Articles tagged with Composite Materials
Researchers have developed a new material for clothing that can cool people down without external energy needed, using a nanocomposite thread made from boron nitride and polyvinyl alcohol. The fabric is more efficient at moving heat away from the body than pure polyvinyl alcohol or cotton fabrics.
Researchers discovered a new route to ultra-low-power transistors using graphene-based composite materials, achieving fine electrical control over the electron's spin. The discovery has the potential to lead to much-needed low-energy consumption electronics.
Researchers at the University of Houston have developed a new form of stretchable electronics that can serve as an artificial skin, allowing a robotic hand to sense temperature differences. The breakthrough enables the creation of biomedical devices such as health monitors and medical implants with improved functionality.
Researchers at the Max Planck Institute found a unique state of matter in CeRhIn5, a superconducting crystal, where electrons unite to flow in the same direction. This 'electronic nematicity' state is a rare phenomenon between liquid and crystal, and its relationship with superconductivity is still being explored.
A new composite material made from a combination of polymers and hexagonal boron nitride nanosheets has been developed by Penn State researchers. This material can store energy at operating temperatures above 176 degrees Fahrenheit, outperforming current commercial polymers.
Kenneth Reifsnider, a renowned expert on composite materials, has been honored with the lifetime achievement award from ICCES. His groundbreaking research and innovations have significantly impacted the field of composites mechanics, technology, and life prediction.
A novel composite material developed by Swansea scientists effectively removes dye pollutants from water, adsorbing over 90% of the dye. The material breaks down the dye using visible light and can be reused after filtering, providing a promising solution to environmental harm.
Researchers at Berkeley Lab have discovered a new type of semiconductor that can emit multiple bright colors from a single nanowire, challenging traditional quantum dot displays. The 'soft' semiconductors use ionic bonds instead of covalent bonds, making them easier to reconfigure and produce.
Heterostructural alloys combine materials with different structures to control behavior, providing an additional degree of control. The study focuses on semiconductor applications, creating metastable phases that can be used in solar cells and other devices.
Researchers at UC Davis have successfully grown lab-grown tissue similar to natural cartilage, demonstrating its potential to treat joint disease. The new material exhibits similar composition and mechanical properties as native cartilage, showing great promise for implantation into damaged joints.
Researchers at the University of Liverpool have developed a computer-guided strategy that led to the discovery of two new materials in the laboratory. The algorithm uses chemical understanding of known materials to suggest new combinations of atoms, resulting in stable and synthesizable materials.
Researchers at Columbia University have developed a new technique to create superstrong, flexible polymers inspired by the nacre of oyster shells. The method uses controlled self-assembly of nanoparticles in a polymer matrix to improve mechanical properties.
Researchers from Lomonosov Moscow State University develop new equations to conduct XRF analysis with higher accuracy, reducing the need for reference materials and enabling analysis of complex composition samples. The method uses internal standardization and computations to compensate experimental factors and operate in wider ranges.
Researchers at MIT developed a composite material inspired by conch shells, showing 85% better crack propagation prevention than traditional materials. The 3-tiered structure combines strength and toughness, allowing for individualized, personalized helmets and body armor.
EPFL scientists have developed a mathematical method using persistent homology to quantify similarity of pore structures in nanoporous materials. This allows searching databases for similar pore shapes and discovering new materials with optimal performance.
Researchers developed a bimodal AFM approach to probe materials in three dimensions simultaneously, providing new insights into surface morphology and chemical reactions. The technique enables the measurement of forces in X, Y, and Z directions on the subatomic scale.
MIT researchers found a way to reduce loops in polymer networks, which weaken materials, by slowly adding components. This technique can improve material strength by up to 600 percent.
Researchers have developed a new 3D printing method that allows for the creation of objects with permanent shape-shifting capabilities. The method uses shape memory polymers and can achieve significant time and material savings.
A research team introduced a new approach to simplify and increase the potential of 4D printing, which allows high-resolution components to be designed, printed, and transformed into new permanent configurations using heat. This method saves time and materials by up to 90% and completely eliminates the mechanical programming process.
Researchers developed a new technology using nanopowders to modify aluminum alloys, improving operational properties and reducing energy costs. The innovative method has the potential to transform the metallurgy industry, with key customers including major producers of primary aluminum.
Scientists have found a material that undergoes an unexpected phase transition when heated to 450 degrees Celsius, transforming into one-dimensional nanowires with potential for next-generation electronic devices. The discovery could lead to powerful energy-efficient devices and smaller transistor sizes.
Researchers develop technology to produce special nanopowders used as modifying additives in aluminum alloy production. The new method improves operational properties and reduces energy costs, targeting metallurgy and machinery industries.
Researchers have created a nanoscale damage-sensing probe that can be embedded into lightweight composites made of epoxy and silk. The probe uses a dye that changes color in response to applied force, allowing for the detection of even minor breaks and fissures within the composite material.
Graphene, a carbon material one atom thick, has been made more commercially viable thanks to the humble soybean. The novel GraphAir technology eliminates the need for high-controlled environments and expensive equipment, reducing production time and cost.
Nagoya University researchers have developed a new class of composite materials with negative thermal expansion, offering potential solutions for industrial applications. The reduced ruthenate ceramic material shrinks by up to 6.7% when heated, making it more than double the current record-holding material.
Scientists at Lomonosov Moscow State University have developed polymer matrices capable of replacing aluminum and titanium in aircraft parts. The new materials possess higher strength than metals, decreasing the mass of aircraft parts that operate at high temperatures.
Scientists developed a bioinspired adhesive material that can be controlled remotely by UV light, transporting micro-objects with high precision. The material consists of mushroom-shaped adhesive microstructures and elastic porous material, allowing for reversible control and detachment.
A team of researchers at Ohio State University has developed a device that converts waste heat into electricity, producing a voltage output 10 times higher than previous results. The innovation uses a composite material of nickel and platinum to amplify the voltage output through magnetism.
Researchers developed bio-signal measuring electrodes that can be mounted on IoT devices, allowing for easy health diagnosis without additional equipment. The electrodes can measure brain waves, electrocardiograms, and other biological signals, and are expected to be applicable to medical fields.
Researchers at UMass Amherst developed polymer-stabilized droplet carriers that can recognize and encapsulate nanoparticles for transport in a cell. These 'nanoparticle taxicabs' pick up particles on one surface and drop them off on another, representing the first successful translation of biological processes in materials science.
Researchers are working on a $1.6 million project to create a new use for coal, turning it into a carbon-fiber material that could help revitalize struggling coal communities. The process produces substantially less CO2 than traditional methods.
Researchers at MIT have created tiny, star-shaped structures that shrink in size when heated to 540 degrees Fahrenheit. The structures, made from interconnected beams with different thermal expansion coefficients, exhibit negative thermal expansion and may enable applications in heat-resistant circuit boards.
Ames Laboratory scientists investigated the properties of iron-based superconducting materials, finding that transition temperature and magnetic field penetration depth depend on composition and disorder. The study provides new knowledge on unconventional superconductivity and will aid in discovering high-temperature superconductors.
The novel 'Rheo-Raman' microscope allows for interconnected studies of soft materials by correlating their microstructure, composition, and flow behavior. This enables the understanding of how structural make-up dictates macroscopic properties like strength, hardness, or electrical conductivity.
Recent perovskite research by Ames Laboratory scientist Javier Vela reveals enhanced thermal and moisture stability, as well as tunable light absorption, in mixed-halide perovskites. This breakthrough may lead to more efficient solar cells and LEDs.
Researchers develop a simple, single-component fluorescence system that glows in response to microscopic damage, allowing for early detection. The method works for various materials and types of damage, including small cuts, and could reduce inspection costs.
Researchers at MIT develop a method to stack hundreds of nanoscale layers, producing strong and conductive composites. The technique, inspired by pastry-making, enables the creation of materials with tailored properties for various applications.
The University of Texas at Arlington has received a Navy grant to develop new methods for testing composite materials used in aircraft parts. The project aims to predict defect formation and improve manufacturing processes, reducing costs and enhancing safety.
The study characterizes the materials used to build the galleries and analyzes their deterioration, providing valuable insights for future reconstruction decisions. The main components of mortars include calcite and gypsum, with alite and belite also detected in clinker-based Portland cement.
The sunshield consists of five layers of Kapton material, each coated with aluminum and doped-silicon for optimal thermal insulation. The unique kite-like shape and precise layer separation direct heat away from the optics, allowing the telescope to reach required temperatures.
A Northwestern University research team has developed a tool to rapidly test millions of nanoparticles at once, similar to gene chips in biology. The combinatorial library approach enables scientists to quickly identify the best nanoparticle size and composition for various applications.
Researchers discovered two unique structures for gold nanocluster Au144(SR)60, a previously known material, using advanced data analytics. This finding suggests the existence of polymorphic nanoparticles with different properties.
Researchers develop novel herringbone structure in dactyl club, enabling incredible damage to prey while resisting fracture. The unique structure is composed of crystalline calcium phosphate and chitin fibers, offering a new pathway to create ultra-strong composite materials.
Researchers at the University of Manchester have developed a composite material that combines graphene with natural rubber and polyurethane, resulting in increased strength and elasticity by up to 50%. The added graphene enhances the materials' ability to stretch and withstand force without breaking.
UNIST partners with Fraunhofer ICT to develop composite materials for eco-friendly vehicles. The new project center will focus on full industrial-scale trials and take UNIST to the forefront of automotive innovation.
A team of researchers led by Chris Pantelides developed a new process to repair earthquake-damaged bridge columns in just a few days. The process uses concrete donuts lined with composite fiber material and can be used on not only bridges but also damaged columns around buildings.
Professor Philippe Dubois has been awarded an FNR PEARL Chair to develop new sustainable composite materials from renewable resources. His goal is to replace fossil carbon with bio-composites, targeting applications in automotive and aerospace sectors.
UTARI researcher Endel Iarve will lead a three-year project to predict the strength and life of rotor blade assemblies using discrete damage modeling. The goal is to extend advanced computational techniques to larger aircraft structures, improving life prediction in rotorcraft structures.
Researchers at North Carolina State University have developed a novel light-weight composite metal foam that effectively insulates against high heat. The finding has significant implications for storing and transporting nuclear material, hazardous materials, explosives, and other heat-sensitive materials.
A team of scientists has created a composite material that can selectively separate oxygen from other gases, potentially revolutionizing energy applications such as fuel cells. The new material, made by combining a MOF with a helper molecule, shows promise for being inexpensive, reusable, and easy to prepare.
Researchers have found that adding carbon nanotubes to aluminum can slow down the breakdown process caused by radiation exposure, allowing it to last longer. The new material has been shown to retain its strength and resilience even after prolonged irradiation, with reduced embrittlement and pores.
The composite material emits light and heat when exposed to specific wavelengths of radiation and can be customized to have specific mechanical characteristics. It holds promise for biomedical imaging, drug delivery, and therapeutic treatments.
Scientists at MSU have created a new cathode material for Li-ion batteries that can enhance charge rates drastically. The material demonstrated high charge/discharge rates while retaining over 75% of initial capacity, making it a promising contender for commercialized high-power cathode materials.
Researchers at UEF have developed a new synthesis method for Li-ion batteries, which uses readily available materials, is safe to dispose of, and has significantly longer cycle lifetimes. The new method solves the low electric conductivity problem, promising applications in fast-charging electric buses and high-power hybrid vehicles.
A multidisciplinary team at Cornell has created a three-dimensional gyroidal superconductor made of niobium nitride, which could lead to novel property profiles and transition temperatures. The breakthrough was achieved using organic block copolymers and involves heating, cooling, and reheating the material.
Researchers developed lipoprotein nanoplatelets with unique properties, rapidly taken up by cells and retaining fluorescence. These particles may enable single-molecule imaging and track metastatic cancer cells, revealing new insights into biological systems.
Researchers have developed a new nondestructive technique to study phase transitions at the nanoscale, revealing insights into ferroelectric materials. This approach uses acoustic response to detect changes in material behavior and can guide efforts to design next-generation materials with enhanced properties.
Researchers extend catalogue of material properties with first liquid measurements under extreme conditions. The study suggests that only about 1.2% of the core is carbon, with other light elements present.
A team of ETH Zurich researchers has created a biomimetic dental prosthesis that replicates the structure and properties of teeth and seashells. The material, produced using magnetically assisted slip casting, exhibits improved durability and complexity, with potential applications in dentistry and beyond.
Researchers at Harvard's John A. Paulson School of Engineering and Applied Sciences have created a new multimaterial printhead that enables the simultaneous control of composition and geometry during printing, paving the way for entirely 3D-printed wearable devices, soft robots, and electronics.