Articles tagged with Materials Testing
Engineers at Northwestern University have developed a new technique using kirigami cuts to create complex 3D structures and nanoscale tools. The technique, inspired by traditional Japanese paper-folding practices, enables the creation of unusual shapes and functions.
Researchers tested mask materials' effectiveness in blocking droplets carrying coronavirus. While masks blocked most droplets, distances under 6 feet still allowed many to escape, posing a risk of illness. Masks can offer protection but not complete protection when combined with distancing.
A research team in South Korea developed a self-healing colorless polyimide material that can repair cracks and damaged functions without high-temperature heat. The material, created by mixing linseed oil-loaded microcapsules with silicone, offers advantages such as accelerated healing process and local damage repair at room temperature.
Researchers found a non-destructive way to analyze bitumen in Ancient Egyptian embalming materials, providing insights into its origin and processing. The method revealed that a mummy in a French museum could have been partially restored with pure bitumen.
A new study from the UBC Sauder School of Business finds that crowdfunding activates an interdependent mindset in consumers, making them more responsive to social good options. Researchers conducted experiments where participants were offered products with different benefits, including social good and performance benefits.
Researchers at Penn State have created multilayered quantum anomalous Hall (QAH) insulators, enabling the realization of the QAH effect over a broader range of conditions. This allows for the construction of high-speed electronic highways with minimal energy loss, which could significantly improve information transfer speed.
A UVA-led team has been awarded $600,000 to develop a new coating that will enable a niobium alloy to perform at 1800°C. The HERO coating aims to increase the materials' temperature tolerance by 200 degrees Celsius, addressing a critical challenge in turbine engine technology.
NIST researchers use atomic force microscopy with a nanocylinder tip to measure polymer curing rates and diffusion in 3D printing. The study reveals that controlling light exposure conditions is crucial to uniform part production.
Researchers at Northwestern University have developed a soft robotic material that can walk at human speed, pick up cargo, and transport it to a new location. The material is activated by light and responds to external magnetic fields, making it ideal for use in aquatic environments.
Researchers from the University of Exeter have developed a new theoretical approach to force light to travel through electromagnetic materials without reflection. This discovery could pave the way for more efficient communications and wireless technology.
Thermoelectric materials work by exploiting heat flow, providing emission-free energy. New materials are needed to improve cooling efficiency and control, expanding the existing market.
Researchers report a 50-year review of nature's contributions to human societies, revealing an imbalance between agricultural growth and declining regulatory ecosystem services. The study highlights the need for adaptations and substitutes, but notes they come at a cost.
Researchers at Tokyo Medical and Dental University have developed a cross-linker for dental cement that breaks down under UV light, making treatments easier to reverse. This breakthrough enables non-permanent adhesion to the tooth surface without damaging enamel.
Researchers Marco Fielder and Arun Nair found that water and mineral content variations significantly impact collagen fibril behavior, leading to bio-composites with improved mechanical stability. Composites with 40% mineralization were twice as strong as those without minerals, regardless of water content.
Researchers at Dartmouth College have discovered a class of molecular materials that can be used to make temporary adhesives that don't require force for removal. These non-permanent glues offer expanded design strategies for bonding surfaces together and can lead to new manufacturing techniques and pharmaceutical design.
Researchers have developed a self-repairing gelatin-based film that can mend cracks in minutes and preserve electrical functionality. The film, which incorporates glucose, can be used to enhance the durability of touchscreen and flexible display devices.
Researchers at Lancaster University have discovered a crystalline material that can capture and store solar energy for several months at room temperature. The energy is released on demand as heat, providing a promising solution for renewable heating systems and environmentally-friendly applications.
Princeton University researchers have developed a new method to design and control complex mixtures with multiple phases, mimicking the arrangement of Russian matryoshka dolls. This approach uses graph theory to predict final arrangements of phases in a mixture when surface energies are known.
Researchers have discovered a class of flexible molecular sieves that can selectively separate gases, such as propylene from propane. This breakthrough has the potential to improve the efficiency of gas purification processes in the manufacture of high-quality plastics.
Researchers at RIKEN develop a material that can change from soft to hard and back again in response to temperature changes, mimicking the properties of sea cucumbers. The material's structure is manipulated using electrostatic repulsion and gold nanoparticles, enabling rapid and reversible shape shifts.
Researchers from the University of the Basque Country found that pyroclastic materials protecting Pompeii paintings also cause damage when exposed to air and humidity. The study identified fluorine ions in the salts responsible for damage, suggesting a link between volcanic origin and salt crystallization.
Researchers at CCNY have overcome barriers for bio-inspired solar energy harvesting materials by using small cross-linking molecules to stabilize supra-molecular assemblies. This breakthrough could transform sustainable solar energy technologies and improve their efficiency.
Researchers used materials informatics to develop new TADF materials, increasing efficiency by 20-40% and lifetimes up to 10 times longer. Co-Host technology improved electric charge balance, expanding recombination sites and enhancing colors for full-color displays.
Researchers have created a magnetic switch that requires less energy to alter its orientation, a potential breakthrough in storing data in personal electronics. The new technology uses voltage instead of current to reorient magnetic materials, resulting in significant energy savings.
A team of scientists from Tokyo Institute of Technology devised a strategy to automate the novel material development process using robotics and artificial intelligence. The CASH setup enables fully autonomous materials research, making it possible to test and optimize new compounds at an unprecedented scale.
Researchers developed a high-throughput approach to analyze interactions between materials and viruslike particles, identifying competitive adsorbents of Lassa and Rubella viruses. The study aims to expand to SARS-CoV-2 and evaluate viral infectious lifetime on the materials.
Researchers at Penn State discovered that biochars made from cotton gin waste and guayule bagasse can adsorb pharmaceutical compounds, including sulfapyridine, docusate, and erythromycin. The study found that temperature increases during the pyrolysis process enhanced the biochar's capacity to adsorb contaminants.
Researchers have successfully developed a new class of hybrid glass materials that combine the properties of organometallic networks with those of conventional glasses. These materials exhibit improved mechanical properties, such as impact and fracture toughness, and can be tailored for specific applications.
Researchers from Imperial College London and their colleagues have discovered new green materials that can convert indoor light into energy, potentially powering smart devices without toxic chemicals. The materials, inspired by perovskites, show promise for commercial applications and could enable battery-free wearables and IoT devices.
A research team at Pohang University of Science & Technology developed a technique for predicting the phase and properties of high-entropy alloys using AI. The technique, which uses deep learning, improves the accuracy of phase prediction and provides guidance on key design parameters.
Researchers at the University of Chicago have made significant breakthroughs in designing brain-like devices by predicting design rules for energy-efficient transition states. The study, published in npj Computational Materials, highlights the potential of oxide materials to mimic the behavior of neurons and synapses in the human brain.
Researchers have designed a highly sensitive implantable sensor that can monitor various forms of nitric oxide and nitrogen dioxide in the body. The device is made from biodegradable materials, including magnesium and silicon, which dissolve at a slow pace allowing it to function during recovery periods.
Researchers at the University of Córdoba have developed a biocide additive that can be incorporated into traditional materials used in cultural heritage restoration. The new material, featuring carbendazim-clay complexes, shows improved antimicrobial effectiveness and long-lasting properties compared to existing solutions.
Researchers developed a new method to optimize materials exhibiting metal-insulator transitions (MIT) using Bayesian optimization and latent-variable Gaussian processes. The approach identified 12 previously unidentified MIT materials with optimal functionality and synthesizability.
Researchers have discovered a new form of calcium carbonate that is soft and absorbent, found in mussel shells. They tested its ability to absorb oils and dyes, finding it highly effective but limited by scalability and cost, for potential use in marine pollution cleanup.
Scientists at the University of Turku discovered that titanium is key to hackmanite's glow and developed a material with a longer afterglow. The study reveals complex composition differences in natural minerals and their role in luminescence, offering valuable insights for synthetic materials development.
The National University of Singapore team developed a new sensor material called TRACE with significantly less hysteresis, enabling more accurate wearable health technology and robotic sensing. The breakthrough improves the reliability of data readouts, allowing for wider applications in healthcare and robotics.
Researchers developed a method to analyze glyphosate and AMPA in oat-based food samples, detecting glyphosate in all 13 samples and AMPA in three. The results show that glyphosate levels were well below the EPA tolerance limit, but AMPA levels were lower.
A team of researchers tested the effectiveness of different fabrics at filtering ultrafine particles, comparable to coughing or heavy breathing. Most fabrics commonly used for non-clinical face masks were found to be effective, with N95 masks being highly effective.
Researchers developed two analytical models to evaluate retro-reflective materials' reflection directional characteristics, achieving more accurate results than traditional methods. The study aims to mitigate urban heat islands and reduce building energy consumption.
A liquid nanofoam material with nanopores creates a large surface area, making it pliable and deformable for effective protection. The material outperformed traditional foam in laboratory tests, offering potential to be used in helmets and other safety devices.
A team of West Virginia University researchers are developing a protective jacket for tank cars that haul hazardous materials to prevent spills and leaks caused by accidents. The new composite material, made up of glass and polymer, improves fatigue, puncture, and fire resistance qualities.
Researchers at Penn State have developed new methods to enhance light emission and increase signal strength in 2D materials. By altering the atomic makeup and physical shape of these materials, they created new types of materials that can attract different molecules and induce superconductivity. These advancements have significant impl...
UTA researchers have developed a new geothermal de-icing technique for bridges that uses thermal energy from the ground to melt ice and snow. The system has shown excellent results in tests so far, promising a more environmentally friendly alternative to traditional salt and sand treatments.
A POSTECH research team has developed a faster charging and longer lasting battery material for electric cars. They proved that forming an intermediate phase during charging and discharging can generate high power without losing energy density or reducing particle size, enabling the development of long-lasting Li-ion batteries.
Balachandran's data-driven approach predicts which alloys will perform well in extreme environments, narrowing the search for high-performance materials. His work combines artificial intelligence with quantum mechanics to make the search more productive and cost-effective.
Ihlefeld's research focuses on developing universal, pure, and smooth thin films for transistors in high-temperature environments. His innovation aims to enable the design of new microelectronics with ultra-thin insulating materials.
Researchers at UTA are developing new concrete materials that have longer lives and leave less environmental impact. The team aims to extend the life of environmentally friendly concrete by using a new type of external additive, potentially reducing its carbon footprint and cost.
Researchers at Johns Hopkins University have developed a new method to pinpoint cracks in metals long before they cause disasters. By testing metals at a microscopic scale, they can rapidly inflict repetitive loads and track damage progression into cracks.
High-speed cameras reveal intricate behavior of metal alloy samples under extreme stretching. Researchers discovered that a well-established magnetism model can accurately predict material deformation, offering new insights into the Portevin-Le Chatelier effect.
Researchers developed a new spectroscopy method, 'omnidirectional photoluminescence (ODPL) spectroscopy,' to test materials for electric cars and solar cells. The technique can detect defects and impurities at low temperatures.
Researchers at KIST and Jeonbuk National University created a new type of two-dimensional material that generates up to 40% more power than traditional materials when subjected to static electricity. This innovation enables the development of self-powered touch sensors that can recognize touch signals without electricity.
The University of Queensland's dipstick technology can extract genetic material in 30 seconds and provide a full molecular diagnosis in 40 minutes. This method has the potential to be used for affordable, rapid COVID-19 testing in various settings.
Materials scientists at UC San Diego create a 3D-printing method that allows for the creation of shapes with varying degrees of stiffness and actuation. The breakthrough enables the manufacture of soft robots, artificial muscles, and wearable devices with improved properties.
The center is focused on quantum devices and biosensing, creating materials with exceptional optical properties. Researchers are also exploring new crystal chemistry techniques to develop sustainable energy materials.
Researchers at the University of Texas at Austin have developed a method to fabricate large quantities of Molybdenum Disulfide (MoS2) in a controlled and tunable dimension, making it an attractive material for water treatment and various applications. The process reduces production costs by 3,000 times compared to previous methods.
Researchers at Harvard SEAS developed a new lattice design inspired by marine sponge skeletons, achieving higher strength-to-weight ratios than traditional designs. The diagonal reinforcement strategy improves structural strength without adding material, paving the way for innovative infrastructural applications.
Researchers at the University of Melbourne have created a new microscopy technique that allows direct observation of the magnetic properties of ultrathin 2D materials, such as graphene. The findings reveal that these materials are weakly magnetic and can be easily demagnetized.
Northwestern University researchers developed new design principles for spin-based quantum materials that can enhance the efficiency of ultrafast, low-power electronics. The study identified key criteria for creating non-volatile, energy-efficient materials with long-lived persistent spin textures.
Scientists at Norwegian University of Science and Technology have found a way to control the conductivity of materials without affecting other properties. This breakthrough enables the creation of multifunctional devices using the same material.