Composites Science and Technology最新文献

{"title":"Assembly of PAN/Gr@MWCNTs/CoFe2O4 multilayer composite films for high-efficiency electromagnetic shielding and Joule heating","authors":"Siwen Deng ,&nbsp;Mingyao Dai ,&nbsp;Bodu Fang ,&nbsp;Yanqin Huang ,&nbsp;Shulong Zeng ,&nbsp;Zhunan Huang ,&nbsp;Jiahui Xue ,&nbsp;Xiaodong Li ,&nbsp;Shaohong Shi ,&nbsp;Fangchao Cheng","doi":"10.1016/j.compscitech.2025.111081","DOIUrl":"10.1016/j.compscitech.2025.111081","url":null,"abstract":"<div><div>Creating novel, high-efficiency and multi-functional electromagnetic interference (EMI) shielding materials with high absorption attenuation is crucially important for integrated electronic devices. Herein, heterogeneous polyacrylonitrile (PAN)/graphene (Gr)@multi-walled carbon nanotubes (MWCNTs)/CoFe₂O₄ multilayer films featuring electric-magnetic coupling were fabricated through a facile vacuum filtration method. The asymmetric layered architecture was composed of a flexible PAN electrospun nanofiber mat, an electrically conductive hybrid of Gr@MWCNTs, and a layer of insulating CoFe₂O₄ particles. The nanosized magnetic CoFe₂O₄ particles with unique magnetic hysteresis loss and natural resonance were synthesized by hydrothermal method and deposited on the conductive layer, to improve the impedance matching and reduce the electromagnetic wave (EMW) reflection. As a consequence, after incorporating the CoFe₂O₄ layer, the EMW absorption loss (SE_A) was improved from 21.7 to 25.7 dB. Furthermore, the hybrid conductive network was regulated by altering the ratio of two-dimensional (2D) Gr to one-dimensional (1D) MWCNTs, to endow the well-designed multilayer films with a high EMI shielding effectiveness (SE) of 40.1 dB and a superior specific shielding effectiveness (SSE) of 326.3 dB/mm. By virtue of the fine-tuned Gr@MWCNTs conductive network, the PAN/Gr@MWCNTs/CoFe₂O₄ multilayer films exhibited excellent Joule heating performance, with high sensitivity, low driving voltage, rapid response, superior cycling stability and long-term durability. The multilayer films could be controllably heated to 114.1 °C within 5 s under a low input voltage of 3.00 V. This work presents a viable strategy for exploiting functional materials that exhibit excellent EMI shielding and thermal management performance, suitable for applications in electronics operating at extremely low temperatures.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"262 ","pages":"Article 111081"},"PeriodicalIF":8.3,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143092887","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}

{"title":"Advanced Meta-Modeling framework combining Machine Learning and Model Order Reduction towards real-time virtual testing of woven composite laminates in nonlinear regime","authors":"M. El Fallaki Idrissi ,&nbsp;A. Pasquale ,&nbsp;F. Meraghni ,&nbsp;F. Praud ,&nbsp;F. Chinesta","doi":"10.1016/j.compscitech.2025.111055","DOIUrl":"10.1016/j.compscitech.2025.111055","url":null,"abstract":"<div><div>This paper presents an advanced meta-modeling framework that efficiently combines Machine Learning and Model Order Reduction (MOR) techniques for real-time virtual testing of woven composite materials. The framework is specifically designed to develop a multiparametric solution capable of accurately predicting the macroscopic nonlinear stress–strain curves of woven composite laminates submitted to loading–unloading paths. It takes into account five key microstructural parameters: yarn weft width, yarn warp width, yarn spacing, fabric thickness as well as the reinforcement orientation. The methodology employs the Proper Orthogonal Decomposition (POD) technique to decompose the stress–strain curves, extracting principal features that effectively characterize the overall composite’s response. Subsequently, a Random Forest machine learning model is applied to interpolate these features across the microstructural parameter space, allowing for rapid retrieval of corresponding features for any new laminate configuration in the nonlinear regime. A key advantages of this approach is its capacity to dynamically generate extensive virtual test databases, in real-time, across a wide range of composite laminate configurations. This capability provides a comprehensive and efficient tool for analyzing and optimizing composite performance while substantially reducing both experimental and computational costs. Furthermore, to enhance usability for engineers and researchers, this multiparametric solution has been integrated into a user-friendly Graphical User Interface (GUI) application. This GUI empowers users to easily explore various laminate configurations, visualize results, and conduct virtual testing, establishing the framework as a powerful tool for real-time virtual testing and in-depth analysis of microstructural effects on composite materials.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"262 ","pages":"Article 111055"},"PeriodicalIF":8.3,"publicationDate":"2025-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143092891","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}

{"title":"Numerical simulation of heat transfer of highly filled composites with spherical alumina fillers","authors":"Ruoyu Zong ,&nbsp;Bin Liu ,&nbsp;Shijun Wang ,&nbsp;Xiao Jia ,&nbsp;Shikun Li ,&nbsp;Xiulan Huai","doi":"10.1016/j.compscitech.2025.111064","DOIUrl":"10.1016/j.compscitech.2025.111064","url":null,"abstract":"<div><div>By employing the molecular dynamics based Modified Sequential Absorption (MSA) algorithm, the 3D models containing high volume fraction spherical <span><math><mrow><msub><mrow><mi>Al</mi></mrow><mrow><mi>2</mi></mrow></msub><msub><mrow><mi>O</mi></mrow><mrow><mi>3</mi></mrow></msub><mo>/</mo><mi>SR</mi></mrow></math></span> fillers (up to 62.41 vol%) were established for simulating the thermal performances of the composites. The formation probability of thermal conductive pathway inside the material was quantitatively characterized by the particle contact probability, where the effective contact was determined by a dimensionless comprehensive influencing parameter. Then, the effects of volume fraction, contact situation between fillers, interfacial thermal resistance, and the binary filling scheme on thermal conductivity of the composite material were investigated. Increasing the volume fraction can remarkably improve the thermal conductivity of composite materials. However, improvement of filler-filler contact and the filler-matrix contact shows less profit. The optimal proportion of small particles in the binary mixtures shows consistency at different volume fractions and the thermal conductivity of the composites steadily increases with the increase of the diameter ratio of two-sized fillers. This work is beneficial to understand the thermal conductive mechanism and guide the performance optimization of composites.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"263 ","pages":"Article 111064"},"PeriodicalIF":8.3,"publicationDate":"2025-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143158611","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}

{"title":"Breathable and highly sensitive self-powered pressure sensors for wearable electronics and human-machine interaction","authors":"Lijun Wu ,&nbsp;Jinrong Huang ,&nbsp;Yiqun Chen ,&nbsp;Tong Wang ,&nbsp;Jianwen Chen ,&nbsp;Xiaohua Chang ,&nbsp;Zenghe Liu ,&nbsp;Zunfeng Liu ,&nbsp;Yutian Zhu","doi":"10.1016/j.compscitech.2025.111078","DOIUrl":"10.1016/j.compscitech.2025.111078","url":null,"abstract":"<div><div>Self-powered pressure sensors have gained significant attention for their transformative potential in wearable electronics, Internet of Things (IoT) devices, and artificial e-skins. However, attaining high sensitivity while maintaining good breathability has proven to be a formidable challenge. In this study, we design a hierarchically structured all-nanofiber self-powered pressure sensor utilizing the triboelectric and electrostatic induction principles. The sensor is fabricated via an electrospinning process and consists of a multi-layered architecture comprising nanofiber membranes (NMs): a polyvinylidene fluoride/graphene NM as the negative friction layer, an ethyl cellulose/polyvinyl polypyrrolidone NM as the positive friction layer, and silver nanowire-loaded polyurethane NMs as the electrode layers. This innovative all-nanofiber design not only ensures remarkable breathability but also achieves outstanding sensitivity (15.91 V/kPa) and low detection limits (0.0044 N and 1°), attributed to the enhanced surface roughness and amplified surface charge potential of the friction layer. The sensor demonstrates its versatility by accurately monitoring various human motions and performing dual-language character recognition (Chinese and English), highlighting its vast potential for applications in wearable electronics, human-machine interaction, and next-generation e-skins.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"262 ","pages":"Article 111078"},"PeriodicalIF":8.3,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143093036","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}

{"title":"Inspired by adipose tissue, mechanically robust and reprocessable LM-based composites for ultra-sensitive flexible pressure sensors","authors":"Zequan Li ,&nbsp;Fangyan Ou ,&nbsp;Zhichao Zhang ,&nbsp;Chuang Ning ,&nbsp;Fuqi Wang ,&nbsp;Ting Xie ,&nbsp;Wenyu Pan ,&nbsp;Zhuan zhang ,&nbsp;Qihua Liang ,&nbsp;Shuangliang Zhao ,&nbsp;Wei Gao","doi":"10.1016/j.compscitech.2025.111061","DOIUrl":"10.1016/j.compscitech.2025.111061","url":null,"abstract":"<div><div>The self-healing conductive elastomers can self-healing when subjected to external damage, making them popular candidate for flexible electronic device materials. However, their insufficient mechanical and self-healing properties limit practical applications. Therefore, it is urgent to develop self-healing conductive elastomer materials with mechanical stability. In this word, inspired by the two-phase structure of adipose tissue, a self-healing elastomer (SBS-TA-7%) with excellent mechanical properties was prepared by simple grafting modification of styrene-butadiene-styrene block copolymer (SBS). The synergistic effect of hydrogen bonding, imine bonding and π-π stacking enhances the interactions of the polymer network, enabling rapid repair after damage and improving the self-healing ability and mechanical properties of the material. The SBS-TA-7% elastomers exhibit excellent self-healing capabilities, reaching a self-healing efficiency of 97.38 %. Compared to unmodified SBS, the strength and toughness of SBS-TA-7% were increased by 42 times (4.19 MPa) and 13.5 times (20.65 MJ/m³), respectively. On this basis, self-healing conductive elastomers (SBS-TA-7%/LM) with excellent mechanical and conductive properties were further prepared by introducing liquid metal (LM) into SBS-TA-7%. The SBS-TA-7%/LM based self-healing pressure sensors offer high response values (536), fast response/recovery speeds (60/130 ms) and low pressure detection (0.03 kPa).The SBS-TA-7%/LM-based pressure sensing array monitors the pressure distribution of objects and plantar pressure distribution in different postures. The 8 different walking postures were identified by machine learning, and the recognition rate was as high as 98.1 %. This study provides valuable insights into the design of self-healing elastomers and expands the application field of self-healing conductive elastomers in green pressure sensors.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"262 ","pages":"Article 111061"},"PeriodicalIF":8.3,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143092894","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}

{"title":"Characterizing strain-rate dependent longitudinal compressive property of carbon fiber composite tows using a novel test method","authors":"Jiahui Gu ,&nbsp;Yang Bai ,&nbsp;Hang Wu ,&nbsp;Zhenqiang Zhao ,&nbsp;Chao Zhang","doi":"10.1016/j.compscitech.2025.111077","DOIUrl":"10.1016/j.compscitech.2025.111077","url":null,"abstract":"<div><div>The dynamic mechanical properties of composite tows, which bear the primary external loads and absorb a significant portion of energy, directly influence the impact resistance of textile composites. To the best of our understanding, this is the first exploratory study introducing a dynamic longitudinal compression test method for composite tows, based on a Split Hopkinson Pressure Bar (SHPB) system. The optimal fabrication method for composite tows has been ascertained through comparative analysis and characterization. Following experimental and numerical analyses, a dumbbell-shaped configuration has been validated for compression specimens, as it not only facilitates effective compression failure modes and stress equilibrium but also satisfies the other fundamental requirements of SHPB tests. Additionally, the percent bending of composite tows under compression was assessed utilizing an innovative dual-reflector method. Experimental results indicate that the dynamic compressive strength and failure strain at 700 s⁻¹ exhibit a significant increase of approximately 116% and 110%, respectively, in comparison to the quasi-static condition at 1.5 × 10⁻⁵ s⁻¹. Furthermore, a series of morphological examinations and analyses were performed to comprehend the rationale behind their disparities at diverse strain rates. The results reveal that kink bands and longitudinal splitting constitute the primary failure modes in dynamic compression, while fiber kinking emerges as the predominant mode under quasi-static loadings.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"262 ","pages":"Article 111077"},"PeriodicalIF":8.3,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143127847","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}

{"title":"Ultralight and high sensitive CA/TPU/PPy nanofiber aerogels with coaxial conductive structure for wearable piezoresistive sensors","authors":"Long Chen ,&nbsp;Siqi Chen ,&nbsp;Jiaqi Li ,&nbsp;Chenyao Hu ,&nbsp;Miaomiao Zhu ,&nbsp;Ranhua Xiong ,&nbsp;Chaobo Huang","doi":"10.1016/j.compscitech.2025.111062","DOIUrl":"10.1016/j.compscitech.2025.111062","url":null,"abstract":"<div><div>Flexible wearable electronics impose ever-more stringent demands on the design strategies for piezoresistive sensing materials. Nanofiber aerogels (NFAs) have emerged as a focal point in this field, attributed to their unique characteristics such as low density, extensive specific surface area, high porosity, and outstanding mechanical performance. Conventional methods for fabricating conductive NFA composites often entail complex procedures, including additional thermal annealing and carbonization, to establish three-dimensional conductive networks, which significantly hinder scalability and practical applications. To overcome this challenge, we propose a sustainable, cost-effective, and efficient hydrogen-bonded self-assembly drive strategy for designing conductive nanofiber networks with robust coaxial structures. During polymerization, pyrrole monomers were in situ polymerized onto cellulose acetate/thermoplastic polyurethane (CA/TPU) composite nanofibers through hydrogen-bonding, forming a roubst conductive shell layer while facilitating the mutual cross-linking of short nanofibers to establish a porous three-dimensional network. Benefiting from the nanofiber skeleton and multilevel pore structure, the resultant CA/TPU/PPy NFA (CTP-NFA) possesses an ultra-low volume density (30.77 mg cm⁻³) and remarkable mechanical properties (55.78 kPa at 80 % strain), enduring deformation under 1700 times its weight. Furthermore, the associated aerogel sensor exhibits ultra-high sensitivity (33.56 kPa⁻¹), rapid response time (100 ms), and exceptional cycling stability (&gt;5500 cycles of compression). Significantly, the NFA-based piezoresistive sensor precisely detects pressure signals as low as 30 Pa, enabling accurate monitoring of adult pulse waveforms. Given its superior performance, the resultant NFA presents substantial promise for applications in human health monitoring and human-computer interaction.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"262 ","pages":"Article 111062"},"PeriodicalIF":8.3,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143092896","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}

{"title":"Carbon nanotubes-intervened interface design of quartz fiber/polyurethane composite fibers towards improved mechanical properties","authors":"Jiajing Zhang ,&nbsp;Zhaozixuan Zhou ,&nbsp;Chunhua Zhang ,&nbsp;Zhuan Fu ,&nbsp;Sijie Zhou ,&nbsp;Jiaxing Shao ,&nbsp;Liangjun Xia ,&nbsp;Xin Liu ,&nbsp;Weilin Xu","doi":"10.1016/j.compscitech.2025.111065","DOIUrl":"10.1016/j.compscitech.2025.111065","url":null,"abstract":"<div><div>Inspired by the <em>Xanthium</em> fruit-like structure, a hybrid hardness and softness structure of carbon nanotubes (CNTs) and polymer chains is considered to be a promising hybrid grafting material. The distributed hard CNTs and soft polymer chains (γ -mercaptopropyl triethyl silane, MPTS) increase the surface roughness of short quartz fibers (QFs), forming a percolated network throughout the surrounding polyurethane (PU) matrix, thereby improving the interfacial interaction between QFs and PU. The modified QFs demonstrate improved interfacial adhesion, higher fiber surface energy, and greater interfacial area failure resistance. The composite fibers exhibited better interfacial adhesion owing to the multi-scale interface structure by CNT@MPTS. In comparison to the unmodified QFs, the interfacial shear force increased by 50.59 %, respectively. Enhancements in the mechanical properties, load transfer in the interface phase, local stress elimination, and inhibition of interphase crack are also brought about by the synergistic effect of CNT and MPTS. The tensile strength of CNT@MPTS modified QFs/PU composite fibers (8%[email protected]%QFPU) rose by 16.72 %. These results indicate a promising route toward developing continuous QFs-based composites with applications as textile-reinforced polymer composites.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"262 ","pages":"Article 111065"},"PeriodicalIF":8.3,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143092892","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}

{"title":"Multifunctional bionanocomposite hydrogels based on gelatin methacrylate and polyphenolic 2D nanoparticles Decorated with antimicrobial Bis(imidazolium)-based ionic liquids","authors":"Sevda Zaki-Germi ,&nbsp;Davoud Afshar ,&nbsp;Ali Akbari ,&nbsp;Nasser Nikfarjam","doi":"10.1016/j.compscitech.2025.111059","DOIUrl":"10.1016/j.compscitech.2025.111059","url":null,"abstract":"<div><div>Developing multifunctional bionanocomposite hydrogels with enhanced mechanical strength and antimicrobial properties is essential for advancing therapeutic applications in biomedical settings. Recent trends incorporate nanoparticles like silver and titanium dioxide for antibacterial action, and graphene oxide for mechanical robustness; however, these approaches often face scalability and cost limitations. This study introduces two-dimensional (2D) nanosheets incorporating ionic liquids to enhance gelatin methacrylate-based hydrogels by simultaneously imparting mechanical robustness, antioxidant properties, and antimicrobial activity. These 2D nanosheets were produced through polyphenolic fractions of propolis-based nanosheets (PFPNSs) through pyrolysis in a neutral atmosphere, followed by functionalization with 3-(Trimethoxysilyl)propyl methacrylate (MPS) and a bisimidazolium based dicationic ionic liquid (BIm-IL) (PFPNS@MPS-BIm-IL). The functionalization with MPS as a silane coupling agent promotes covalent bonding between the nanosheets and polymer chains, improving mechanical stability. Additionally, incorporating ionic liquids significantly boosts the inherent antimicrobial properties of PFPNS, increasing cation availability for microbial membrane disruption. The resulting hydrogels named HGNSILx (including nanosheets functionalized with ionic liquids and vinyl groups) exhibit superior porosity, tunable mechanical attributes, swelling ratios, protein adsorption and significant antimicrobial and hemocompatibility properties, indicating their potential for various biomedical applications. This comprehensive integration enhances cell viability, biocompatibility, and adhesion to natural bone. HGNSILx are promising candidates for tissue regeneration and advanced wound healing applications. Their superior mechanical properties make them particularly well-suited for bone tissue engineering. Additionally, their potential to promote healing and reduce infection risks positions them as valuable options in post-surgical recovery and wound management, ultimately reducing healing times and improving patient outcomes.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"262 ","pages":"Article 111059"},"PeriodicalIF":8.3,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143092895","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}

{"title":"Component-level fatigue life prediction of short fiber reinforced polymers via a novel parametric fatigue dataset generation method","authors":"Lei Zhang ,&nbsp;Hanyu Zhang ,&nbsp;Zhao Liu ,&nbsp;Ping Zhu","doi":"10.1016/j.compscitech.2025.111060","DOIUrl":"10.1016/j.compscitech.2025.111060","url":null,"abstract":"<div><div>Predicting the fatigue life of short fiber reinforced polymers (SFRP) is complicated due to their inherent heterogeneity and in-service alternating loads. Despite numerous research addressing the fatigue life prediction of SFRP specimens, applying these findings to engineering applications remains challenging. This study presents an innovative component-level fatigue life prediction framework for SFRP components, central to which is a parametric material fatigue dataset (MFD) generation method considering fiber microstructures and stress ratios. Local fiber orientation tensors from mold flow analysis are then mapped onto the structural mesh to obtain the stress field. Fatigue life is subsequently solved using MFD and local stress via a polynomial-form parametric multiaxial fatigue failure criterion. The accuracy of the MFD generation method and the fatigue life calculation algorithm is confirmed through micromechanical models and fatigue tests on specimens with various orientations and stress ratios. Final validation is achieved via fatigue tests and numerical modeling of an SFRP automobile tailgate. Results show that the fatigue crack initiation is accurately identified, and the predicted life falls within a threefold error band of the experimental value, confirming the high reliability of this framework. This study advances component-level fatigue life prediction of SFRP, offering a procedural and parametric tool for engineering applications.</div></div>","PeriodicalId":283,"journal":{"name":"Composites Science and Technology","volume":"262 ","pages":"Article 111060"},"PeriodicalIF":8.3,"publicationDate":"2025-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143127848","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}