways for moisture absorption is a highly effective strategy to enhance their long-term performance and durability.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"258 ","pages":"Article 110891"},"PeriodicalIF":8.3,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142417679","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

Atomic force microscopy-based nanoindentation technique for characterizing the transverse and shear moduli of flax fibers 基于原子力显微镜的纳米压痕技术表征亚麻纤维的横向和剪切模量

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-09-30 DOI: 10.1016/j.compscitech.2024.110890

P.V. Divakarraju , V. Pandurangan , M. Nithyadharan

{"title":"Atomic force microscopy-based nanoindentation technique for characterizing the transverse and shear moduli of flax fibers","authors":"P.V. Divakarraju , V. Pandurangan , M. Nithyadharan","doi":"10.1016/j.compscitech.2024.110890","DOIUrl":"10.1016/j.compscitech.2024.110890","url":null,"abstract":"<div><div>Experimentally evaluating the elastic properties of flax fibers is challenging due to their complex hierarchical structure, and a standard test procedure for measuring their transverse and shear moduli is currently not reported in the literature. Hence, this study presents an atomic force microscopy (AFM) based nanoindentation technique to evaluate the transverse and shear moduli of flax fiber. A high-precision focused ion beam (FIB)-milling process was used to fabricate a flat surface for indentation along the longitudinal fiber cross-section of the fiber and transverse fiber cross-section by polishing the unidirectional (UD) lamina in order to evaluate the indentation modulus. Further, Swanson's numerical contour approach was adopted to evaluate the elastic properties of the fiber from the measured indentation modulus. The accuracy of the experimentally obtained fiber properties is verified by using it in a micromechanics model for predicting the elastic properties of the UD lamina and comparing it with experimental results reported in the literature.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"258 ","pages":"Article 110890"},"PeriodicalIF":8.3,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142417754","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

Aspect ratio-dependent volume resistivity in unidirectional composites: Insights from electrical conduction behavior 单向复合材料中与长宽比相关的体积电阻率：从电传导行为中获得的启示

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-09-28 DOI: 10.1016/j.compscitech.2024.110887

Gen Li, Tianwei Wu, Junjie Zhang, Frew Asamnewu Fikru, Baozhong Sun, Bohong Gu

{"title":"Aspect ratio-dependent volume resistivity in unidirectional composites: Insights from electrical conduction behavior","authors":"Gen Li, Tianwei Wu, Junjie Zhang, Frew Asamnewu Fikru, Baozhong Sun, Bohong Gu","doi":"10.1016/j.compscitech.2024.110887","DOIUrl":"10.1016/j.compscitech.2024.110887","url":null,"abstract":"<div><div>The electrical properties of carbon fibers serve as the foundation for the multifunctional applications of carbon fiber-reinforced composite structures. In scenarios that exploit the electrical characteristics of materials, accurate estimation of electrical resistivity stands as a critical factor. This study endeavors to elucidate the electrical conduction behaviors in unidirectional composites with different fiber orientation angles (0°, 15°, 30°, 45°, 60°, 75°, and 90°) and aspect ratios, thereby deriving the volume resistivity within an arbitrary Cartesian coordinate system. Employing thermal infrared imaging technology and finite element analysis, we identified distinctive electrical conduction behaviors associated with aspect ratios in carbon fiber composite plates. Notably, a critical aspect ratio exists wherein the diagonal yarn is the only conductive path between two electrodes. Below this critical threshold, no direct conductive path exists, and current flows through the shortest distance between parallel yarns. Conversely, beyond the critical aspect ratio value, multiple yarns form conductive paths between the two electrodes. Based on the electrical conduction behavior of unidirectional composites under different angles and aspect ratios, the volume resistivity with finite boundaries was derived and examined under an arbitrary Cartesian coordinate basis.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"258 ","pages":"Article 110887"},"PeriodicalIF":8.3,"publicationDate":"2024-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142417755","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

3D printing enhanced piezoelectricity of MXene/P(VDF-TrFE) composites for energy harvesting and force sensing 三维打印增强 MXene/P(VDF-TrFE)复合材料的压电性，用于能量采集和力传感

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-09-27 DOI: 10.1016/j.compscitech.2024.110881

Ceng Li , Ziyue Huang , Liang Zhang , Zifei Song , Ying Chen , Xiangwu Chang , Penghao Hu

{"title":"3D printing enhanced piezoelectricity of MXene/P(VDF-TrFE) composites for energy harvesting and force sensing","authors":"Ceng Li , Ziyue Huang , Liang Zhang , Zifei Song , Ying Chen , Xiangwu Chang , Penghao Hu","doi":"10.1016/j.compscitech.2024.110881","DOIUrl":"10.1016/j.compscitech.2024.110881","url":null,"abstract":"<div><div>In pursuit of advanced self-powered wearable devices, piezoelectric materials have aroused great attention due to their stable energy harvesting ability from surroundings. However, traditional piezoelectric polymer-based nanogenerators necessitate a high-energy process to align the dipoles of the polymer, which is cumbersome, expensive, and could even lead to material deterioration. To address this challenge, we present a composite strategy with self-poling capability enabled by the extrusion-based 3D printing. MXene nanosheets were introduced into the fluoropolymer poly(vinylidene fluoride-co-trifluoroethylene) (PVDF-TrFE) to provide strong hydrogen bonding as anchors. Under the shear stress generated by the extrusion process, the alignment of the dipoles was realized without additional treatment. The resulting piezoelectric nanogenerator exhibits an open-circuit voltage of 5.5 V, a short-circuit current of 1.1 μA, and the output power density of 68 μWcm<sup>−3</sup> under the force of 22 N and a frequency of 2 Hz. A self-powered sensor was assembled and demonstrated high sensitivity for human motions and facial expressions. Moreover, the 3D-printed piezoelectric composites present good flexibility, which is a crucial property for wearable devices. With the free design capabilities of the 3D printing technology, this strategy may pave the way for customized and feasible processing of high-performance piezoelectric nanogenerators and force sensors.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"258 ","pages":"Article 110881"},"PeriodicalIF":8.3,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142356989","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

“Reinforced concrete” design of robust mineralized cellulose composite with multilayered structure for efficient CO2 capture and passive radiative cooling ability 具有多层结构的坚固矿化纤维素复合材料的 "钢筋混凝土 "设计，可有效捕获二氧化碳并具有被动辐射冷却能力

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-09-27 DOI: 10.1016/j.compscitech.2024.110886

Chengling Huang, Hou-Yong Yu, Guozhuo Chen, Yiqi Liao

{"title":"“Reinforced concrete” design of robust mineralized cellulose composite with multilayered structure for efficient CO2 capture and passive radiative cooling ability","authors":"Chengling Huang, Hou-Yong Yu, Guozhuo Chen, Yiqi Liao","doi":"10.1016/j.compscitech.2024.110886","DOIUrl":"10.1016/j.compscitech.2024.110886","url":null,"abstract":"<div><div>The construction industry promotes the economic development of the country by addressing society's housing needs. However, the industry's energy consumption and carbon dioxide (CO<sub>2</sub>) emissions are the primary contributors to global warming. Traditional building materials are no longer capable of meeting the requirements of sustainable development, while natural cellulose can be used as a new type of carbon capture construction material. Inspired by the “reinforced concrete” methodology, a mineralized cellulose composite (ML-CCM) was fabricated through a strategy of vacuum filling and in-situ mineralization, resulting in a composite with a multi-level structure (a natural microporous 3D scaffold loofah as “rebar” and cellulose filler as “cement” are staggered in the composite). The resultant ML-CCM1 exhibited a significantly high flexural strain (approximately 215.9 % of that of cellulose composite without loofah) because of the 3D scaffold loofah acting as a “rebar”. Furthermore, the composite possesses flame retardancy, superior thermal insulation at 90 °C, and passive radiative cooling performance due to the micro-nano ZnO particle in the “cement”. Moreover, the multi-level structure, consisting of pores and micro-nano particles, enables it to effectively adsorb CO<sub>2</sub> and environment tobacco smoke. As a result, lifecycle assessments underscore the composite's low Global Warming Potential. Therefore, this work reports a promising 3D bio-based composite with CO<sub>2</sub> capture for energy conservation and carbon reduction in the construction industry.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"258 ","pages":"Article 110886"},"PeriodicalIF":8.3,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142328110","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

Improving the ablation performance of largely deformed silicone rubber-based composites under coupled mechanical-thermal-oxidative conditions by implementing deformable carbon fiber fabrics 在机械-热氧化耦合条件下，通过采用可变形碳纤维织物提高大变形硅橡胶基复合材料的烧蚀性能

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-09-25 DOI: 10.1016/j.compscitech.2024.110876

Zhaohui Lu, Shengtai Zhou, Liwei Yan, Yue Tian, Huawei Zou, Xiancheng Ren

{"title":"Improving the ablation performance of largely deformed silicone rubber-based composites under coupled mechanical-thermal-oxidative conditions by implementing deformable carbon fiber fabrics","authors":"Zhaohui Lu, Shengtai Zhou, Liwei Yan, Yue Tian, Huawei Zou, Xiancheng Ren","doi":"10.1016/j.compscitech.2024.110876","DOIUrl":"10.1016/j.compscitech.2024.110876","url":null,"abstract":"<div><div>Silicone rubber-based composites are used as thermal protection materials due to their large deformability and excellent thermal insulation properties. In this study, two types of commercially available silicone rubbers were selected as the matrices for preparing flexible thermal protection materials. The influence of applied strain rates on the microstructure, ablation and ceramifiable behavior of silicone rubbers was studied. The research showed that the ablation performance of silicone rubbers deteriorated greatly at large strain rates. The reinforcement using deformable carbon fiber fabrics was proposed to effectively counter the deterioration of the ablative properties incurred by applying external strain. The back-face temperature reached as low as 186 °C when the samples were ablated at above 1000 °C for 50s at a strain rate of 20 %. The proposed strategy was proved helpful in developing high performance flexible thermal protection systems that exhibit promising application in the fields of aerospace and fire protection among others.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"258 ","pages":"Article 110876"},"PeriodicalIF":8.3,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142417680","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 hyperelastic model considering the coupling of shear-compression for the forming simulation of 3D orthogonal composite preforms 考虑到剪切-压缩耦合的超弹性模型，用于三维正交复合预成型件的成型模拟

IF 8.3 1区材料科学

Composites Science and Technology Pub Date : 2024-09-24 DOI: 10.1016/j.compscitech.2024.110884

Xu Zhang , Sheng Zhang , Huajun Zhang , Chenyang Liu , Yue Zhou , Chengqian Dong , Xiguang Gao , Fang Wang , Yingdong Song

{"title":"A hyperelastic model considering the coupling of shear-compression for the forming simulation of 3D orthogonal composite preforms","authors":"Xu Zhang , Sheng Zhang , Huajun Zhang , Chenyang Liu , Yue Zhou , Chengqian Dong , Xiguang Gao , Fang Wang , Yingdong Song","doi":"10.1016/j.compscitech.2024.110884","DOIUrl":"10.1016/j.compscitech.2024.110884","url":null,"abstract":"<div><div>The shear-compression coupling phenomenon is vital in the forming process of complex 3D woven composite components, but has not been effectively considered in existing macroscopic material models. A hyperelastic material model considering shear-compression coupling is developed here. Firstly, in-plane shear tests on pre-compressed specimens and compression tests on pre-sheared specimens were carried out, respectively. The results show that pre-compression can hinder and promote the in-plane shear deformation before and after shear locking occurs in the fabric, respectively. In-plane shear can contribute to compression. Then, a nonlinear hyperelastic constitutive model is presented and implemented in an Abaqus/Explicit user subroutine. Finally, a simulation study of the hemispherical forming of 3D orthogonal woven fabric was conducted using this model. The simulation results considering shear-compression coupling show more accurate in-plane shear angles and edge shapes compared to those without considering coupling. Moreover, since the shear-compression coupling is considered, the friction between the fabric and the tool needs to be reasonably discussed in the moulding simulation.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"258 ","pages":"Article 110884"},"PeriodicalIF":8.3,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142356987","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