Articles tagged with Composite Materials
Researchers developed a reusable adsorbent that can effectively remove synthetic dye contaminants from industrial wastewater using bullrush agricultural waste and copper nanoparticles. The composite exhibited superior broad-spectrum removal for both cationic and anionic dyes, with high surface area and durability.
Researchers developed lightweight carbon aerogels with CoNi components that deliver wide electromagnetic-wave attenuation at low density and low filler loading. The aerogels also exhibit thermal insulation, limiting heat transfer and maintaining a stable surface temperature even at high temperatures.
Recent developments in converting chitin and its derivatives into fibers have improved molecular orientation and strength. Functional chitin-derived fibers, including conductive and responsive fibers, are emerging as an emerging direction for sustainable textiles.
AnalySwift, a Purdue University-affiliated company, has received a Phase II STTR award to develop a robotic welding technology that enables disassembly and reassembly of large truss structures in space. The technology will simulate advanced materials and structures needed for this activity, including the feasibility of repurposing full...
Researchers used machine learning to analyze elemental composition of biochar and found hydrogen-to-carbon ratio and oxygen content to be key predictors of persistent free radicals concentration and radical type. The study provides a data-driven framework for linking elemental properties to biochar reactivity and environmental risks.
Researchers are transforming paper into sophisticated smart packaging that controls respiration, scrubbing ethylene to slow ripening for fruits and vegetables. For meat and seafood, the focus is on blocking oxygen and grease while embedding sensors that flag spoilage before it becomes obvious.
Researchers found that combining biochar with selected components from organic fertilizer can convert cadmium into less mobile forms. Larger organic molecules provide stronger protection against cadmium uptake by crops.
Researchers are engineering biochar-based composites to overcome limitations, such as insufficient adsorption capacity and limited selectivity for certain emerging pollutants. The new review highlights the importance of balancing treatment performance with environmental safety throughout the material's life cycle.
A new study found that soil acidity, nutrient conditions, and microbial function significantly impact nitrous oxide emissions. Fluvo-aquic soil consistently produced the lowest proportion of nitrous oxide, while red soil displayed limited denitrification potential due to its acidic conditions.
Researchers developed a waste-to-resource strategy using agricultural biomass to break down polyethylene microplastics. Walnut shell-derived biochar improved the photodegradation of TiO2, reducing microplastic particles by 70 micrometers in 40 hours.
Researchers developed a novel approach to convert technical lignin into functional coatings using low-energy suspension plasma spraying (LE-SPS). The new technique eliminates the need for solvents, crosslinkers, or catalysts, and produces continuous and dense coatings with improved UV attenuation and anti-fogging behavior.
Researchers at the University of Bath discovered that a fungus can break down hard-to-recycle construction waste and turn it into sustainable insulation. The resulting biomaterial has comparable thermal performance to conventional insulation products with significantly lower carbon emissions.
Researchers developed a cellulose/MXene sediment aerogel that combines EMI shielding, infrared stealth, and Joule heating within a single porous structure. The aerogel retained high porosity and specific surface area, enabling strong electromagnetic wave attenuation and thermal insulation.
Researchers have discovered that prickly pear cactus fibers can be extracted and used to create sustainable composite materials. The fibers' natural structure provides a honeycomb-like support system, making them suitable for lightweight, low-load applications.
The study introduces an architectural approach to improve carbon fiber-reinforced polymer (CFRP) composites' strength and resistance to catastrophic failure. The design features custom-designed thermoplastic lattice interlayers that preserve load-bearing pathways while allowing damage to spread gradually.
Researchers developed a new class of ultralight structural materials with 3D node winding, achieving compressive strengths comparable to concrete and up to ten times stronger than conventional lattice structures at equal weight. The approach enables continuous load paths, reducing inactive material and improving system-level performance.
New study finds anaerobic digestion of hemp hurd-based bioplastic systems delivers the best environmental outcome, generating up to 6.1 kg less CO2 emissions per 1 kg mulch film treated. The production process significantly affects the final carbon footprint of biocomposites.
Researchers have developed a water-soluble cellulose ethyl phosphite (CEP) adhesive that integrates high bonding strength, environmental tolerance, and recyclability. The CEP adhesive demonstrates remarkable thermal stability and resistance to moisture-related degradation, making it suitable for various applications.
Scientists developed a scalable ultrastrong bamboo strip through homogeneous fusion, achieving 942 MPa tensile strength and 32.1 GPa Young's modulus. The material demonstrates exceptional durability, biodegradability, and practical scalability for various industries.
The collaboration aims to improve manufacturing of silicon carbide ceramics, a strong material that can withstand high heat and radiation. Researchers will combine 3D printing and digital technologies to enhance production efficiency and reduce defects.
University of Warwick engineers led an international committee to update Eurocode 4, a standard for composite steel and concrete structures used in buildings and bridges. The updated standard introduces new guidance for modern construction techniques and advances the design of shear connections.
Researchers at Texas A&M University and DEVCOM Army Research Laboratory developed a hybrid foam with a 3D-printed plastic skeleton, offering tunable, lightweight and ultra-durable properties. The composite combines ordinary foam with plastic struts, allowing it to absorb more energy and withstand greater forces.
Vipin Kumar, a composites manufacturing researcher at Oak Ridge National Laboratory, has been selected for the ACMA Emerging Leaders Program. The program develops future leaders in the composites industry through professional development and advocacy training.
New insights from the University of Groningen reveal how the size and arrangement of building blocks affect the mechanical properties of metamaterials. This knowledge can be used to design safer, longer-lasting implants, robotic hands, and energy absorbers.
Dr. Barron Bichon has been promoted to vice president of SwRI's Mechanical Engineering Division, overseeing a team of over 400 staff members. He will lead the division in advancing additive manufacturing and composite material bonding for defense and aerospace applications.
LIST's patented infrared welding process enables rapid assembly of thick carbon-fibre-reinforced thermoplastic components, reducing weight, costs and environmental impact. The innovation is estimated to reduce CO2 emissions by 12.5 tonnes per wing rib.
Researchers developed a new 'frequency-multiplexed elastic metasurface' that can precisely direct elastic waves at distinct frequencies onto different locations, enhancing signal intensity by up to 48 times. This technology breaks the conventional belief that one structure can perform only one function.
Researchers at Empa's Mechanics of Materials and Nanostructures laboratory are working to improve the insulation material used in satellites and space probes. They have developed a new intermediate layer that makes the material more elastic and resistant to cracks and flaking, enabling better superinsulation for future satellites.
Researchers developed a transfer learning-enabled framework to predict mechanical properties of particle-reinforced aluminum matrix composites. The model achieves high predictive accuracy, addressing the challenges of limited data availability in traditional machine learning algorithms.
Researchers develop composite metal foam that can withstand tremendous force at lower weight than solid steel, raising the possibility of creating safer tanker cars for transporting hazardous materials. The finding is validated through computational modeling and experimental testing.
Researchers have developed a halide perovskite volatile unipolar nanomemristor that achieves energy-efficient switching with minimal power consumption. The device uses a monocrystal nanocube with chemical composition CsPbBr3, placed between chemically inert contacts, to enable fast computation and readable memory states.
A new composite material made from a recyclable polymer infused with microscopic droplets of liquid metal alloy can be broken down through a simple chemical process, freeing the metal for reuse. The material also has self-healing properties, allowing it to be cut, rearranged, and bonded back together using only heat and pressure.
CompositesAI helps users create and analyze composite products without requiring in-depth technical knowledge. The platform is initially focused on rotor blades for air mobility, helicopters, and wind turbines, but its uses will expand to handle other composite structures.
Researchers develop multifunctional aerogels combining thermal insulation, flame retardancy, and mechanical robustness using bio-based nanocellulose. The resulting aerogels exhibit low thermal conductivity, high flame resistance, and impressive strength and flexibility.
A minimal three-dimensional model successfully reproduced hallmark behaviors of tough composite materials, including mechanical hysteresis and sacrificial bond-driven toughening. The team discovered that optimal toughening occurs at a specific ratio of soft to hard components, governed by a universal scaling relationship.
Researchers at Texas A&M University have developed a smart plastic that can self-heal and adapt to extreme conditions, making it ideal for aerospace and automotive applications. The material's unique properties allow it to restore its shape after deformation, improve vehicle safety, and reduce environmental waste.
Scientists have developed high-performance textile fibers from invasive paper-mulberry bark using a simple, scalable route. The coated fibers exhibit excellent tensile strength and antimicrobial properties, outperforming traditional materials like cotton.
A UC Irvine-led team has developed a multispectral composite material with adjustable visible and infrared properties, inspired by the structures found in squid skin cells. The material can dynamically adjust its color and reflectivity in response to environmental or mechanical stimuli.
An AI model developed by Ehsan Ghane at the University of Gothenburg can predict the durability and strength of woven composite materials, reducing development time. The model integrates material laws to make extrapolations outside training data, enabling better understanding of material behavior.
Researchers at DTU developed a new electronic material that behaves like human skin, offering self-healing and adaptive properties. The material can stretch up to six times its original length, regulate heat, and detect environmental factors, making it suitable for wearable devices, soft robotics, and healthcare applications.
Engineers mimic natural shells' behavior by programming individual layers of synthetic material to collaborate under stress, expanding design space for nonlinear stress-strain responses. The new framework enables multistage responses that adapt to collision severity, improving wearable bandages and car bumpers.
A novel construction material FHPRC boasts excellent mechanical properties and is suitable for super-high-rise structures. The research optimizes tensile behavior by combining UHPC with high ductility and crack control capacity of engineered cementitious composite.
The University of Tennessee and Volkswagen Group of America have partnered on strategic research projects accelerating technology discovery and commercialization. The two have collaborated on lighter composites, high-power wireless charging and material upcycling, influencing Volkswagen brands globally.
Researchers at Zhejiang University developed a novel 3D-printed hydrogel that can easily switch its Young's modulus from kPa to GPa through on-demand crystallization. The hydrogel exhibits a hardness of 86.5 Shore D and a Young's modulus of 1.2 GPa, surpassing current 3D-printed hydrogels.
Dongguk University researchers have developed a hybrid anode material for lithium-ion batteries, demonstrating exceptional performance and cycling stability. The innovative composite combines reduced graphene oxide with nickel-iron layered double hydroxides, resulting in a high specific capacity of 1687.6 mA h g−1.
A research team at USTC has created a new strategy to prepare nacre-like ceramets using deformable alumina microspheres coated with nickel salt. The material exhibits excellent bending strength and fracture toughness, and can be mass-produced in various shapes through simple techniques.
Researchers develop sustainable passive cooling solution using mycelium-bound composites, outperforming conventional insulation materials in tropical climates. The 'fungi tiles' mimic an elephant's ability to regulate heat from its skin, improving cooling rates and thermal conductivity.
The study introduces a new way to apply cellulose nanocrystals, resulting in high-strength, reconfigurable, and mechanochromic hydrogels with improved mechanical properties and dynamic color-changing abilities. These materials have potential uses in sustainable bioplastics, flexible electronic substrates, and smart photonic devices.
New research at UC Santa Barbara illuminates a path to superior electro-optic performance in AlScN alloys by adjusting atomic structure and composition. The study found that precisely oriented layer structures and strain tuning can yield significant enhancements in electro-optic properties, potentially surpassing those of lithium niobate.
Researchers at Chuo University developed a non-destructive image sensor with a freely coatable and paintable design for functional photo-thermal modules. The new design enables the full utilization of photo-thermoelectric (PTE) sensors, overcoming trade-off trends between photo-absorptance values and Seebeck coefficients.
Researchers at Rice University have created a new 2D carbon material that is eight times tougher than graphene, according to a recent study. The material, known as monolayer amorphous carbon (MAC), incorporates both crystalline and amorphous regions, giving it unique toughness.
Ancient papermaking techniques have evolved to inspire the development of novel materials with exceptional properties. The principles of disassembly, refinement, and reassembly promote rapid dewatering and effective filtration, contributing to high productivity in sustainable materials production.
Researchers have made significant advancements in cellulose-based sutures, showcasing their potential as sustainable alternatives for wound closure and healing. The new materials demonstrate non-toxicity, biocompatibility, and mechanical strength, with nanocellulose showing particular promise due to its high strength and flexibility.
Researchers propose a novel strategy for highly controllable micro-nano fabrication using focal volume optics in transparent solids. The approach enables the creation of composite structures with finer structures and tunable properties, opening up new avenues for photonics and nanophotonics applications.
These materials integrate liquids within solid frameworks at the mesoscale, driven by competitive interfacial interactions. They demonstrate dynamic responsiveness leveraging force, heat, light, electricity, magnetism, and sound, and exhibit practical functionalities including anti-fouling and multiphase flow control.
Researchers developed novel 3D printed PLA-CaP scaffolds that support angiogenesis, reducing bone scarring and improving healing outcomes. In vitro tests showed stimulated vascular endothelial growth factor secretion and maintained calcium ion release, while in vivo testing demonstrated good integration and blood vessel infiltration.
Researchers have developed new approaches to enhance the processability of ultra-high molecular weight polyethylene, a strong and impact-resistant plastic. The methods, which include active site engineering, chain transfer agents, and blending with high-density polyethylene, can improve the material's properties without sacrificing its...
Researchers developed nanocomposites that effectively reduce noise and improve signal transmission for brain pacemakers. The materials use a combination of graphene and clay to absorb and disperse energy, reducing the impact of external electrical fields on patients.
Researchers have compiled a comprehensive review of SiCf/SiC composites, highlighting advancements in preparation processes, material properties, and performance under extreme conditions. The review emphasizes the need for further innovation in preparation processes to enhance the materials' long-term use in nuclear reactors.
Scientists at Queen Mary University of London have developed a new material that creates synthetic heart valves as effective as native ones. The innovative material, created by Dr Roberto Volpe, has anisotropic properties that mimic natural tissue and can be fine-tuned for rigidity and flexibility.