Article
Materials Science, Ceramics
Longbiao Li
Summary: Under monotonic and cyclic tensile loading, stochastic brittle fragmentations significantly influence the mechanical behavior of fiber-reinforced ceramic-matrix composites (CMCs). Experimental and theoretical models were used to study the synergistic effects of matrix and fiber fragmentations on loading/unloading hysteresis behavior. The study also analyzed the impacts of fiber volume fraction and strength on the hysteresis loops of CMCs, providing valuable insights for composite material design optimization.
CERAMICS INTERNATIONAL
(2021)
Article
Engineering, Multidisciplinary
Pietro Galizia, Diletta Sciti
Summary: The impact of residual thermal stresses (RTS) on the reusability of CMCs with high-temperature capabilities and ablation resistance was studied. The RTS of ZrB2-SiC ceramic reinforced with carbon fibers was found to depend on fiber anisotropy and fiber coating. Microstructural analysis revealed the presence of residual porosity, cracks, porosity within fiber bundles, volumetric content of the fibers, and degree of dispersion. The level of RTS was determined by comparing stiffness-displacement curves and cyclic dilatometric curves, and its correlation with thermomechanical behavior was evaluated through flexural tests.
COMPOSITES PART B-ENGINEERING
(2023)
Article
Engineering, Manufacturing
Marco Riva, Alessandro Airoldi, Antonio Maria Caporale, Lorenzo Cavalli, Mario De Stefano Fumo
Summary: This study investigates the interlaminar properties of a C/SiC composite produced by Liquid Silicon Infiltration through experiments and numerical analysis. Experimental methods are introduced to obtain pre-cracks with sharp tips at precise locations, and specimens with different thicknesses are used to study the effects of bending stress states in the delamination process. Numerical techniques are utilized to identify the properties of tri-linear Cohesive Zone Models for simulating delamination, without additional assumptions or testing. The study also considers fiber bridging effects and evaluates process zone lengths using different experimental, analytical, and numerical methods. Overall, the study provides qualitative insights into the delamination process of cost-affordable long fiber reinforced C/SiC laminates, and proposes an experimental and numerical protocol that takes into account the scattering of material properties.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2023)
Article
Engineering, Manufacturing
Tingya Jia, Yong Deng, Yi Hao, Xinran Gao, Chao Zhang, Tianbao Cheng, Weiguo Li, Gunjin Yun
Summary: In this study, a physics-based temperature dependent analytical model for predicting the fracture strength of SiC fiber reinforced ceramic matrix composites (SiCf/CMCS) under high temperature oxidation environment is developed. The effects of temperature, strength of constituent material, high temperature oxidation, and residual thermal stress on fracture strength are included in the model. The model is verified by experimental results and comparison with other models, showing better agreement. Furthermore, the study analyzes the influencing factors of fracture strength evolution with oxidation temperature and time, fiber content and Young's modulus, and residual thermal stress. The reliable theoretical model provided in this study contributes to the prediction of high temperature fracture strength of SiCf/CMCS, and is helpful for mechanical property evaluation and property optimization under extreme environments.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2023)
Article
Engineering, Manufacturing
Talha J. Pirzada, Shraddha Singh, Robin De Meyere, Philip Earp, Marina Galano, T. James Marrow
Summary: The effects of different processing temperatures on Nextel 312 fiber SiCO ceramic matrix composite were studied, showing that processing at 950 degrees Celsius or above provided a combination of high effective elastic modulus, good resistance to mechanical damage from tensile strain, and good thermal stability.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2021)
Article
Engineering, Manufacturing
Antonio Vinci, Laura Silvestroni, Nicola Gilli, Luca Zoli, Diletta Sciti
Summary: This study investigates the effects of rare earth oxides on carbon fibre-ZrB2/SiC composites and finds that the addition of Y2O3, La2O3, and CeO2 improves the densification of the material, while Sc2O3 promotes the formation of solid solutions in the matrix. All the composites exhibit improved mechanical properties, but CeO2 is detrimental to the long-term structural stability.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2022)
Article
Engineering, Multidisciplinary
Zhehan Yi, Xiang Zhang, Liwen Yan, Xudong Huyan, Tao Zhang, Shan Liu, Anran Guo, Jiachen Liu, Feng Hou
Summary: By in-situ synthesizing mullite whiskers on the surface of alumina silicate fiber, the interfacial bonding between fiber and aerogel was strengthened, improving the mechanical properties and compression stress of the composite material. The composite material features high compression stress and modulus, high retention rate, and ultralow thermal conductivity, making it suitable for thermal insulation and energy-saving applications.
COMPOSITES PART B-ENGINEERING
(2022)
Review
Engineering, Manufacturing
Xinyuan Lv, Fang Ye, Laifei Cheng, Litong Zhang
Summary: Whisker-reinforced ceramic matrix composites (CMCs) are emerging materials for structural applications at high temperatures. This review presents a composite preparation route that allows for scalability and industrialization. It discusses the sequential preparation of whisker, whisker preform, interphase, and matrix, and the different synthesis methods and morphology control mechanisms of whiskers (SiCw, Si3N4w, Al2O3w). Directions for future development are also proposed.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2022)
Article
Materials Science, Ceramics
Hao Li, Munan Lu, Yufeng Xue, Wenfeng Qiu
Summary: The continuous NextelTM 720 fiber-reinforced zirconia/alumina ceramic matrix composites (CMCs) were prepared by slurry infiltration process and precursor infiltration pyrolysis (PIP) process. The introduction of sub-micron zirconia powders improved the sintering activity, thermal resistance, and mechanical properties of the CMCs. The CMC sample achieved a high flexural strength of 200 MPa after one infiltration cycle of alumina preceramic polymer and thermal treatment.
CERAMICS INTERNATIONAL
(2022)
Article
Engineering, Manufacturing
Yuekai Yan, Hui Mei, Minggang Zhang, Zhipeng Jin, Yuntian Fan, Laifei Cheng, Litong Zhang
Summary: This paper investigates the interfacial bonding issue in continuous fiber 3D printed ceramics and proposes a method to control the interface through chemical vapor infiltration. Experimental results show that controlling the interface and filling the fiber bundles can improve the mechanical properties of ceramic materials.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2022)
Article
Engineering, Mechanical
Longbiao Li
Summary: A micromechanical approach was developed to predict crack opening displacement (COD) of fiber-reinforced ceramic-matrix composites under tensile loading, considering matrix fragmentation and fiber/matrix interface debonding. Relationships between composite constituent properties, COD, and matrix fragmentation were established, and the effects of various factors on crack behavior were analyzed, providing insights into the mechanisms governing crack initiation and propagation in such composite materials.
THEORETICAL AND APPLIED FRACTURE MECHANICS
(2021)
Article
Materials Science, Ceramics
Stefan Flauder, Felix Wich, Jianjun Sha, Nico Langhof, Walter Krenkel, Stefan Schaffoener
Summary: The influence of low-cycle thermo-mechanical preloading on the strength of carbon fiber-reinforced silicon carbon (C/C-SiC) was experimentally investigated. The results show that the ultimate strength values of C/C-SiC were not significantly changed after preloading.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Materials Science, Ceramics
Longbiao Li
Summary: This paper develops a micromechanical tension-compression fatigue hysteresis loops model for fiber-reinforced ceramic matrix composites, characterizing the stress-strain behavior using multiple micromechanical damage parameters. The analysis of tension-compression fatigue hysteresis loops for unidirectional SiC/CAS composites under different conditions reveals the effects of material properties, damage stage, and fatigue stresses on the behavior of the material. Additionally, experimental predictions of stress-strain hysteresis loops using the developed models show distinct responses under different compressive stress levels.
CERAMICS INTERNATIONAL
(2021)
Article
Nanoscience & Nanotechnology
Longbiao Li
Summary: The cyclic loading/unloading non-closure hysteresis behavior of fiber-reinforced ceramic-matrix composites (CMCs) was investigated, taking into account variable matrix fragmentation density. Relationships between non-closure hysteresis loops, inverse tangent modulus, and interface slip ratio were established, while the effects of composite constituent and interface properties on non-closure hysteresis loops of SiC/SiC were analyzed.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2021)
Article
Materials Science, Ceramics
Antonio Vinci, Luca Zoli, Laura Silvestroni, Nicola Gilli, Diletta Sciti
Summary: A significant improvement in mechanical performance was achieved in ZrB2-based ultra-high temperature ceramic matrix composites (UHTCMCs) through the introduction of rare earth oxides, resulting in the formation of ternary boro-carbides of general formula REB2C2. This study investigated the potential routes for synthesizing YB2C2 phases at UHTC sintering temperatures by using different boron sources, and analyzed their microstructure using SEM, XRD, and TEM. The findings showed that the mixture with B4C exhibited the highest selectivity for the formation of YB2C2, and a long carbon fibre reinforced YB2C2 ceramic composite with a flexural strength of 380 MPa was successfully fabricated. The chemical stability of these materials in air was also assessed.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Chemistry, Physical
Xiaochao Jin, James Wade-Zhu, Yang Chen, Paul M. Mummery, Xueling Fan, T. James Marrow
Summary: Digital volume correlation was used to measure the three-dimensional displacement fields around quasi-static propagating cracks in neutron irradiated and unirradiated graphite in compression specimens. 3D finite element simulations obtained the critical elastic strain energy release rate for crack propagation, revealing differences in properties between irradiated and unirradiated graphite.
Article
Mechanics
Changqi Liu, Yang Chen, Duoqi Shi, James Marrow, Xin Jing, Xiaoguang Yang
Summary: The mechanical failure of 3D 4-step braided SiCf/SiC composites processed by precursor infiltration pyrolysis was studied under flexural loading to investigate the conditions at failure. Optical imaging and X-CT imaging were utilized for in situ investigation of microstructure-related failure mechanisms. The observed failure modes included matrix cracking, inter- and intra-bundle debonding, and fiber breakage. Multiple cracking in compression was found to be the ultimate failure mode.
COMPOSITE STRUCTURES
(2021)
Article
Chemistry, Physical
Ziyang Ning, Dominic Spencer Jolly, Guanchen Li, Robin De Meyere, Shengda D. Pu, Yang Chen, Jitti Kasemchainan, Johannes Ihli, Chen Gong, Boyang Liu, Dominic L. R. Melvin, Anne Bonnin, Oxana Magdysyuk, Paul Adamson, Gareth O. Hartley, Charles W. Monroe, T. James Marrow, Peter G. Bruce
Summary: The propagation of lithium dendrites and cracks through ceramic electrolytes can lead to short circuits in batteries. The cracks initiate near the surface of the lithium electrode and propagate transversely across the electrolyte, driven by lithium ingress.
Article
Agricultural Engineering
Philippe Gle, Thibaut Lecompte, Arthur Hellouin de Menibus, Helene Lenormand, Santiago Arufe, Camille Chateau, Vanessa Fierro, Alain Celzard
Summary: The paper discusses the packing of plant particles for building applications, measuring densities, porosities, water absorption, mechanical compression, and thermal and acoustic behaviors. Experimental methods including pycnometry, mercury intrusion, and X-ray computed tomography were used to characterize these parameters, revealing correlations between physical properties and behaviors of the hemp particles.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Chemistry, Physical
Xiaochao Jin, T. James Marrow, Jierui Wang, Yang Chen, Hongniao Chen, Daniel Scotson, Boyuan Wang, Houzheng Wu, Xueling Fan
Summary: This study investigated stable crack growth behavior of two fine grained advanced graphites under mode I and mixed-mode loading, finding that SNG742 graphite has higher fracture toughness than T220 graphite.
Article
Chemistry, Physical
Jiraphant Srisuriyachot, Sophie A. M. McNair, Yang Chen, Thomas Barthelay, Rob Gray, Jean Benezech, Igor P. Dolbnya, Richard Butler, Alexander J. G. Lunt
Summary: This paper investigates the feasibility of using synchrotron X-ray diffraction (SXRD) for mapping fiber orientation and lattice strain in carbon fiber reinforced polymer (CFRP) composites. The SXRD results are found to provide relatively accurate estimates of lattice strain, but discrepancies still exist compared to numerical simulation results.
Article
Materials Science, Multidisciplinary
S. Zhao, Y. Chen, L. Saucedo-Mora, T. Connolley, T. J. Marrow
Summary: This study aims to develop a novel methodology for measuring the deformation of ceramic composite tubes. By observing the burst test of SiC/SiC composite tubes using high resolution X-ray tomography and measuring the three-dimensional displacements using digital volume correlation, the results regarding strain and cracking were obtained.
EXPERIMENTAL MECHANICS
(2023)
Article
Materials Science, Multidisciplinary
Yang Chen, James Marrow
Summary: A microscale model was developed to predict the mechanical behavior of irradiated fibre composites, and the effects of swelling mismatch on the mechanical properties were investigated. The sensitivity of the composites' properties to irradiation swelling was affected by the fibre volume fraction, while the porosity affected the initial unirradiated properties.
JOURNAL OF NUCLEAR MATERIALS
(2022)
Article
Mechanics
Xiao Ma, Yang Chen, Modesar Shakoor, Dmytro Vasiukov, Stepan V. Lomov, Chung Hae Park
Summary: This paper focuses on the numerical implementation of phase-field models of fracture using the Fast Fourier Transform based numerical method. The influence of a simplification in the phase-field evolution equation on heterogeneous materials is assessed and a complete formulation is proposed. The assessment shows that the simplified formulation leads to artificial diffusion of damage between different components, while the complete formulation suppresses this diffusion.
ENGINEERING FRACTURE MECHANICS
(2023)
Article
Engineering, Multidisciplinary
C. Scarth, Y. Chen, C. Aza, A. T. Rhead, R. Butler
Summary: For the first time, the length of the fiber is shown to be a key factor in wrinkling defects during automated forming of components. By using non-standard stacking sequences with shorter fiber lengths, it was demonstrated that wrinkling can be reduced, leading to significant time and cost savings in aerospace production.
COMPOSITES PART B-ENGINEERING
(2023)
Article
Computer Science, Interdisciplinary Applications
Yang Chen
Summary: This paper presents a new numerical solver based on fast Fourier transform (FFT) for predicting fluid flow in bi-porous media with local anisotropy. The solver is derived from a velocity-form of the Stokes-Brinkman problem and utilizes the Anderson acceleration technique to improve the convergence rate. Detailed numerical examples and parametric studies are provided to validate the method and demonstrate its performance. The proposed method, combined with parallelization on high-performance computing systems, represents a state-of-the-art numerical solver for the Stokes-Brinkman problem.
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
(2023)
Article
Mechanics
Ahmad Awdi, Camille Chateau, Francois Chevoir, Jean-Noel Roux, Abdoulaye Fall
Summary: The study investigates nonlinear behavior in large amplitude oscillatory shear of unsaturated wet granular materials and explores how the material properties depend on both strain amplitude and frequency of deformation. The results show that the energy dissipated per unit volume in a single cycle of shear is influenced by factors such as viscosity, reduced pressure, and frequency. By introducing certain numerical parameters, the influence of surface tension, viscosity, and driving frequency on the dissipated energy can be represented effectively.
JOURNAL OF RHEOLOGY
(2023)
Article
Multidisciplinary Sciences
Ziyang Ning, Guanchen Li, Dominic L. R. Melvin, Yang Chen, Junfu Bu, Dominic Spencer-Jolly, Junliang Liu, Bingkun Hu, Xiangwen Gao, Johann Perera, Chen Gong, Shengda D. Pu, Shengming Zhang, Boyang Liu, Gareth O. Hartley, Andrew J. Bodey, Richard I. Todd, Patrick S. Grant, David E. J. Armstrong, T. James Marrow, Charles W. Monroe, Peter G. Bruce
Summary: All-solid-state batteries with a Li anode and ceramic electrolyte have the potential to significantly outperform current Li-ion batteries. However, the formation and penetration of Li dendrites during charging remain a major challenge. Previous models focused on a single process for dendrite initiation and propagation, but our study reveals that these processes are actually separate and independent.
Article
Engineering, Mechanical
Zhengmao Yang, Wenhao Li, Yang Chen, Wu Zeng, Wenbo Chen, Xueqiang Cao
Summary: This work investigates the tension-tension fatigue behavior of a woven SiC/SiC ceramic matrix composite with an environmental barrier coating under elevated temperatures up to 1300 degrees C. Experimental investigations reveal the fatigue failure mechanism for SiC/SiC CMCs with EBCs under different loading conditions, and the materials undergo cyclic softening. A mechanism-based framework is proposed to interpret the fatigue behavior of CMCs through detailed fatigue experiment observations. A new fatigue damage model is developed based on the decrease in the elastic modulus, which shows good agreement with experimental data and has the potential to describe complex thermomechanical damage of SiC/SiC CMCs with EBCs.
INTERNATIONAL JOURNAL OF FATIGUE
(2023)
Article
Engineering, Manufacturing
Wenwu Zhang, Helezi Zhou, Bin Huang, Huamin Zhou, Xiongqi Peng
Summary: This paper investigates the tool-ply friction behavior of jute/PLA biocomposites in thermoforming. A pull-through friction testing device was developed to characterize the tool-ply friction behavior of jute/PLA prepreg at elevated temperature. The effects of alkali treatment, fiber orientation, normal force, and slipping velocity were studied, and a quantitative definition of tool-ply friction behavior was achieved. The results indicate a strong relationship between tool-ply friction behavior and woven and fiber structures, indicating hydrodynamic lubrication.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Stephen Clay, Wesley Ault, Alex Faupel, Caglar Oskay, Philip Knoth, Noam N. Y. Shemesh, Rami Haj-Ali, Uri Breiman, Ido Meshi, Ofir Shor
Summary: This paper presents an experimental investigation on the compression failure mechanisms of laminated carbon fiber reinforced composites under non-standard quasi-static loading. The results demonstrate the presence of interior kink bands, surface ply splitting, and delaminations, with each failure mechanism associated with different stress levels.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Bowen Zeng, Jinlong Yang, Zhi Ni, Yucheng Fan, Ziyan Hang, Chuang Feng
Summary: This study successfully improved the pyroelectric properties of PVDF films by preparing functionally graded graphene nanoplatelet (FG-GNP) reinforced PVDF composite films. The increase in the number of layers and the concentration of GNP near the surface of the composite film were found to enhance the pyroelectric properties and temperature stability.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Shenghe Zhang, Fukai Chu, Weizhao Hu, Bibo Wang, Richard K. K. Yuen, Yuan Hu
Summary: This study improves the flame retardancy and mechanical properties of PBAT by synthesizing a phosphorus-containing intercalator and mixing it into the PBAT matrix.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Tharan Gordon, Michael R. Wisnom, Byung Chul Kim
Summary: Thickness tapering is a common strategy for efficient and lightweight composite structures, but it can introduce delamination sites. This study investigated the use of ply scarfing method to improve the compressive failure stress of tapered laminates made from thick unidirectional non-crimp fabrics. The results showed that ply scarfing suppressed delamination and increased the failure stress by 60%.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Xin Wang, Yiting Qu, Junlei Bai, Fujun Xu, Bin Ding, Xiaohua Zhang
Summary: A solution-based strategy is proposed to achieve a strong bond between fibers and matrix in powder materials, resulting in improved mechanical properties, thermal conductivity, and fracture strain of the composites. The method also offers advantages such as enhanced powder flowability and thermal stability.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Xing Zhou, Guosheng Wang, Dexiang Li, Qi Wang, Keming Zhu, Yaya Hao, Yueyang Xu, Neng Li
Summary: This study successfully synthesized polyurethane elastomer by using degraded products from waste PET, and fabricated composites with carbon nanotubes for strain sensors. The composites showed good mechanical and durability performance, indicating a potential method for recycling waste PET into valuable and functional materials.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Fei Peng, Tingting Shan, Rongrui Chen, Jiulong Shi, Di Liu, Guoqiang Zheng, Chaojun Gao, Kun Dai, Chuntai Liu, Changyu Shen
Summary: Janus polymer films with distinct surface performance and potential applications were successfully prepared by vacuum-assisted hot-compressing method and spray coating. These films exhibit decent actuation performance and rapid selfpowered sensing property, and can be used for real-time acetone monitoring system.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Biao Cheng, Huafeng Quan, Yuefeng Zhang, Dong Huang, Tongqi Li, Chong Ye, Xingming Zhou, Zhen Fan, Yafang Zhang, Ting Ouyang, Fei Han, Hongbo Liu, Jinshui Liu
Summary: In this study, a binary graphite network was constructed to improve the thermal conductivity and control the formation of micrometer-scale open pores in phase change composites. The developed composites showed a high thermal conductivity and phase change enthalpy, making them promising for thermal control in space optical-mechanical systems and other critical aerospace components.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Shihao Zuo, Fei Cheng, Guangming Yang, Jiangzhou Li, Yongjun Deng, Guangjun Gou, Xuejun Cui, Yunsen Hu, Xiaozhi Hu
Summary: Micro-arc oxidation (MAO) treatment was used to modify aluminum (Al) alloys in order to improve bond strength with carbon fiber reinforced polymer (CFRP). The treatment successfully created a porous surface with better hardness, roughness, and wetting, and introduced resin pre-coating (RPC) and carbon nanotube (CNT) fiber bridging to improve the bonding interface. The combined treatments significantly increased the bond strength by up to 156.1%, indicating the feasibility of MAO as an alternative method for manufacturing high-performance Al-CFRP composites in industrial production.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
James Kratz, Christophe Paris, Karolina Gaska, Vincent Maes, Ivana Partridge, Philippe Olivier
Summary: Faster heating rates and higher process temperatures can reduce the total process time while achieving the same degree-of-cure. Thermal analysis shows that thermoplastic interleaf particles melt at the recommended curing temperature. A short dwell at a lower temperature can prevent the mixing of thermoplastic particles and thermoset pre-polymer.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Thomas Maierhofer, Evripides G. Loukaides, Craig Carr, Chiara Bisagni, Richard Butler
Summary: Joining thermoset composites via resistance welding provides an efficient method for aerospace structures with benefits such as high-volume manufacturing and simplified surface preparation. The influence of welding parameters on joint performance is assessed using Mode I fracture toughness testing. A Bayesian approach is employed to select high-performance parameters.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Jiangan You, Ling Cai, Ronghua Yu, Haiping Xing, Jian Xue, Ying Li, Zhiwei Jiang, Dongmei Cui, Tao Tang
Summary: In response to the global environmental pollution crisis caused by waste plastics, recyclable design is an effective solution. A CPVC/PUA nanocomposite foam was developed using the plasticizing-foaming-reinforcing strategy, combined with catalytic carbonization. The foam exhibited high expansion ratio, robustness, solvent resistance, flame-triggered shape memory effect, and ablation resistance. The foam could be directly upcycled into functional carbon foam with attractive electromagnetic interference shielding performance.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Siyao Chen, Zhiyu Chen, Yangling Ou, Junwei Lyu, Junning Li, Xiangyang Liu, Yang Liu
Summary: In this study, we demonstrated the significant effect of composite interface on temperature increase in electrical heaters. By selectively fluorinating the outer walls of carbon nanotubes and compositing them with cellulose nanofibers, improved interfacial phonon diffusion was achieved, leading to a higher temperature increase rate.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)
Article
Engineering, Manufacturing
Yanjun He, Agnieszka Suliga, Alex Brinkmeyer, Mark Schenk, Ian Hamerton
Summary: A new thermoset resin system based on a polybenzoxazine blend showed good performance under high ATOX irradiation. It reduced erosion yield by forming a silicon-rich surface layer and improved the mechanical properties of CFRP laminates.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2024)