Composites Part B: Engineering最新文献_第2页

Enhanced tensile properties of 3D printed soft–hard composites due to Poisson’s ratio mismatch: Experimental and numerical study

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-24 DOI: 10.1016/j.compositesb.2025.112413

Peijie Sun , Weizhu Yang , Yu Zhang , Baiyu Zhang , Zheming Fan , Lei Li

{"title":"Enhanced tensile properties of 3D printed soft–hard composites due to Poisson’s ratio mismatch: Experimental and numerical study","authors":"Peijie Sun , Weizhu Yang , Yu Zhang , Baiyu Zhang , Zheming Fan , Lei Li","doi":"10.1016/j.compositesb.2025.112413","DOIUrl":"10.1016/j.compositesb.2025.112413","url":null,"abstract":"<div><div>A novel design of soft–hard integrated composite is proposed by embedding hard lattices with controllable Poisson’s ratio (PR) at large deformation into the soft matrix. Extensive numerical simulations of the hard lattices with controllable PR (HLCPR) and the designed hard lattice reinforced soft matrix (HLRSM) are conducted based on constitutive parameters of the soft and hard materials obtained from standard material tests. PolyJet 3D printing technique is employed to fabricate the studied HLCPR and HLRSM samples with lattice of PR from -0.8 to 0.8, and tensile tests were conducted with the help of DIC method to obtain their mechanical properties and capture the fracture behaviors. Numerical results agree well with the test results in terms of effective Young’s modulus, strength and fracture behaviors. Results show that coupling between the soft matrix and the HLCPR due to deformation mismatch leads to significant enhancement of mechanical properties, and such coupling effect varies with the PR of the HLCPR. The HLCPR of PR -0.8 leads to the strongest coupling effect, while that of PR 0.4 exhibits the weakest. The soft matrix delays fracture initiation in the HLCPR and transforms the fracture mode from sudden rupture to a progressive failure. Results also demonstrate that HLRSM with HLCPR of -0.8 exhibits superior performance compared to that with an uncontrollable PR or breaking hard lattices. A theoretical model was also carried out to further interpret the deformation mismatch induced coupling effect. This study offers helpful guidance for developing high-performance composite materials and structures.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"299 ","pages":"Article 112413"},"PeriodicalIF":12.7,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143704293","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 multi-metal alloying in laser-based additive manufacturing: A concise review

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-22 DOI: 10.1016/j.compositesb.2025.112443

Dingmeng Xu , Wuxin Yang , Peng Cao

引用次数: 0

Corrigendum to “Elastic recovery induced strengthening effect in copper/multilayer-graphene interface regions revealed by instrumental nanoindentation” [Compos Part B 216 (2021) 108832]

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-22 DOI: 10.1016/j.compositesb.2025.112417

Xueliang Wang , Yang Su , Songyang Han , Martin A. Crimp , Yaping Wang , Yu Wang

引用次数: 0

Rapid estimation of residual stress in composite laminates using a deep operator network

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-22 DOI: 10.1016/j.compositesb.2025.112409

Seung-Woo Lee , Teubes Christiaan Smit , Kyusoon Jung , Robert Grant Reid , Do-Nyun Kim

{"title":"Rapid estimation of residual stress in composite laminates using a deep operator network","authors":"Seung-Woo Lee , Teubes Christiaan Smit , Kyusoon Jung , Robert Grant Reid , Do-Nyun Kim","doi":"10.1016/j.compositesb.2025.112409","DOIUrl":"10.1016/j.compositesb.2025.112409","url":null,"abstract":"<div><div>A deep operator network (DeepONet) is designed and developed for rapid estimation of residual stress in composite laminates, which traditionally requires intensive finite element method (FEM) calculations to calibrate the incremental hole-drilling (IHD) method used in measuring residual stresses. The proposed DeepONet model incorporates graph convolution, trigonometric series expansion, and Monte Carlo dropout to effectively learn the relationship between residual stress distribution and the corresponding deformation observed in the IHD procedure. This learning is based on FEM data from various symmetric composite laminate configurations, which are composed of eight layers of fiber-reinforced plates with possible ply orientations at <span><math><mrow><mo>−</mo><mn>45</mn><mo>°</mo></mrow></math></span>, <span><math><mrow><mn>0</mn><mo>°</mo></mrow></math></span>, <span><math><mrow><mn>45</mn><mo>°</mo></mrow></math></span>, and <span><math><mrow><mn>90</mn><mo>°</mo></mrow></math></span>. Trained on 30 configurations, the proposed model exhibits strong generalization capabilities over an additional 40 unseen configurations, achieving a forward strain prediction error of 1.59% and an inverse stress calculation error of 3.92%. These errors are within the range of experimental noise and corresponding stress uncertainty levels commonly encountered in real experiments. The performance of the model suggests the potential for establishing a comprehensive database for the IHD method as applied to composite materials, filling a significant gap in resources when compared to those available for metallic materials.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"299 ","pages":"Article 112409"},"PeriodicalIF":12.7,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143697588","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

Innovative strategy to reduce autogenous shrinkage in alkali-activated slag using hydrophilic carbon nanotube sponge

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-22 DOI: 10.1016/j.compositesb.2025.112447

Xinming Wang , Jing Zhong , Yubo Sun

{"title":"Innovative strategy to reduce autogenous shrinkage in alkali-activated slag using hydrophilic carbon nanotube sponge","authors":"Xinming Wang , Jing Zhong , Yubo Sun","doi":"10.1016/j.compositesb.2025.112447","DOIUrl":"10.1016/j.compositesb.2025.112447","url":null,"abstract":"<div><div>Alkali-activated slag (AAS) cement is recognized as a sustainable alternative to Portland cement (PC) binders. However, its practical application in construction is hindered by significant autogenous shrinkage. This study presents an innovative internal curing strategy by incorporating a hydrophilic carbon nanotube sponge (H-CNTSP) into the AAS paste. Due to the high stiffness of the CNT framework, H-CNTSP exhibits remarkable absorption capacities for activator and pore solution, reaching 74 g/g and 67 g/g, respectively—236 % higher than that of conventional superabsorbent polymer (SAP). The addition of just 0.08 <em>wt</em>% H-CNTSP effectively reduces autogenous shrinkage by 71 %, attributed to the sustained liquid release, as confirmed by the monitoring of internal relative humidity. Moreover, the loss in mechanical properties typically associated with internal curing agents is significantly minimized, thanks to the formation of a CNT/reaction product nanocomposite layer with enhanced stiffness. This study offers a promising solution to address the limitations of the AAS system, paving the way for its broader implementation in engineering applications.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"299 ","pages":"Article 112447"},"PeriodicalIF":12.7,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143685516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Shock response of unidirectional carbon fibre-reinforced polymer composites: Influence of fibre orientation and volume fraction

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-22 DOI: 10.1016/j.compositesb.2025.112438

Suman Shah, Paul J. Hazell, Hongxu Wang, Juan P. Escobedo

{"title":"Shock response of unidirectional carbon fibre-reinforced polymer composites: Influence of fibre orientation and volume fraction","authors":"Suman Shah, Paul J. Hazell, Hongxu Wang, Juan P. Escobedo","doi":"10.1016/j.compositesb.2025.112438","DOIUrl":"10.1016/j.compositesb.2025.112438","url":null,"abstract":"<div><div>This study investigates the shock wave propagation in unidirectional carbon fibre-reinforced polymer (UD-CFRP) composites, focusing on the effects of varying fibre orientations (0°, 30°, 45°, 60°, and 90°) and fibre volume fractions (64 % and 51 %). Through a series of plate impact experiments at approximately 400 m/s, the results revealed that longitudinal stress was highest at 0° orientation (around 3 GPa) and decreased by nearly 50 % at 90°, where the bulk response mirrored that of pure epoxy. A distinct two-wave structure, consisting of an elastic precursor and a plastic shock wave, was observed at 0° orientation and higher impact velocities, requiring a minimum stress of 3 GPa. Fibre content showed only a marginal influence on shock behaviour, with the epoxy matrix playing a dominant role at higher orientations. These findings highlight the critical role of fibre alignment and matrix properties in governing shock resistance of the composite, suggesting the need for further exploration of matrix materials and composite design optimisation.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"299 ","pages":"Article 112438"},"PeriodicalIF":12.7,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143725838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Classification and prediction of flexural properties of bamboo slices made from flattened bamboo with a gradient structure based on GA-BP neural network model

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-22 DOI: 10.1016/j.compositesb.2025.112446

Yuting Yang , Yu Luan , Jiarui Xu , Chaoran Lin , Yan He , Qin Su , Menghong Jiang , Jianchang Lian , Xuecai Ye , Long Feng , Meiling Chen , Changhua Fang

{"title":"Classification and prediction of flexural properties of bamboo slices made from flattened bamboo with a gradient structure based on GA-BP neural network model","authors":"Yuting Yang , Yu Luan , Jiarui Xu , Chaoran Lin , Yan He , Qin Su , Menghong Jiang , Jianchang Lian , Xuecai Ye , Long Feng , Meiling Chen , Changhua Fang","doi":"10.1016/j.compositesb.2025.112446","DOIUrl":"10.1016/j.compositesb.2025.112446","url":null,"abstract":"<div><div>Bamboo slices (BS) have been successfully used in bamboo winding composites due to their excellent flexural properties. However, BS with a gradient structure is prone to breakage easily during the winding process, particularly when varying thicknesses are involved. This study investigated flexural properties and size effects of BS, as well as prediction of their flexural properties. A mathematical relationship was established between fiber content of BS and its radial position, revealing an exponential decay function with an average fit quality of 0.9. The flexural strength, flexural modulus and radius of curvature of BS increased with higher fiber content. However, for BS with a thickness of 0.7 mm, the radius of curvature exhibited an inverse relationship with fiber content when the load was applied to the side of BS with fewer vascular bundles. Analysis indicated that BS with thicknesses of 0.3 mm and 0.5 mm can be considered homogeneous materials, while BS with a thickness of 0.7 mm retained the gradient structure and properties of bamboo culm wall. Additionally, BS showed a significant size effect, where thicker BS displayed lower strength due to defect effect, variation of length-thickness ratio and hoop effect. At last, a GA-BP neural network model was developed and validated as an effective tool for predicting BS flexural properties based on their radial position, achieving an accuracy of over 95 %. This study provides valuable insights into the flexural properties and size effects of BS, providing a scientific foundation and technical support for the development of bamboo winding products.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"299 ","pages":"Article 112446"},"PeriodicalIF":12.7,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143725955","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

Ultra stable and stretchable liquid-metal precisely patterned circuits for integrated wearable devices under heat-pressed

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-22 DOI: 10.1016/j.compositesb.2025.112439

Xiuli Yang , Yanan Shi , Fujun Tian , Yin He , Hao Liu , Peng Zhou

{"title":"Ultra stable and stretchable liquid-metal precisely patterned circuits for integrated wearable devices under heat-pressed","authors":"Xiuli Yang , Yanan Shi , Fujun Tian , Yin He , Hao Liu , Peng Zhou","doi":"10.1016/j.compositesb.2025.112439","DOIUrl":"10.1016/j.compositesb.2025.112439","url":null,"abstract":"<div><div>Liquid metal (LM) has widespread applications in flexible wearable electronic devices. Despite this, challenges persist with LM and thermoplastic polyurethane (TPU) composite materials in creating flexible electronic circuits, including complex processes, limited pattern precision and material inefficiencies. This study introduced a LM composite material, TPU@LM ink, suitable for dispensing printing. By fine-tuning the ratio of LM to TPU, this ink enabled the production of micron-scale ultrastable flexible circuits. The patterned TPU@LM circuit achieved a minimum line width of 239.01 μm and conductivity of 7.5 × 10<sup>3</sup> S/cm, exhibiting stretchable conductivity stability (1000 cycles), thermal stability (25°C-100 °C) and repairability. The hysteresis error of the sensing performance was only ±3.18 % upon stretching to 400 %. The circuit could be repeated 2000 times and could detect a tensile strain of 0.5 %. The temperature of the TPU@LM circuit could be increased to 70.51 °C, the temperature only decreased by 0.4 °C after stretching 2000 times and the heating-cooling process could be cycled. Additionally, the recovery rate of TPU@LM ink was 93.8 % and it could be reused. Additionally, motion monitoring and thermal therapy experiments confirmed that the TPU@LM circuit maintains stable conductivity under high temperature and pressure conditions (100 °C and 20 kPa), facilitating seamless integration between the TPU@LM circuit and clothing and accessories.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"299 ","pages":"Article 112439"},"PeriodicalIF":12.7,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143715670","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

Interfacial behaviour of bonding between ultra-high performance concrete and concrete substrate: Evolution of microstructure and micromechanical properties

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-22 DOI: 10.1016/j.compositesb.2025.112445

Facheng Song, Qinghua Li, Shilang Xu

{"title":"Interfacial behaviour of bonding between ultra-high performance concrete and concrete substrate: Evolution of microstructure and micromechanical properties","authors":"Facheng Song, Qinghua Li, Shilang Xu","doi":"10.1016/j.compositesb.2025.112445","DOIUrl":"10.1016/j.compositesb.2025.112445","url":null,"abstract":"<div><div>Ultra-high performance concrete (UHPC) is increasingly used to repair and strengthen deteriorated concrete structures. However, the crucial details of the microstructural evolution and micromechanical properties of overlay transition zone (OTZ) in composite structures are insufficiently understood. This study presents a systematic, curing-age-dependent investigation of OTZ between UHPC and concrete substrate (CS) across curing ages ranging from 1 to 28 days. A series of tests were performed to examine the hydration kinetics, grid elastic modulus, coefficient of friction, micromorphology, and 3D pore distribution of OTZ. Our findings suggest a dual-scale redefinition of OTZ: (a) a narrow OTZ affected by the wall effect and (b) a broad OTZ that encompasses the reaction zone on the CS surface, the narrow OTZ, and the air void-rich zone. The thickness of the broad OTZ is dominated by the air void-rich zone and decreases with curing age, measuring approx. 110 μm at 28 days. Ions from the fresh UHPC migrating towards the CS surface undergo mild, ongoing secondary reactions with the existing hydrates, generating additional Ca(OH)<sub>2</sub>. After 1–3 days of curing, an easily identifiable blend band of Ca(OH)<sub>2</sub> and C–S–H gels and a tight bond between UHPC and CS can be seen simultaneously in the narrow OTZ. With prolonged curing (7 and 28 days), this band fades as most of Ca(OH)<sub>2</sub> is converted into C–S–H gels due to the pozzolanic activity of silica fume. This study concludes with an in-depth discussion of the evolution mechanisms driving the microstructure and micromechanical properties of OTZ.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"299 ","pages":"Article 112445"},"PeriodicalIF":12.7,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143697591","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 barnacle-inspired interface for enhancing the interfacial properties of carbon fiber-reinforced poly(phthalazinone ether nitrile ketone) composite

IF 12.7 1区材料科学

Composites Part B: Engineering Pub Date : 2025-03-22 DOI: 10.1016/j.compositesb.2025.112440

Xingyao Liu , Xiaoqing Sun , Peifeng Feng , Xinyu Fan , Zhongwei Yan , Xigao Jian , Yujie Song , Jian Xu

{"title":"A barnacle-inspired interface for enhancing the interfacial properties of carbon fiber-reinforced poly(phthalazinone ether nitrile ketone) composite","authors":"Xingyao Liu , Xiaoqing Sun , Peifeng Feng , Xinyu Fan , Zhongwei Yan , Xigao Jian , Yujie Song , Jian Xu","doi":"10.1016/j.compositesb.2025.112440","DOIUrl":"10.1016/j.compositesb.2025.112440","url":null,"abstract":"<div><div>Carbon fiber-reinforced thermoplastic resin composites (CFRTPs) have gained significant recognition in industries such as rail transportation, aerospace, and wind power generation. Among these composites, carbon fiber/poly(phthalazinone ether nitrile ketone) (CF/PPENK) composite is considered to be a high potential CFRTP because of the exceptional thermal stability and solubility of its matrix. However, due to the smooth surface of CF and the limited number of reactive groups in PPENK, the CF/PPENK composite demonstrated poor interfacial properties. In this study, drawing inspiration from the strong adhesive properties of barnacle structures, three different interfacial phases were fabricated on the CF surface. In these composites, polydopamine (PDA) particles acted as “barnacle glue” and three types of polyhedral oligomeric silsesquioxane (POSS) acted as “barnacles”. The practicality and effectiveness of the design was initially verified by molecular dynamics simulations, which predicted optimal interfacial properties of the composite with PDA and 3-glycidyloxypropyl-POSS (EP) on the fiber surface (CF-PDA-EP/PPENK). X-ray photoelectron spectroscopy and scanning electron microscopy analyses confirmed the successful combination between the “barnacle structure” and CF. The experimental results aligned well with the simulation outcomes, validating that the interfacial properties of CF-PDA-EP/PPENK were optimal. Compared to the composites with unmodified fibers, the interlaminar shear strength and interfacial shear strength of CF-PDA-EP/PPENK were enhanced by 55.56 % and 210.73 %, respectively. This method offers an efficient and straightforward approach to the interfacial modification of the composites.</div></div>","PeriodicalId":10660,"journal":{"name":"Composites Part B: Engineering","volume":"299 ","pages":"Article 112440"},"PeriodicalIF":12.7,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143737928","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