Articles tagged with Materials Testing
Researchers developed self-folding soft robots inspired by origami, using 3D-printed active hinges that can be programmed to fold at different temperatures. The Rollbot, a flat sheet that curls into a wheel and propels itself, demonstrates the method's capabilities.
Scientists have successfully generated terahertz waves by applying an electric current to a material with precisely chosen properties. The discovery paves the way for potential applications in data transmission and material penetration.
Researchers at Chalmers University of Technology have mapped how electronegativity and electron configuration change under pressure, enabling quick predictions about element behavior. The study reveals new possibilities for suggesting experiments to improve understanding of elements.
Researchers at the University of Wisconsin-Madison have discovered a new mechanism for bending metals that challenges previous understanding. By creating narrow bands with an amorphous configuration, they found that certain materials can bend without fracturing, potentially leading to stronger and more durable military vehicles.
A research team from Aalto University developed a novel strategy to create virus-based materials for catalysis. The new phthalocyanine derivative was synthesised and combined with tobacco mosaic virus, resulting in a highly ordered fibrous material that remains active despite being immobilised.
Researchers have designed plastic-based materials that can store natural gas more effectively, achieving a high deliverable gravimetric methane working capacity. The developed material, COP-150, has a total cost of only $1 USD per kilogram and can be produced using freely available plastic materials.
Researchers developed a calcium-based conservation treatment that enhances hydrophobicity, reduces cracking and improves surface adhesion on various building materials. The treatment, inspired by natural structures like bone and kidney stones, provides improved acid resistance and minimal color effect.
Scientists predict potential failure sites in disordered materials like cellular foams and fiber networks by analyzing network connections. They used geodesic edge betweenness centrality to identify the most critical edges and predicted failure locations with high accuracy.
Researchers at Siberian Federal University and Royal Institute of Technology discover palladium diselenide, a promising material for more efficient solar cells. The material can absorb solar energy more efficiently than silicon-based materials, increasing the efficiency of solar cells.
Researchers at James Cook University have successfully 3D printed fuel grains for hybrid rockets, testing six compounds including Acrylonitrile Butadiene Styrene (ABS), to optimize performance and safety.
Researchers observe novel phase of matter, excitonic insulator, in antimony nanoflakes, which could lead to breakthroughs in low-energy electronics. The findings provide a new strategy to search for excitonic insulators and potentially carry exotic superfluids.
SwRI's team will develop a more accurate and cost-effective model to predict failure and cracking in combat situations. The goal is to create tougher and safer vehicles for soldiers by improving the Army's daily modeling process.
Researchers successfully applied machine learning to discover innovative materials with desired properties from limited data. The study identifies thousands of promising virtual polymers with high thermal conductivity, outperforming typical polyimides.
A new material developed by the KIST-Stanford team exhibits high stretchability, high electrical conductivity, and self-healability. The material was tested as an interconnect and successfully transmitted biometric signals from a human body to a robotic arm, mimicking human movements in real-time.
Researchers used machine learning to design novel polymers with superior heat transfer properties. The method achieved outstanding prediction performance even with limited data sets, leading to the identification of promising 'virtual' polymers.
Researchers have discovered a new thermoelectric material that works efficiently at room temperature, requiring less expensive materials like magnesium. The material's production could close the performance gap with traditional bismuth-tellurium-based alloys, expanding the use of thermoelectric modules for cooling.
Researchers from UCLouvain have discovered a new material, LiTi2(PS4)3 or LTPS, which shows the highest lithium diffusion coefficient ever measured in a solid. This discovery is an important step towards developing all-solid-state batteries with improved performance.
Researchers created a 'polyCOF' material by adding polyethylene glycol to an existing COF structure, enabling the formation of flexible membranes. The resulting material allows for the creation of a paper doll with an artificial muscle that can perform sit-ups by expanding and contracting in response to ethanol vapors.
Researchers at the University of Oklahoma are developing novel expandable and programmable polymers that activate at high temperatures to strengthen wellbores. These smart materials will help reduce non-drilling time and improve drilling efficiency in geothermal wells.
Researchers discovered 2D perovskite materials with metal-like conductive edges and insulating cores, improving optoelectronic performance. The findings boost the potential of these materials for innovative solar cells and nanoelectronics.
Researchers have developed a novel material that can be controlled by green LED light and darkness, enabling the creation of temporary support scaffolds for 3D printing. The material has potential applications in manufacturing, recycling, and cell biology research, revolutionizing the field of dynamic materials.
Researchers at Paul Scherrer Institute successfully prove existence of Weyl fermions in a paramagnetic material with slow magnetic fluctuations, expanding possibilities for spintronics and future electronics. This discovery could lead to more efficient transportation of information, potentially revolutionizing computer technology.
Researchers have developed a technique that allows for real-time microscopic observation of materials under extreme heat and loading conditions. This breakthrough enables the study of material behavior in nuclear reactors and other extreme environments, with potential applications in developing new high-performance materials.
A new biomaterial, mycokarst, made from mushroom spores has been developed to repair and strengthen building materials in extreme conditions. The material was tested on karst formations and found to be highly durable, capable of withstanding loads of up to 40 MPa.
Osaka University researchers enhance thermoelectric material's power factor by over 100% by varying pressure, improving its ability to generate electricity from waste heat. The study reveals the Lifshitz transition plays a crucial role in thermoelectric properties.
Researchers at the University of Houston have developed a model to explain asymmetrical thermoelectric performance, enabling the prediction of promising new materials for converting waste heat to power. The discovery could lead to more efficient thermoelectric devices and potentially clean energy from waste heat.
Researchers at Swansea University have developed a new material capable of capturing carbon dioxide (CO2) using a common epoxy resin. The material shows high CO2 uptake and could potentially be used to capture CO2 from industrial flue gas streams or from the air.
Osaka University researchers link time-resolved microwave conductivity measurements to photocatalytic performance, enabling rapid screening of clean energy generating materials. This approach accelerates the development of hydrogen-producing materials, increasing efficiency and reducing processing time.
Researchers have developed a method to fabricate graphene membranes that overcome limitations in scaling up nanoporous graphene membranes. The new membranes show high water permeance and salt separation performance at previously unattainable scales due to the addition of carbon nanotube networks.
Scientists have identified a unique chiral coupling that allows spins in different magnetic layers to interact over long distances, even if they are not adjacent. This discovery opens up novel opportunities for engineering complex magnetic configurations to store and process data more efficiently.
Metal foam has been shown to effectively stop .50 caliber ball and armor-piercing rounds as well as conventional steel armor, achieving significant weight savings. The material's unique design allows for improved protection without adding substantial weight to vehicles.
A global view of lithium-ion battery failure is provided by an international team, offering a diagnostic method for particle utilization and fading. The study uses synchrotron X-ray methods to examine electrodes in batteries at unprecedented resolution, revealing the role of heterogeneity in battery behavior.
Researchers successfully introduced carbon atoms into tungsten disulfide, creating an ambipolar semiconductor with bipolar effect. The technique enables the production of new components for energy-efficient devices with improved conductivity and catalytic activity.
A team of geoscientists has discovered alternative raw materials that can replace limestone in cement production, significantly reducing greenhouse gas emissions. The new sustainable materials can be used to produce high-quality cements with the same beneficial properties as traditional cement.
A new material made from manganese hydride has been discovered, enabling the design of smaller, cheaper, and more efficient fuel tanks for hydrogen-powered vehicles. This breakthrough could lead to longer driving ranges and reduced production costs.
A study presents the results of clinical and nonclinical Metal Artifact Reduction Sequence (MARS) MRI protocols at 3 Tesla on different hip arthroplasty implants. The findings show that only a minimal risk of thermal injury occurs with these protocols, especially when considering perfusion effects.
Scientists at PSI investigate a novel material exhibiting electronic properties never seen before, including Rarita-Schwinger fermions and quadruple topological Fermi arcs. The crystal is a chiral topological semimetal with exotic physical phenomena, such as phase transitions at its surface.
Researchers created a next-generation space blanket that regulates body temperature using metal 'islands' similar to cephalopod skin, allowing infrared radiation to escape when stretched. The material is ultra-lightweight, durable, and has potential applications in clothing and building insulation.
Researchers at Linköping University discover that water induces traps in organic semiconductors, reducing conductivity. Drying out the material improves performance, but reabsorption occurs if not done properly.
Engineers used network science to map atomic forces onto a complex graph, simulating macroscopic material behavior. The method simplifies the graph, allowing researchers to replicate the process with other materials.
Engineers at University of Wisconsin-Madison have revealed new insights about the chemical reactions that power fuel cells, shedding light on their degradation issues. The study found that the rate-limiting step in fuel cell efficiency is not oxygen splitting, but rather how oxygen atoms find and enter vacancies at the surface.
A team of MU researchers used deep learning to predict material structures and their properties in graphene, a strong material. The study enables the design of new materials with specific properties, such as LEDs, touch screens, smartphones, and solar cells.
Teng Zhang's NSF CAREER Award will support his research on interface mechanics in soft materials, aiming to develop better materials for wound healing, biological joint diagnosis, and underwater adhesives. The award also enables educational outreach and the integration of modeling simulation tools into Syracuse University's curriculum.
A new class of branched single chain surfactant has been reported to improve oil recovery by 72% in both low and high brine solutions. This efficient surfactant reduces surface and interfacial tension, enabling effective wettability alteration and aggregation structure maintenance under extreme conditions.
Scientists create novel polymeric material with fullerenes, boosting power conversion efficiency of organic solar cells by three-fold. The new interlayer material improves device stability and electrode performance, overcoming intrinsic problems related to combining hard and soft materials.
Researchers at North Carolina State University have developed a material that can change its color by manipulating the orientation of nanostructured columns in response to a magnetic field, mimicking the flashing colors of neon tetras.
Researchers at Swansea University are working on developing new products using micro and nano materials, including high-performance clothing for elite British athletes. The project aims to bridge the gap between concept and production, with a focus on market requirements.
A £2.4 million engineering research facility will test new materials within full-scale structures such as tidal blades, plane components, and bridge sections.
Researchers at Ohio State University have found a new material that can serve dual roles in electronics, simplifying the use of electrons and holes. This discovery could lead to more efficient electronic devices, such as solar cells, light-emitting diodes, and transistors.
Carbon nanolattice materials exhibit unparalleled mechanical properties due to the high aspect ratio of their beams and defects sensitivity reduction.
The team developed a transparent, waterproof, and conductive material that can repair itself in both air and water environments. This innovation has the potential to reduce electronic waste by enabling devices to perform self-repair functions.
A new laser technique has been validated for removing non-stick and anticorrosive coatings made of fluoropolymers from industrial products. The method uses a Nd:YAG industrial laser and has shown effective results in recovering the material.
Researchers at Saarland University have developed a nanocoated metal foam process that strengthens lattice structures, producing lightweight yet extremely stable materials. These foams exhibit excellent shock-absorbing properties and can be used in various applications, including catalysis, heat shielding, and architectural designs.
Scientists at the University of Basel create a three-layer superlattice using graphene and boron nitride, producing new electronic material properties.
Researchers discovered that graphene-like materials stack together in a way that changes their properties, creating novel hybrid materials. The twist angle controls the hybridization, enabling precise control over composite materials and nano-devices.
Researchers from University of Tokyo discover magnetic spin Hall effect in non-collinear antiferromagnet Mn3Sn, enabling efficient spin current transfer. This could lead to high-speed and high-capacity devices with improved power efficiency.
Researchers from the University of Luxembourg have demonstrated a comprehensive understanding of neutron scattering techniques for analyzing magnetic materials. The study focuses on analysis techniques for superconductors, permanent magnets, shape-memory alloys, ferrofluids and other magnetic materials.
The study identifies tetrahedral nature as the local ordering of atoms in liquids, explaining the first sharp diffraction peak (FSDP) feature. The findings provide direct evidence of coexisting order and disorder in tetrahedral liquids, leading to improved understanding of their properties.
North Carolina State University researchers created fibers that combine rubber's elasticity with metal's strength, resulting in a tougher material. The fibers can stretch up to seven times their original length before failure while absorbing energy, making them suitable for applications like soft robotics and textiles.
Emerging research on topological structures and their potential applications in nanotechnology and nanoelectronics is reviewed in Nature Materials. Topological defects, such as domain walls, can exhibit intrinsic properties and significantly affect material properties.