Articles tagged with Composite Materials
A research team from Aarhus University has found a method to recycle polyurethane foam into its original components, polyol and isocyanate. The new process recovers up to 82 weight percent of the material, making it possible to reuse them as raw materials in new PUR products.
Researchers at Singapore University of Technology and Design have developed a novel approach to metalworking using chitinous colloids and composites. By leveraging the affinity between chitin and metals, they created functional metallic structures without high temperatures or pressures.
Researchers developed a technique that leverages component-based reduced order modeling to analyze composite laminates. The 'Lego-like' construction method offers improved speed and accuracy, making it a viable alternative to traditional finite-element analysis.
A UVA research team introduces a game-changing additive to 3D-printed concrete, enhancing its printability and mechanical properties. The study demonstrates the potential for more resilient and eco-friendly construction practices using cellulose nanofibrils.
Researchers at Ben-Gurion University's PAI Lab developed groundbreaking multifunctional material-sensors that emulate natural systems, advancing Physical AI. The sensors can process diverse signals concurrently through ions and electrons, enabling versatile and lifelike interactions in fields like robotics and healthcare.
Scientists at King Abdullah University of Science and Technology developed a tiny 'claw machine' that can pick up and drop a marble-sized ball in response to exposure to chemical vapors. The material's properties can be precisely controlled, making it easy to customize.
Boris Yakobson aims to transform the future of advanced materials through Rice University research. His projects focus on developing predictive synthesis models and automating the search for new materials, with applications in energy and electronics.
Researchers from Shinshu University have created a novel composite material with exceptional capabilities for motion and physiological sensing. The new sensor design showed significant performance and stability improvements, enabling practical use in wearable applications.
The research develops composite microspheres with a hollow structure, enhancing microwave absorption performance and stability in extreme environments. The results show that SiC/C composite materials demonstrate outstanding wave absorption and radar stealth performance, unaffected by temperature and environmental conditions.
Researchers found that mycelium composites, made from fungi and agricultural residues, can have a greater environmental impact than conventional fossil-fuel-based materials in countries like South Africa. The technology's overall potential damage on the environment can be mitigated by incorporating alternative energy sources.
A new study from China reveals a novel strategy for enhancing the strength-ductility synergy of particle-reinforced aluminum matrix composites. The approach involves regulating the heterostructure of the matrix grain and particle distribution to achieve a balance between strength and ductility.
Researchers developed a groundbreaking data-driven model to predict dehydrogenation barriers of magnesium hydride, a promising material for solid-state hydrogen storage. The model offers a faster, more efficient way to assess the performance of hydrogen storage materials, bridging the knowledge gap left by experimental techniques.
A Binghamton University professor investigates the adaptive response of fire ant rafts to mechanical load, discovering that they exhibit catch bond behavior under force, which enhances cohesion for survival. This phenomenon is being explored to develop artificial materials with autonomous self-strengthening properties.
A team of Tohoku University researchers developed an environmentally friendly composite material from washi, showcasing improved strength and biodegradability. The new material boasts a tensile strength over 60% higher than pure PBS, making it suitable for sustainable applications.
Researchers have developed a theoretical equation to predict the average buckling strength of shells with geometric imperfections. The model, which considers shapes and distribution of imperfections, offers promise for creating lightweight and sustainable structures while ensuring structural reliability.
Researchers at RMIT University have developed a new silicone rubber composite material that can prevent fires and electrical sparking on power poles. This innovation could save power companies time and resources by reducing damage to assets.
Researchers use carbon nanotubes to prevent cracking in multilayered composites, improving resistance by up to 60%. This innovation could lead to safer and more durable aircraft with advanced composite materials.
Researchers from the Institute for Basic Science created QLEDs using a ternary nanocomposite film that enhances carrier delivery to quantum dots, resulting in optimal device performance. The devices exhibit high brightness and low threshold voltage, with no damage when stretched up to 1.5 times.
Researchers have developed a biodegradable chitosan-based composite film reinforced with lignin-rich nanofibers extracted from rice husks, reducing waste and promoting circular economy practices. The material showcases improved strength, durability, and unique properties like UV-blocking capabilities.
A new composite glass material has been developed by combining a nacre-inspired structure with shear stiffening gel, exhibiting excellent thermal insulation and impact resistance. The material offers improved transparency, lightweight properties, and enhanced comprehensive performance compared to traditional bulk glass.
Nontraditional energy-assisted mechanical machining uses vibration, laser, electricity, etc. to improve machinability and reduce process forces in processing difficult-to-cut materials and components. The technology provides a feasible way to enhance material removal rate and surface quality.
Researchers created complex 3D structures that mimic bone microstructure using laser 3D printing and an alternate soaking process. The method supports the creation of bone grafts or artificial bone marrow, offering a potential solution to treating leukemia, lymphoma, and immune diseases.
Researchers at Oak Ridge National Laboratory have developed a closed-loop recycling technology for synthesizing and recovering exceptionally tough carbon-fiber-reinforced polymers. The innovative approach enables full recovery of starting materials, accelerating the development of sustainable lightweight materials.
The electrospinning and electrospraying synergism (ESS) technology has the potential to revolutionize various sectors such as bioengineering, textile technology, medical treatment, and energy conversion. By combining these two twin-tech methods, researchers can create complex structures with unique properties.
Researchers have made significant advancements in silicon-based anode materials for lithium-ion batteries, including the development of binders, composites, and electrolytes. However, Si-based anodes still face challenges such as volume expansion, lower electrical conductivity, and inconsistent kinetics reaction.
Scientists create a mixture of sticky and non-sticky grains to achieve stronger, tougher materials that can deform without cracking. The optimal ratio of sticky grains is found to be around 60%, which balances strength and toughness, making it ideal for designing composite materials with functional properties.
Researchers at NIMS and L'Oréal K.K. create a new hairstyling agent that resists humidity, using hydrogen bonding between PVA and cellulose microcrystals to maintain hair shape in high humidity conditions.
A new composite material, engineered using computer algorithms and 3D printing, can change its behavior in response to temperature changes. The material is designed to perform specific tasks depending on the environment, enabling future generations of autonomous robotics.
A team of researchers has developed a novel experimental system to simultaneously measure the mechanical properties and internal structure of rubber-like materials. The study found that strain within these materials is non-uniform, depending on the shape and size of composite particles.
Researchers will investigate high-entropy materials to create more sustainable and durable catalysts. The goal is to improve the efficiency of electrocatalysis, paving the way for a new generation of catalysts and reducing the reliance on rare and expensive materials.
Researchers developed a new method that allows designing 3D-printed metal parts with varying strength levels, electrical conductivity, or corrosion resistance. The technique uses 3D-printing steps and can reduce manufacturing costs.
A novel strategy utilizing phosphorus nanolayers mitigates electrode-level heterogeneity in fast-charging lithium-ion batteries. The graphite-phosphorus composite exhibits consistent cycle retention, high Coulombic efficiency, and improved lithiation uniformity.
Researchers propose analysis protocol to evaluate feasibility of silicon-containing batteries with reduced particle size and uniform dispersion. The study finds promising results from innovative synthesis technology and initial efficiencies exceeding 90% with improved lifespan characteristics.
Researchers at Chalmers University of Technology developed 3D-printed plasmonic plastic, enabling the mass production of optical sensors that can detect hydrogen gas. The composite material has unique optical properties, allowing it to filter out molecules except hydrogen, making it ideal for various applications.
Researchers developed a self-decontaminating fabric that kills coronaviruses in under 5 seconds using Joule heating. The material can handle hundreds of uses with minimal waste, transforming the way personal protective equipment is made and used.
Researchers from Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed a fully recyclable, flame-retardant epoxy resin-based plastic. The new material retains excellent thermomechanical properties while being reshaped like a thermoplast due to the addition of a special phosphonate ester molecule.
Researchers created a nanocomposite of hexagonal and cubic boron nitride, which exhibits unexpected thermal and optical properties. The composite's low thermal conductivity makes it suitable for heat-insulating electronic devices, while its second-harmonic generation property is larger than expected after heating.
Dr. Amir Asadi's team embeds patterned nanostructures into high-performance composites to achieve multifunctionality and structural integrity simultaneously. This approach offers a practical and scalable method for creating nanostructured materials with tunable properties, revolutionizing the manufacturing of high-performance composites.
Researchers developed super flexible composite semiconductors using inkjet printing, outperforming previous studies with up to 40% polymer addition. The material maintains electronic transport properties while achieving high flexibility and foldability.
A new recycling method for carbon and glass fibre composites has been developed by researchers at the University of Sydney, which can reduce energy use by 70% and preserve mechanical properties. The approach ensures increased material recovery and improved energy efficiency compared to previous methods.
Scientists at The Chinese University of Hong Kong have developed an edible, transparent, and biodegradable material for food packaging using bacterial cellulose. The material has high tensile strength, versatility, and can be produced through microbial fermentation, making it a sustainable alternative to traditional plastics.
AnalySwift will develop DATC, a design tool for engineers to analyze lightweight structures made from advanced tailorable composites. The tool aims to improve NASA's capabilities in designing and analyzing aerospace structures, reducing the need for costly physical experiments.
Scientists at Yokohama National University created ceramic eutectic composites through CVD, demonstrating the generation of spatially ordered patterns. The process allows for doped luminescent centers, enabling environmental-resistant LED lighting and high-resolution X-ray imaging.
Scientists review preparation techniques for copper matrix composites with ceramic particles, enhancing mechanical properties and thermal conductivity. The study highlights the importance of particle characterization, interfacial bonding, and advanced preparation methods to optimize composite performance.
Adding up to 20% soft rubber spheres improves packings' effective stiffness, while exceeding 30% reduces it. This behavior is explained by the length of force chains and coordination numbers of glass particles.
Researchers at USTC developed a high-performance cellulose-based nanopaper with excellent mechanical and electrical insulating properties under extreme conditions. The material exhibits high tensile strength, toughness, and electric breakdown strength, making it suitable for protecting equipment in harsh environments.
A new composite material made of ultra-tiny silicon nanoparticles and an organic element can convert lower-energy light into higher-energy light, enabling the formation of free radicals to attack cancer tissue. The material has potential applications in boosting solar panel efficiency and improving bioimaging technologies.
Researchers from UT Austin created a new composite material that efficiently converts low energy light to higher energy, with applications in bioimaging, solar panels, and night vision goggles. The breakthrough could reduce the size of solar panels by 30% and enable systems for autonomous vehicles and fog detection.
Researchers at UCR created quantum composites that exhibit functionality at a wide range of temperatures, offering potential applications in electronics, energy storage, and reflective coatings. The materials showed an unusually high ability to store electricity, with increased dielectric constant values.
Researchers at RIKEN have created a composite material that can channel mechanical energy in one direction but not the other, allowing for efficient use of random vibrations. This property is essential for various biological functions and has potential applications in electronics, photonics, magnetism, and sound.
Researchers at the University of Bath have successfully created antimicrobial ferroelectric composite materials using a novel 3D printing process. These materials can eradicate E coli bacteria within 15 minutes, with potential applications in heart valves, stents, and bone implants.
Researchers at KTH Royal Institute of Technology developed a thermal wood composite using coconuts and lemons that can store both heat and cold. The material, which is transparent and energy-saving, can regulate temperatures around 24C, reducing energy consumption for heating and cooling.
Scientists at Oak Ridge National Laboratory developed an eco-friendly alternative to rigid foam boards, made without harmful blowing agents, using hollow glass spheres and expandable polymer microspheres. The new material offers improved thermal performance and is adoptable by industry, opening avenues for safer composite foams.
Researchers review numerical simulations for ultra-precision diamond cutting, exploring properties and microstructures of workpiece materials and their impact on the cutting process. The study provides guidelines for numerical simulations to predict machining responses for various materials.
Researchers create FMHE with tunable conductivity and stiffness, enabling compensation for robotic manipulators' positional errors. The material's deformation can reset current-liming fuse in case of overload.
EPFL researchers have created a 3D printing ink containing calcium carbonate-producing bacteria that produces bone-like composites. The resulting bio-composite is exceptionally strong, light, and environmentally friendly. This innovation has potential applications in art restoration, coral reef regeneration, and biomedical fields.
Scientists at Rice University have developed a new technique using the 'flash Joule' method to transform plastic waste into high-value carbon nanotubes and hybrid nanomaterials. This process is more energy-efficient and environmentally friendly than traditional methods, making it a promising solution for recycling plastic waste.
Researchers at the University of Missouri have designed a soft and breathable material that can be worn on the skin without causing discomfort. The material, made from liquid-metal elastomer composite, has integrated antibacterial and antiviral properties to prevent the formation of harmful pathogens.
A new injectable hydrogel has been developed to rapidly stop bleeding from traumatic wounds. The material becomes solid when injected into the body and can be easily washed away with a cold saline solution.
Dresden researchers have identified textile-technological and physico-chemical methods to improve fiber-matrix interaction at different temperatures. These modifications aim to enhance load transfer between carbon fibers and cement-based matrices.