Article
Chemistry, Multidisciplinary
Siyu Liu, Thomas Szkopek, Francois Barthelat, Marta Cerruti
Summary: In this study, a layered assembly method using a borax solution was developed to fabricate stiff and strong 3D graphene oxide (GO) structures. The assembled GO layers with borax showed the highest stiffness compared to those assembled using water. The versatile processing method enabled the fabrication of lightweight and stiff GO structures, achieving a stiffness to mass ratio 2-4 times higher than other polymer samples.
Review
Chemistry, Physical
Gi-Hyeok Lee, Vincent Wing-hei Lau, Wanli Yang, Yong-Mook Kang
Summary: This review summarizes recent advances in investigating oxygen redox reactions in cathode materials, discussing mechanistic aspects, consequences on electrode degradation pathways, and recent developments for improving reversibility or mitigating harmful processes arising from oxygen oxidation.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Sikang Zheng, Jingwei Li, Daliang Zhang, Zizhen Zhou, Jie Liu, Yanyan Tao, Xuan Fang, Xiaolong Yang, Guang Han, Xu Lu, Guoyu Wang, Bin Zhang, Dengkui Wang, Xiaoyuan Zhou
Summary: This study intensively investigates the oxidation behavior and surface structure evolution of van der Waals chalcogenide GaSe. The temperature-dependent oxidation behavior and surface structure evolution are revealed, and the potential for surface oxidation engineering is explored. This research is of great significance for deep understanding and utilization of oxidation behavior, as well as for materials/device design and development of relative systems.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Materials Science, Ceramics
Yongan Niu, Jianming Feng, Zihang Shi, Xinyu Lu, Li Yang, Xin Zhang
Summary: In this study, graphene oxide (GO) was chosen to improve the structural stability of alpha-Fe2O3 films. The double-layered GO/alpha-Fe2O3/GO sandwich films showed good stacking structures and significant interlayer coupling, resulting in enhanced electrochemical performance and corrosion resistance.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Physical
Min Gi Choi, Seonha Park, Habeom Lee, Songkil kim
Summary: Surface structures on CVD grown graphene, such as wrinkles, influence the layer-dependent nanoscale friction, and the twisting of the top-most graphene layer is a significant factor in affecting this friction.
APPLIED SURFACE SCIENCE
(2022)
Article
Engineering, Environmental
Shihao Li, Huangxu Li, Haiyan Zhang, Shuai Zhang, Yanqing Lai, Zhian Zhang
Summary: An integrative and facile surface structures constructing strategy was provided to achieve stable cycling and fast charging in Li-rich Mn-based layered oxides (LLOs). The material with induced stable bi-phase coating layers delivers a high discharge specific capacity and excellent rate performance. The excellent fast charging performance and cycling stability were attributed to accelerated Li+ transportation rate and suppressed oxygen release, transition metals dissolution, and electrolyte attack.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Shuibin Tu, Hai Su, Dong Sui, Yongwu He, Mingren Cheng, Panxing Bai, Chong Zhang, Pengfei Sun, Chenhao Wang, Jiaxing Jiang, Yunhua Xu
Summary: The study presents a surface-induced assembly strategy to fabricate mesoporous carbon (MC) nanomaterials with controllable morphologies and porous structures. These MC materials exhibit excellent energy storage performance in flexible sulfur electrodes and supercapacitors, showing great potential for various energy storage applications.
ENERGY STORAGE MATERIALS
(2021)
Article
Engineering, Civil
Jian-Ping Lin, Xiaolei Liu, Yun Wang, Rongqiao Xu, Guannan Wang
Summary: The static and dynamic behavior of three-layered composite structures is investigated through finite-element expressions in this study. The developed numerical method considers independently assumed interlayer slips and transverse shear deformations based on the Timoshenko's beam theory. The obtained results are validated against existing analytical and numerical data, demonstrating the reliability of this technique. Additionally, the introduced internal degrees of freedom help alleviate the locking phenomenon and accurately predict the overall behavior of composite structures with significantly distinct material properties.
ENGINEERING STRUCTURES
(2022)
Article
Multidisciplinary Sciences
Michael L. Aubrey, Abraham Saldivar Valdes, Marina R. Filip, Bridget A. Connor, Kurt P. Lindquist, Jeffrey B. Neaton, Hemamala Karunadasa
Summary: Using organic molecules as directing groups, a variety of perovskite heterostructures are self-assembled in solution to form single crystals. This method allows precise stacking of different 2D structures, revealing exotic phenomena at their interfaces. The interleaving of inorganic structures found in these heterostructures can lead to new electronic transitions, demonstrating the potential for directed synthesis of complex semiconductors that self-assemble in water.
Article
Chemistry, Analytical
Zhengying Peng, Youyuan Chen, Pengkun Yin, Fan He, Daibing Luo, Yixiang Duan, Qingwen Fan, Zhimei Wei, Qingyu Lin
Summary: A highly sensitive cytosensor based on surface-enhanced Raman scattering (SERS) was developed for rapid tumor cell detection in biological samples. This cytosensor exhibited good linearity and a low limit of detection, demonstrating high sensitivity and reproducibility.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Chemistry, Physical
Carola Seyfert, Erwin J. W. Berenschot, Niels R. Tas, Arturo Susarrey-Arce, Alvaro Marin
Summary: By systematically varying the initial particle concentration and evaporation rate, different shapes and stabilities of supra-particle clusters can be obtained. The key lies in using superhydrophobic substrates with fractal-like microstructures, leading to shape transitions and enhanced stability.
Article
Materials Science, Multidisciplinary
Libo Men, Yilin Yu, Zhaoyang Hou, Xiao Li, Zhengjin Wang
Summary: This study investigates the cracking modes in layered hyperelastic structures composed of brittle films bonded to tougher substrates. It is found that surface cracks initially penetrate through the thickness of the film and are followed by crack channeling and interface debonding as stretch increases. The sequence of cracking modes is determined by the ratio of interfacial debonding energy to fracture energy of the film. This work establishes critical conditions for different cracking modes and provides a pathway to design cracking-resistant stretchable devices.
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS
(2023)
Article
Chemistry, Multidisciplinary
Jinjun Ding, Chuanpu Liu, Yuejie Zhang, Vijaysankar Kalappattil, Rui Yu, Uppalaiah Erugu, Jinke Tang, Haifeng Ding, Hua Chen, Mingzhong Wu
Summary: The study found that an Ag spacer between the alpha-Sn film and NiFe film can enhance the damping of the NiFe film, potentially related to the topologically nontrivial surface states of the alpha-Sn film. These results suggest that the topological Dirac semimetal alpha-Sn may have promising applications in spintronics.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Physical
Haoran Zhang, Pengbo Xue, Menglin Wang, Jinfeng Wang, Yu Shi, Lei Pan
Summary: This paper presents a simple method for preparing superamphiphobic surfaces with zinc oxide re-entrant structures using self-assembled polystyrene monolayer colloidal crystals as templates. The prepared surface exhibits high contact angles and low sliding angles for various liquids. The morphology and size of the re-entrant structures can be controlled, and the wetting properties are influenced by these structures. Additionally, the superamphiphobic surface can be used as a substrate for molecular detection.
SURFACES AND INTERFACES
(2023)
Article
Engineering, Electrical & Electronic
James C. Rautio, Matthew A. Thelen
Summary: A new method of moments analysis based on volume current is proposed for planar multilayer circuits, addressing structures that require modeling volume current created by modern fabrication techniques. The presented basis functions are crucial for analysis, while the embedding layered media does not require meshing and can be quickly evaluated using the FFT algorithm.
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
(2021)
Article
Nanoscience & Nanotechnology
Xiaoru Meng, Jingrui Huang, Guangzhao Zhu, Yan Xu, Shoupu Zhu, Qi Li, Ming Chen, Meng-Chang Lin
Summary: In this study, thermally oxidized multi-walled carbon nanotubes (OMWCNTs) were fabricated through a thermal treatment process. The oxygen content and specific surface area of OMWCNTs were significantly increased compared to MWCNTs. A Fe2O3/OMWCNTs nanocomposite was prepared and showed a higher specific capacity than the sum of single Fe2O3 and OMWCNTs. OMWCNTs not only buffered the volume changes of Fe2O3 nanoparticles but also facilitated high-speed electronic transmission. The thermal oxidation method used in this study had advantages such as safety, environmental protection, and macroscopic preparation.
Article
Chemistry, Physical
Liyi Zhao, Yunfei Ning, Qingyu Dong, Zaka Ullah, Penghao Zhu, Surong Zheng, Guang Xia, Shoupu Zhu, Qi Li, Liwei Liu
Summary: Organic cathodes are attracting attention due to their advantages of higher capacity, abundant reserves, and designable structure. However, the dissolution of active organic materials hinders their practical applications in lithium-ion batteries. Extending the conjugated framework is an efficient strategy to inhibit the dissolution. An organic molecule with an extended conjugated framework, indanthrone (IDT), is reported for use in lithium-ion batteries. It exhibits high capacity, insolubility, and high stability due to the presence of rich carboxyl groups and intermolecular interactions. The specific capacity of IDT-based cathodes is 238 mAh g(-1), and it retains a capacity of over 200 mAh g(-1) after 1000 cycles at a decay rate of only about 0.014% per cycle. The structure design of extending the conjugated framework improves the battery performance with longer cycle life and higher energy density.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Multidisciplinary
Debarani Devi Khumujam, Tolendra Kshetri, Thangjam Ibomcha Singh, Nam Hoon Kim, Joong Hee Lee
Summary: The judicious design of highly electrochemically active materials on 1D fiber substrate to form a hierarchical integrated hybrid structure is an efficient technique to improve the limited cylindrical space and volumetric energy density of fiber-shaped supercapacitors (FSCs).
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Phan Khanh Linh Tran, Duy Thanh Tran, P. Muthu Austeria, Do Hwan Kim, Nam Hoon Kim, Joong Hee Lee
Summary: This study develops a novel bifunctional electrocatalyst consisting of iron phthalocyanine and vanadium oxide phthalocyanine immobilized on 3D hierarchical MoS2-coated MXene Mo2TiC2Tx heterostructures. The hybrid material exhibits excellent catalytic activity for hydrogen and oxygen evolution reactions in water electrolysis, enabling green hydrogen gas production.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Muhaiminul Islam, Thanh Hai Nguyen, Duy Thanh Tran, Van An Dinh, Nam Hoon Kim, Joong Hee Lee
Summary: Seawater is an attractive alternative for large-scale production of green hydrogen. Researchers have discovered that dual-atomically dispersed palladium and ruthenium on CoNi alloy nanowires coated with two-dimensional MoS2 can significantly improve the activities of hydrogen and oxygen evolution reactions. The catalyst shows low overpotentials for HER and OER in alkaline freshwater, along with favorable stability.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Physical
Jingqiang Wang, Duy Thanh Tran, Kai Chang, Sampath Prabhakaran, Junhuan Zhao, Do Hwan Kim, Nam Hoon Kim, Joong Hee Lee
Summary: In this study, a high-efficiency hybrid catalyst of Ni nanoparticles-encapsulated carbon nanotubes-bridged molybdenum carbide/nickel phosphide heterostructures (Ni@CNTs-MoxC/Ni2P) was prepared. The catalyst exhibited a hierarchical structure with rich heterogeneous interfaces, offering an efficient connection among different active phases. It showed superior performance in bifunctional oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) compared to recently reported catalysts.
Article
Chemistry, Physical
Penghao Song, Surong Zheng, Zaka Ullah, Zairui Yang, Aihua He, Penghao Zhu, Cunguo Wang, Qi Li
Summary: The FeCoDA-CN@PP separator, with its porous structure and bimetallic doping, successfully addresses the shuttle effect of lithium polysulfides (LiPSs) on the positive electrode and ensures efficient lithium growth during cycling on the negative electrode, leading to improved capacity and performance of lithium-sulfur batteries (LSBs).
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Ravichandran Balaji, Thanh Tuan Nguyen, Muthu P. Austeria, Do Hwan Kim, Joong Hee Lee, Nam Hoon Kim
Summary: This study develops a well-defined vanadium nitride/magnesium oxide (VN/MgO) heterostructure on nitrogen-doped carbon frameworks (VM-NC), which enhances active sites and enables tunable electronic structure. The synergistic effect at VN/MgO interfaces improves charge-transfer rate, increases active sites, and promotes OER/ORR kinetics in an alkaline medium. The VM-NC catalyst exhibits excellent performance in ORR and OER, and VM-NC-based zinc-air cells (ZACs) demonstrate high peak power density and long cycle life, with outstanding flexibility and electrochemical performance.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Dasu Ram Paudel, Uday Narayan Pan, Ram Babu Ghising, Mani Ram Kandel, Sampath Prabhakaran, Do Hwan Kim, Nam Hoon Kim, Joong Hee Lee
Summary: Multiple interfaces and phases between the electrode and electrolyte are crucial for overall electrocatalysis. This study developed a hybrid heterostructure with improved synergistic effects between organic and inorganic components. The FeCu-BTC/WO3-WC ternary nanocomposite exhibited excellent electrochemical performances and durability, making it a promising candidate for zero-emission energy technologies.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Mani Ram Kandel, Uday Narayan Pan, Purna Prasad Dhakal, Ram Babu Ghising, Thanh Tuan Nguyen, Junhuan Zhao, Nam Hoon Kim, Joong Hee Lee
Summary: A noble-metal-free electrocatalyst with a unique heterostructure architecture, consisting of hybrid Ni2P-MnP nanosheet coupled with Co2P nanoflowers (Ni2P-MnP@Co2P), has been successfully developed for highly competent hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). The tri-phased Ni2P-MnP@Co2P nanocrystal exhibits greatly active and robust electrocatalytic efficacy with low HER (60 mV) and OER (255 mV) potential achieving current densities of (10 and 30) mA cm-2, respectively. The exceptional electrochemical performance is attributed to the distinctive architectural feature, high surface area with optimum porosity, bountiful Ni2P-MnP and Co2P heterointerface interaction, and synergism among Ni2P, MnP, and Co2P multi-active sites.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Engineering, Environmental
Purna Prasad Dhakal, Uday Narayan Pan, Mani Ram Kandel, Ram Babu Ghising, Thanh Hai Nguyen, Van An Dinh, Nam Hoon Kim, Joong Hee Lee
Summary: The rational integration of a 2D layered transition metal sulfide and phosphide in a single heterostructure has been achieved to produce hydrogen through controlled manipulation of electronic structure. The hierarchical 2D-2D tangled 3D heterostructure of manganese-doped 1T vanadium disulfide (1T-Mn-VS2) assembled with cobalt phosphide (Co2P) shows significantly low overpotential for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), enabling efficient bifunctional water splitting. Defect engineering and interface modeling validated by DFT study contribute to the fast redistribution of local charges/electron transfer.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Wenqi Fan, Bobby Singh Soram, Duy Thanh Tran, Nam Hoon Kima, Joong Hee Lee
Summary: In this study, a novel PAN-I@WMoO3 nanorods core-shell structure was designed as an intercalation electrode for aqueous flexible zinc-ion batteries (ZIBs). The PANI@WMoO3//Zn/CC battery exhibited outstanding electrochemical performance, exceptional rate capability, superior cyclic stability, and excellent mechanical characteristics. Additionally, a Zn metal-free aqueous Zn-ion battery was successfully assembled with PANI@WMoO3 NRs/CC as an anode, demonstrating the practicability of this design for zinc-ion full batteries.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Uday Narayan Pan, Mani Ram Kandel, Anuj Kumar Tomar, Nam Hoon Kim, Joong Hee Lee
Summary: Researchers hybridize and integrate two different nanostructures of highly-potent electrocatalysts for water splitting, resulting in a high-performance heterostructure. The catalytic efficiency is enhanced through various modifications, including enriching metallic (1T)-phase and bimetallicization. The resulting P,Fe-(VCo)Se-2 heterostructure exhibits excellent performance.
Article
Chemistry, Multidisciplinary
Joonghee Lee, Hyeonjeong Jo, Jaehong Oh
Summary: Drone surveys are increasingly popular in various construction applications, including civil engineering. However, the accuracy of elevation measurement and surface settlement prediction has been limited in the field of geotechnical engineering. This study applied drone LiDAR surveying to measure soft ground settlement at a large land reclamation site. The results showed that drone LiDAR surveying had high accuracy in terms of vertical accuracy, long-term settlement prediction, and consolidation.
APPLIED SCIENCES-BASEL
(2023)
Article
Chemistry, Physical
Quynh Phuong Ngo, Thanh Tuan Nguyen, Manjinder Singh, Nam Hoon Kim, Joong Hee Lee
Summary: In this study, we report the preparation of a Mott-Schottky catalyst with high catalytic activity for ORR, OER, and HER through in situ pyrolysis strategy. The ZABs using this catalyst show excellent battery performance and cycle life, and the flexible ZAB also demonstrates its potential for practical applications. Additionally, the catalyst exhibits impressive ability for water electrolysis devices.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
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)
