Journal of Reinforced Plastics and Composites最新文献

{"title":"Investigating competition of strong interfacial interaction and chain scission in PBAT/EVOH/GO composite by rheological measurements","authors":"Mehdi Elhamnia, Parsa Dadashi, Ghodratollah Hashemi Motlagh","doi":"10.1177/07316844241256416","DOIUrl":"https://doi.org/10.1177/07316844241256416","url":null,"abstract":"The blends of poly(butylene-adipate-co-terephthalate)/poly(ethylene-vinyl alcohol) (PBAT/EVOH) with varying amounts of graphene oxide (GO) were prepared by melt mixing. The localization of GO in PBAT and at the interface was confirmed by morphological evaluation. The dual effect of GO in degradation of PBAT phase and interface improvement of PBAT/EVOH was examined by rheological measurements and models. The results showed that the improved interfacial interaction induced by GO dominates its degradation effect in PBAT. Rheological analysis revealed that the interfacial elasticity originating from GO dominates the total elasticity of the system, resulting in an increase in the final elasticity. Generalized Fractional Zener (GFZ) model was used to analyze elasticity of the polymer blend and its nanocomposites with a well fit to the experimental results. Also, the Lee–Park model was used to distinguish the effects of particle interactions as well as interface strengthening from deterioration of matrix modulus due to PBAT degradation by GO. The increased elasticity of the interface showed that the strengthening effect of GO at the interface overcomes its degradation effect. Also, the application of Coran model to analyze phase homogeneity revealed a linear increase in interfacial interaction with GO concentration.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"63 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141194162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Heterostructured three-dimension MXene/short carbon fiber to enhance thermal, mechanical and tribological properties of epoxy composites","authors":"Yun Song, Shaowei Li, Yujian Liu, Yan Zhang","doi":"10.1177/07316844241256425","DOIUrl":"https://doi.org/10.1177/07316844241256425","url":null,"abstract":"Polymer composites play an essential role in the field of friction materials. However, severe environment is still big challenges for their application. Three-dimension MXene/short carbon fiber (SCF) was prepared to improve the thermal, mechanical, and tribological performance of epoxy resin. When the mass ratio of MXene to SCF is 1:150, the MXenes are uniformly anchored on the surface of SCF under the strong hydrogen bonding interaction, leading to stable heterostructure and abundant surface functional groups. Owing to the excellent synergy between the MXene and SCF, the modified epoxy composite exhibits superior mechanical and thermal properties, as well as high thermal conductivity. Moreover, it has excellent tribological performance with an average friction coefficient of 0.44 and a specific wear rate of 3.0 × 10<jats:sup>-</jats:sup><jats:sup>6</jats:sup> mm<jats:sup>3</jats:sup>·N<jats:sup>-</jats:sup><jats:sup>1</jats:sup> ⋅m<jats:sup>-</jats:sup><jats:sup>1</jats:sup> in 2 hours, which reduced by 35.3% and 97.1% than those of epoxy resin, respectively.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"82 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141194268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Performance and application of pultrusion-processed fibre-reinforced composites in large-scale wind turbine blades","authors":"Yuanrong Sun, Congli Hu, Chuansheng Li, Yihang Qu, Minglei Ji, Cuiping Chen, Jianbo Li","doi":"10.1177/07316844241256806","DOIUrl":"https://doi.org/10.1177/07316844241256806","url":null,"abstract":"Pultruded composite materials have broad application prospects in the field of wind power generation. In this study, we explored the application of three different pultruded composites for the spar caps of wind turbine blades. Through comprehensive morphological, thermal, and mechanical analyses, as well as static and fatigue loading tests, we assessed the properties of these composites. Notably, the pultruded composites demonstrated high modulus, adequate strength, and excellent fatigue resistance. Among them, the optimal composite had an elastic modulus that was 46.4% higher than that of an E-glass vacuum-assisted resin-infused laminate. To further investigate their viability, we constructed a finite element model for a wind turbine blade with a pultruded composite spar cap using ANSYS. The results indicated that in a 94-m blade, replacing the E-glass vacuum-assisted resin-infused blade spar cap with the pultruded composite would result in a substantial 32.5% weight reduction. Finally, a 94-m blade was prototyped and tested, confirming its compliance with static and fatigue loading requirements. This study contributes to the advancement of composite materials and manufacturing methods for large-scale wind turbine blades.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"31 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141194147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of magnesium and calcium sulfate whisker on crystallization characteristics of poly (butylene adipate-co-terephthalate) and Poly(butylene succinate)","authors":"Hsu-I Mao, Shu-Hui Liu, Jui-Ching Chu, Jia-Wei Shiu, Pei-Yin Chen, Chin-Wen Chen","doi":"10.1177/07316844241255166","DOIUrl":"https://doi.org/10.1177/07316844241255166","url":null,"abstract":"Inorganic fillers of whisker-like morphology are considered promising materials, and they have gained significant attention in recent years as a substitute for glass fibers due to their fibrous surface characteristics and extremely low bulk density. This study selected magnesium sulfate whiskers (MSWs) containing crystal water and pure calcium sulfate whiskers (CSWs) as fillers. They were physically blended with biodegradable polymers PBAT and PBS in a range of 0.1 wt.% to 2 wt.% to form composite materials. The non-isothermal crystallization behavior of the composite materials was studied using differential scanning calorimetry (DSC). The data indicated that with an increase in whisker content, the crystallization temperature (T<jats:sub>c</jats:sub>) of composites increased, and the addition of a small amount of whiskers led to a reduction in the half-crystallization time of the composite materials, indicating the crystallization capacity of the materials has been enhanced to varying degrees. Analysis via POM unveiled a consistent pattern of decreased spherulite size and heightened spherulite count with the introduction of whiskers. This phenomenon is ascribed to the whisker fillers’ function as nucleating agents within the polymer matrices, thereby stimulating the crystallization process. Interestingly, the findings suggest that CSWs exert a more significant influence on crystallization than MSWs, likely due to the distinct single fiber morphology of the former filler.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"24 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141194146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Fatigue-resistant design of carbon/epoxy composites based on a failure tensor polynomial model by particle swarm optimization-sequential quadratic programming algorithm","authors":"Hamza Arda Deveci, Hatice Seçil Artem, Mehmet Deniz Güneş, Metin Tanoğlu","doi":"10.1177/07316844241256815","DOIUrl":"https://doi.org/10.1177/07316844241256815","url":null,"abstract":"This article introduces a design procedure to find the optimum fiber orientations of carbon/epoxy composite laminates for fatigue life advancement. The approach incorporates a fatigue failure tensor polynomial model and employs a hybrid algorithm, combining particle swarm optimization and sequential quadratic programming. Firstly, material properties of quasi-static and fatigue of the carbon/epoxy composites, fabricated by the vacuum-assisted resin transfer molding method, were determined to be used in the model. Various design problems involving two optimization scenarios were then solved using the hybrid algorithm. The algorithm’s performance was also evaluated by specific test problems, confirming its speed and robustness. The optimally fiber-oriented carbon/epoxy composite laminates having maximum fatigue lives were obtained for many critical in-plane cyclic loading cases. To validate the proposed design procedure, two optimum designs were experimentally verified under uniaxial loading conditions. The results indicated a good correlation between the estimated fatigue life of the optimally designed laminates and experimental data. This methodology offers a promising approach for the design of carbon/epoxy composite laminates with superior fatigue strength, particularly significant in specific industrial applications.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"19 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141194436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nano-SiO2/polyurethane modified unsaturated polyester resin mortar for thin layer repairing on airport pavement","authors":"Hongliang Zhang, Xinyue Liu, Ning Wang","doi":"10.1177/07316844241256415","DOIUrl":"https://doi.org/10.1177/07316844241256415","url":null,"abstract":"This paper introduces a novel toughened polymer mortar designed for runway repair, featuring outstanding impact resistance, high strength, and cost-effectiveness. To augment the toughness of unsaturated polyester (UP) polymer mortar, nano-SiO<jats:sub>2</jats:sub> and polyurethane (PU) were incorporated. Firstly, the optimal dosages of nano-SiO<jats:sub>2</jats:sub> and PU were determined through tensile test and impact test. Then, the modification mechanism of nano-SiO<jats:sub>2</jats:sub>/PU on UP resin was explored by microscopic image technology. In addition, the compression, flexural, fluidity, flexural bond strength and construction time tests were carried out to determine the optimal formula of nano-SiO<jats:sub>2</jats:sub>/PU modified UP resin mortar. Finally, the durability, impact resistance, impermeability resistance, skid resistance, and interlayer bond strength of modified UP resin mortar were studied and compared with those of pure UP resin mortar and epoxy (EP) resin mortar. Results show that the optimum proportion by mass for nano-SiO<jats:sub>2</jats:sub>/polyurethane modified UP resin is, UP resin: PU: dibutyltin dilaurate: nano-SiO<jats:sub>2</jats:sub>: initiator: accelerator: diluent: plasticizer = 1: 0.1: 0.002: 0.01: 0.01: 0.01:0.15:0.01. Furthermore, the mass proportion of modified UP resin to aggregate is 1: 1.2. In nano-SiO<jats:sub>2</jats:sub>/PU modification of UP resin, the -NCO groups of PU have been involved in chemical interaction with the -OH group of UP, while nano-SiO<jats:sub>2</jats:sub> and UP resin are blended physically only. Compared with pure UP resin mortar, the nano-SiO<jats:sub>2</jats:sub>/PU modified UP resin mortar exhibited a 44% reduction in shrinkage rate, approximately 20% less corrosion loss, a 32% decrease in freeze-thaw loss, a 37% improvement in impact resistance, and increased shear bonding strength, flexural bonding strength, and tensile bonding strength by 44%, 33%, and 47%, respectively. Although the modified UP resin mortar demonstrated slightly lower performance in terms of dry shrinkage, corrosion resistance, skid resistance, and tensile bond strength compared to EP resin mortar, its freeze-thaw durability, impact resistance, flexural bond strength, and shear bond strength surpassed those of EP resin mortar. All three materials exhibited excellent impermeability. Leveraging the advantages of PU and nano-SiO<jats:sub>2</jats:sub>, the modified UP resin presents a promising repair material for airport pavement with enhanced toughness, high stability, and reduced cost.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"22 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141170091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of drilling-induced defects on tensile damage evolution of CFRP laminates","authors":"Chao Liu, Qingxun Meng, Changbao Zhao, Daifeng Hu","doi":"10.1177/07316844241256429","DOIUrl":"https://doi.org/10.1177/07316844241256429","url":null,"abstract":"The reliability and service safety of composite structures are compromised by drilling defects on carbon fiber reinforced polymer (CFRP) materials. However, the synergism effect of different types of drilling defects on the mechanical behavior of structures remains unclear. To address this gap, this study focuses on investigating the intralaminar and interlaminar tensile damage evolution response of open-hole CFRP laminates while considering drilling quality. A model is developed, incorporating drilling delamination and tearing defects using the LaRC05 failure criterion and extended finite element method (XFEM). The model implemented in Abaqus/Standard software and the UDMGINI user subroutine is validated through experimentation. Subsequently, three types of open-hole CFRP laminates with typical drilling defect factors are subjected to tensile failure analysis. The results show a notable decline in the mechanical performance of CFRP laminates when drilling defect factors exceed certain levels. Moreover, a progressive damage evolution pattern is analyzed for open-hole CFRP laminates with respect to ply stacking sequences. The interaction between interlaminar delamination propagation and intralaminar crack evolution paths is discussed, highlighting that the concentration of in-plane shear stress primarily influences the location of crack initiation in CFRP laminates.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"49 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141170090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing tribological performance of hybrid fiber-reinforced composites through machine learning and response surface methodology","authors":"S. Sathiyamurthy, S. Saravanakumar, V. Vinoth","doi":"10.1177/07316844241256421","DOIUrl":"https://doi.org/10.1177/07316844241256421","url":null,"abstract":"This study delves into the significant effects of sodium hydroxide (NaOH) treatment on the tribological properties of hybrid fiber-reinforced composites, specifically focusing on the combination of paddy straw (PS) and pineapple leaf (PALF) in a polyester matrix. By leveraging Artificial Neural Networks (ANNs) to predict the Specific Wear Rate (SWR) and Coefficient of Friction (COF), the research employs a grid search approach for hyperparameter optimization. This optimization process results in an optimal ANN architecture with impressive accuracy, showcasing low mean absolute error and high R-squared values of 0.991 and 0.986 for SWR and COF predictions, respectively. Utilizing the Design of Experiments (DOE), the study systematically analyzes the intricate interplay of disc speed, wear duration, and NaOH treatment percentage, with a specific focus on SWR and COF as pivotal tribological metrics. The Analysis of Variance (ANOVA) results underscore the substantial impact of duration and treatment percentage on wear characteristics. Additionally, quadratic regression models reveal nuanced correlations, highlighting the sensitivity of SWR to NaOH percentage and the influence of disc speed, duration, and treatment percentage on COF. This outcome emphasizes the efficacy of these parameters in achieving superior tribological performance in hybrid composites. Beyond contributing to a profound understanding of wear characteristics, this work introduces an innovative dimension through optimized ANN modeling, ensuring a more accurate and fine-tuned predictive model.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"70 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141170126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mechanical recycling of poly(lactic acid)/agave fiber biocomposites","authors":"Tomas Ramos-Hernández, Jorge Ramón Robledo-Ortíz, Alan Salvador Martín del Campo, Denis Rodrigue, Alfredo Cano, Aida Alejandra Pérez-Fonseca","doi":"10.1177/07316844241253905","DOIUrl":"https://doi.org/10.1177/07316844241253905","url":null,"abstract":"This paper focuses on evaluating the mechanical recycling potential of poly(lactic acid) (PLA) biocomposites reinforced with agave fibers (AF). The biocomposites were prepared by extrusion using 5, 15, and 30 wt.% of agave fibers and reprocessed up to eight times. The results show that the fiber dimensions substantially decrease during reprocessing, especially after the first extrusion cycle, followed by a more gradual decrease in each subsequent cycle. The melt flow index (MFI) and the mechanical properties (except impact strength) tend to decrease as the fiber concentration increases. On the other hand, the glass transition temperature ( T<jats:sub> g</jats:sub>) and the crystallinity ( X<jats:sub> c</jats:sub>) of the biocomposites increased with increasing fiber concentration. It is important to highlight that closed-loop reprocessing does not significantly affect the overall behavior of the biocomposites under the conditions investigated. Therefore, PLA reinforced with AF is suitable for primary recycling since the final properties are mainly influenced by the fiber concentration and less by the number of reprocessing cycles.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"131 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140938921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study on the characteristics of Napier grass fibre reinforced porcelain filler particulates poly lactic acid matrix biocomposite","authors":"Raja Thandavamoorthy, Yuvarajan Devarajan","doi":"10.1177/07316844241253912","DOIUrl":"https://doi.org/10.1177/07316844241253912","url":null,"abstract":"This study investigates the complex properties of a novel biocomposite by a conventional process, which is composed of poly (lactic acid) (PLA) as the matrix, porcelain particles as fillers, and Napier grass fibre as reinforcement. The primary objective was to evaluate the mechanical, crystalline, water absorption, morphological, and antibacterial properties of the biocomposites in relation to the individual components and their synergistic impacts. When 25 g porcelain particles were added to PLA with Napier grass fibre, mechanical tests demonstrated a 25% increase in tensile strength (maximum tensile strength of 39.76 MPa) and a 30% increase in flexural strength (maximum flexural strength of 41.29 MPa). Scanning electron microscopy (SEM) revealed a strong interfacial bond between the fibre and matrix, with porcelain particles serving as bridges to facilitate stress transmission. The biocomposite exhibited reduced water absorption due to the inherent hydrophobic nature of porcelain, which enhances its resistance to bacterial growth. The study demonstrates that combining Napier grass fibre with porcelain filler particles synergistically enhances the properties of PLA, creating a viable biocomposite material suitable for use in packaging, automotive, and sustainable building industries.","PeriodicalId":16943,"journal":{"name":"Journal of Reinforced Plastics and Composites","volume":"31 1","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140939119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}