Article
Engineering, Manufacturing
Guillem Romero-Sabat, Elena Gago-Benedi, Joan Josep Roa Rovira, David Gonzalez-Galvez, Antonio Mateo, Sandra Medel, Ainhoa Tolentino Chivite
Summary: This study presents the development of an extrinsic self-healing system for composite materials that demonstrated efficiency above 100% at low/ultra-low temperatures. The mechanism is based on Ring-Opening Metathesis Polymerization (ROMP) and shows potential for incorporation in real composite materials for high performance fields.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2021)
Article
Engineering, Manufacturing
Haoming Pang, Yinduan Gao, Shouhu Xuan, Xinglong Gong
Summary: The study systematically investigated the mechanical properties of Magnetorheological plastomers (MRPs) with different types of secondary particles through experiments and simulations. It was found that the addition of glass balls led to an increase in mechanical properties, while SiO2 and Fe3O4 particles exhibited conflicting behaviors. Simulation of microstructures in MRPs revealed the effect of secondary particles on the microstructure and mechanical properties of MRPs.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2022)
Article
Biochemistry & Molecular Biology
Xiangrui Meng, Shougang Wang, Yinsheng Yu, Pengzhen Gong
Summary: In this study, polyvinylidene fluoride trifluoro ethylene chloride and barium titanate composites were prepared, and their microstructure and mechanical properties were investigated through molecular dynamics simulations and experiments. It was found that increasing the ceramic content in the composites significantly reduced the yield stress, by 16.07%. The agglomeration and stress mechanism of the composites were proposed through comparison with experimental data.
JOURNAL OF MOLECULAR MODELING
(2023)
Article
Materials Science, Coatings & Films
Yuan Yuan, Kai Xu, Guocan Sun, Xiaofei Hu, Leilei Chen, Ming Lou, Keke Chang
Summary: FeCrAl-based materials with added Nb have been investigated in this study to enhance their mechanical properties. It was found that the addition of Nb significantly improved the hardness and fracture resistance of the thin films. After annealing, the Nb-containing film showed further increase in hardness, attributed to the phase separation. This study demonstrates the usefulness of combining experimental and computational methods in understanding the microstructure and mechanical property evolution of FeCrAl-based materials.
SURFACE & COATINGS TECHNOLOGY
(2022)
Article
Green & Sustainable Science & Technology
Cindy S. Barrera, Janice L. Tardiff
Summary: The use of eggshells as replacements for carbon black in rubber composites for automotive applications can achieve comparable reinforcement and improved isolation performance. It can also enhance the processing of the material and increase the renewable fraction while reducing energy consumption.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Materials Science, Multidisciplinary
Linda Salminen, Erno Karjalainen, Vladimir O. Aseyev, Heikki Tenhu
Summary: Flexible composite materials were prepared by copolymerizing ionic liquid monomers M1 and M2 with a cross-linker CL and dispersing organo-modified montmorillonite clay as a filler. The glass transition temperature of the composites could be tuned by varying the ratio of M1 and M2, and the mechanical properties were significantly enhanced compared to the homopolymers. The toughest copolymer composite exhibited high toughness and could be uniformly filled with large amounts of clay.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Multidisciplinary Sciences
Lianhu Xiong, Yun Wei, Chuanliang Chen, Xin Chen, Qiang Fu, Hua Deng
Summary: By using the Solvent exchange-Reprotonation processing strategy, a lamellar structure with high solar reflectivity and excellent optical performance was successfully fabricated. Outdoor tests showed that the structure achieved subambient temperature drops of 3.35 degrees Celsius during daytime and 6.11 degrees Celsius during nighttime.
NATURE COMMUNICATIONS
(2023)
Article
Engineering, Electrical & Electronic
Shangtao Zhang, Jian Wang, Rong Wu, Boting Pan, Lang Liu, Chunhai Liu
Summary: Transition metal nitrides, specifically zirconium nitride (ZrN) thin films, were fabricated using reactive direct-current (DC) magnetron sputtering and their morphology and electrochemical capacitive performance as electrode materials for supercapacitors were investigated. The films exhibited a continuous and homogeneous structure with a fine columnar morphology. The T3 film electrode showed the highest areal specific capacitance of 1.19 mF cm(-2) at a current density of 0.05 mA cm(-2) due to its higher porosity, better wettability, and lower charge transfer resistance.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Materials Science, Multidisciplinary
Zacary L. Croft, Zhen Xu, Ke Cao, Dong Guo, Saran Sreeharikesan, Connor Thompson, Gabriel Zeltzer, Guoliang Liu
Summary: In this study, PEI/SLG laminate thin films were prepared to evaluate the effective reinforcement using the mixing rule, which revealed the ideal mixing rule is followed only beyond a critical value of phi(g). This finding explains the wide inconsistency of E-g reported in the literature and will guide the fabrication of laminate polymer-graphene thin films with near-ideal mechanical reinforcement.
ACS APPLIED POLYMER MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
A. El-Denglawey, Vineet Sharma, Ekta Sharma, K. A. Aly, A. Dahshan, Pankaj Sharma
Summary: The influence of Ag additive on the optical and mechanical properties of (Se70Te30)(100-x)Ag-x chalcogenide thin films was studied, showing an increase in refractive index and decrease in optical band gap with Ag addition. Nonlinear refractive index and nonlinear susceptibility also increased with Ag content.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2021)
Article
Engineering, Manufacturing
Jingyi Zhang, Yu Wang, Haoming Pang, Shuaishuai Sun, Zhenbang Xu, Longjiang Shen, Xufeng Cao, Chuanlin Sun, Bochao Wang, Xinglong Gong
Summary: The magnetic composite film, MSEF, shows potential as an ideal option for future soft actuators due to its flexible and controllable characteristics. By developing an anisotropic MSEF composite and analyzing its deformation behavior under different magnetic fields, a biomimetic soft actuator with bidirectional deformation and self-sensing functions was successfully produced. These findings demonstrate the great potential of anisotropic MSEFs for wide applications in various fields.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2021)
Article
Nanoscience & Nanotechnology
Kazue Orikasa, Tyler Dolmetsch, Lihua Lou, Tony Thomas, Benjamin Boesl, Arvind Agarwal
Summary: In this study, ultralight boron nitride nanoplatelet (BNNP) foams were fabricated via freeze-drying, and their highly anisotropic thermal and mechanical properties were characterized. The study also established a protocol for designing 2D material foams with tailorable properties for thermal management applications.
ACS APPLIED NANO MATERIALS
(2023)
Article
Engineering, Manufacturing
Bing Liu, Chengbin Du, Huaxia Deng, Ziyang Fan, Junshuo Zhang, Fanang Zeng, Yankai Fu, Xinglong Gong
Summary: This study focused on the fabrication of a multifunctional smart material with shear thickening effect and magnetorheological performance, and tested its rheological properties, mechanical properties, and damping force in shock absorbers. The research findings provided a design idea to enhance the performance of shock absorbers.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2022)
Article
Chemistry, Physical
Deepak Suthar, Himanshu, S. L. Patel, S. Chander, M. D. Kannan, M. S. Dhaka
Summary: This study investigates the impact of hydrogen annealing temperature on the properties of ZnTe films, including their structure, optical transmittance, luminescence, surface morphology, and composition. The results show that annealing significantly affects the crystalline phase, optical transmittance, luminescence properties, surface morphology, and composition of the ZnTe films.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Cintia J. Castilho, Dong Li, Yiheng Xie, Huajian Gao, Robert H. Hurt
Summary: Liquid-phase deposition of exfoliated 2D nanosheets is the basis for emerging technologies, and recent experiments have shown that shear stress can lead to internal delamination, affecting nanosheet technologies; experimental results demonstrate the crucial role of film thickness in determining critical shear force and dissipated energy.
Article
Engineering, Multidisciplinary
Keyu Zhu, Xitao Zheng, Jing Peng, Jiaming Sun, Ruilin Huang, Leilei Yan
Summary: This paper discusses the influence of multiple impacts on the compression strength of honeycomb sandwich structures with composite face sheets. It is found that the size of the impactor affects the turning point of the compression strength. Additionally, high impact energy leads to damage in the bottom face sheet and reduces the overall compression strength.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Danqian Wang, Yanfei Yue, Jueshi Qian
Summary: Magnesium Potassium Phosphate Cement (MKPC) as a binder for steel rebars shows improved corrosion resistance when subjected to carbonation, due to the increase in pH and the formation of a more protective oxide film.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Zhibin Li, Wenyu Wang, Pengcheng Xue, Xingyu Wei, Jian Xiong
Summary: This work proposes a design approach and manufacturing method for carbon fiber reinforced plastic (CFRP) corrugated sandwich truncated cones (CSTC) to improve their anti-debonding ability and ensure reliability. The study establishes theoretical models for CSTCs' stiffness and failure modes, which are verified through experiments and finite element analysis (FEA). The research reveals the effect of geometric parameters on failure modes and performs an optimal design for CSTC structures. The findings have significant implications for the design and application of lightweight CSTCs in constructions, such as launch vehicle adapters.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Mingyu Zhang, Lei Chu, Jiahua Chen, Fuxun Qi, Xiaoyan Li, Xinliang Chen, Deng-Guang Yu
Summary: This review summarizes the different structures and construction methods of fibrous membranes with asymmetric wettability. It also reviews the biological applications of these membranes and suggests future challenges.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
E. Mofakhami, L. Gervat, B. Fayolle, G. Miquelard-Garnier, C. Ovalle, L. Laiarinandrasana
Summary: This study investigates the effects of fibre concentration on the mechanical response of welded glass-fibre-reinforced polypropylene (GF-PP). Experimental observations reveal a significant reduction in weld ratio, up to 60%, indicating a decreased strength compared to the bulk material. Increasing fibre content in the welded material results in a decrease in stress at break and strain at the maximum stress. The use of DIC technique and X-ray microtomography further confirms the localized strain amplification in the welded zone due to the significant increase in fibre density.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Emad Pourahmadi, Farjad Shadmehri, Rajamohan Ganesan
Summary: This research compares the mechanical properties of laminates manufactured using automated fiber placement and conventional autoclave curing methods. The results show that laminates manufactured using automated fiber placement have a lower interlaminar shear strength compared to laminates reconsolidated using autoclave curing. A finite element simulation method is proposed to quantitatively analyze these differences.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Johnny Jakobsen, Benny Endelt, Fahimeh Shakibapour
Summary: This study proposes a new bolted/pinned joining method for composite applications, which improves load transfer by introducing a patch-type reinforcement. Experimental results demonstrate significant improvements in both static and fatigue load conditions compared to existing methods. Finite element simulations highlight the advantage of this method, as it creates a more efficient load-transferring mechanism through different stress distributions.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Gisele G. Cintra, Janine D. Vieira, Daniel C. T. Cardoso, Thomas Keller
Summary: This paper proposes a novel approach to assess multi-crack behavior in layered fiber-polymer composites. The generated Compliance and R-curves provide useful insights into understanding the multiple delamination process and allow for separate evaluation of strain energy release rate (SERR) for each crack. The developed cohesive zone model successfully simulates the failure process zone of three parallel cracks, showing good agreement between the numerical model and experimental results.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Renil Thomas Kidangan, Sreedhar Unnikrishnakurup, C. Krishnamurthy, Krishnan Balasubramaniam
Summary: The induction heating process can accurately identify fiber orientation and stacking order, making it a valuable tool for large-area inspection and quality control in manufacturing fiber-reinforced composites.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Sungjun Hwang, Yousoo Han, Douglas J. Gardner
Summary: Bleached Kraft pulp, unbleached Kraft pulp, and old corrugated cardboard pulp are suitable for producing cellulose nanofibril suspensions. Spray drying is a fast, simple, cost-effective, and scalable drying method. Spray-dried cellulose nanofibrils can be used as reinforcing materials in polypropylene matrices. The particle size of cellulose nanofibrils affects the material properties.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Mehdi Mahdavi, Abbas Zolfaghari
Summary: This study aims to improve the recovery forces of shape memory polymers (SMPs) through material extrusion additive manufacturing. By using glass fiber (GF) as reinforcement and manufacturing multi-layer composite specimens, it was found that PLA with 6.62% GF exhibited the best recovery force, which was further optimized through annealing heat treatment.
COMPOSITES PART B-ENGINEERING
(2024)
Review
Engineering, Multidisciplinary
Xiang Ao, Antonio Vazquez-Lopez, Davide Mocerino, Carlos Gonzalez, De-Yi Wang
Summary: The vulnerability of natural fibers to heat and fire poses a significant challenge for their substitution of traditional fiber reinforcements in composite materials. Natural fiber/polymer composites (NFCs) are regarded as potential candidates for engineering applications due to their environmental friendliness and low-impact sourcing. Thus, appropriate approaches need to be implemented to enhance the fire safety of NFCs. This review summarizes and discusses the latest understanding of flammability and thermal properties of natural fibers, with a special focus on their interaction with polymer matrix in fire behavior. Additionally, the latest developments in flame-retardant approaches for NFCs are reviewed, covering both flame retardancy and fire structural integrity. Finally, future prospects and perspectives on fire safety of NFCs are proposed, providing insights into further advancements of NFCs.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Cheng Wang, Siqi Huo, Guofeng Ye, Bingtao Wang, Zhenghong Guo, Qi Zhang, Pingan Song, Hao Wang, Zhitian Liu
Summary: The demand for multifunctional, transparent epoxy resin with superior dielectric, mechanical, and fire-safety performances is increasing in modern industries. Researchers have developed an epoxidized, phosphaphenanthrene-containing poly(styrene butadiene styrene) (ESD) for advanced fire-safe epoxy resin, which maintains high transparency and improves UV-blocking property. The addition of 10 wt% ESD results in improved mechanical properties, decreased dielectric constant and loss, and outperformance compared to other fire-safe epoxy resins. This research provides an effective method for developing multifunctional flame-retardant epoxy resin.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Bo Pang, Heping Zheng, Zuquan Jin, Dongshuai Hou, Yunsheng Zhang, Xiaoyun Song, Yanan Sun, Zhiyong Liu, Wei She, Lin Yang, Mengyuan Li
Summary: This study develops an internal superhydrophobic material (ISM) using waste denitrification fly ash, which maintains stable hydrophobicity under harsh conditions of use and does not rely on expensive fluor-based surface modifications. The synthesized ISM has excellent matrix strength, strong waterproof properties, and retains superhydrophobicity even at damaged or friction interfaces.
COMPOSITES PART B-ENGINEERING
(2024)
Article
Engineering, Multidisciplinary
Meirbek Mussatayev, Qiuji Yi, Mark Fitzgerald, Vincent K. Maes, Paul Wilcox, Robert Hughes
Summary: Real-time monitoring of carbon fibre composites during Automated Fibre Placement (AFP) manufacturing remains a challenge for non-destructive evaluation (NDE) techniques. This study designed a directional eddy-current (EC) probe to evaluate the detectability of out-of-plane wrinkles. Experimental evaluations and finite element modeling were conducted to better understand the relationship between eddy-current density and defect detection. The findings suggest that the probe configuration with an asymmetric driver coil and differential pickup coils shows the best capability for wrinkle detection.
COMPOSITES PART B-ENGINEERING
(2024)