Articles tagged with Metals
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Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A UCLA-led research team has discovered a new metallic material that conducts heat nearly three times more efficiently than copper, opening up new pathways for cooling electronics and AI hardware. The material, theta-phase tantalum nitride, boasts an ultrahigh thermal conductivity of approximately 1,100 W/mK.
A team of researchers at Northern Arizona University discovered that fabricated gold, copper and iron nanocrystals exhibit pentagonal constructs resembling natural snowflakes, governed by emergence dynamics. This phenomenon holds key findings for controlling nanomaterial synthesis and advancing the field.
The University of Birmingham has launched a new facility for separating and recycling rare earth magnets, reducing the UK's reliance on imports. The facility uses an innovative hydrogen-based process that can recover over 400kg of rare earth alloy per batch.
Researchers at Nanjing University of Aeronautics and Astronautics created an active metal metamaterial that can bend and recover its shape, enabling aircraft wings to morph smoothly in flight. The material is lightweight, strong, and capable of adjusting its shape on demand.
Scientists develop corrosion-resistant alumina-forming ferritic alloys that exhibit outstanding mechanical properties and oxidation resistance, potentially transforming energy systems and nuclear reactors. These materials offer economic feasibility while maintaining high reliability and could accelerate adoption in practical applications.
Researchers at Pusan National University have discovered a new, faster method for treating lightweight magnesium metals using electropulsing technology. The technique, which involves applying electric pulses to the metal, can accelerate grain growth and improve mechanical properties.
A research team from the Chinese Academy of Sciences has developed a confined crystallization strategy to improve spray-coated perovskite device performance. The approach enables precise control over nucleation behavior during film formation, resulting in low-defect, high-quality perovskite films.
Researchers at Chonnam National University have developed a new approach to thin-film solar cells using a nanometric germanium oxide layer, resulting in improved performance and device stability. The innovative design boosts power conversion efficiency by up to 4.81%.
Researchers at Nagoya University created a new aluminum alloy series optimized for high strength and heat resistance through 3D printing. The study used low-cost elements to produce recycling-friendly materials that can operate at elevated temperatures, leading to lighter vehicles and reduced emissions.
Researchers at Max Planck Institute present efficient and low-CO2 process to extract copper, nickel, and cobalt from deep-sea ore nodules. The method generates significantly less waste and deforestation compared to traditional land-based mining.
Scientists at Tsinghua University introduce a new technique to carve complex shapes on material surfaces, enabling more design freedom and efficiency in surface design. The method uses high-speed vibrations to create convex microstructures that can change how a surface interacts with its environment.
Researchers at the Institute of Industrial Science, The University of Tokyo, have precisely detected quantum tunneling of hydrogen atoms in palladium metal. Hydrogen atoms can pass through energy barriers via quantum tunneling due to 'quantum' effects.
Researchers at MIT used CT scans to study 5,000-year-old slag waste from an ancient site in Iran, revealing fine details about structures within the pieces. The technique complements traditional methods of studying ancient artifacts, shedding light on materials used and technological sophistication of early metallurgists.
A new recycling process recovers nearly all valuable materials from used batteries with high purity, requiring less energy, chemicals, and costs compared to existing methods. The two-step flash Joule heating method separates lithium and transition metals quickly and cleanly.
A study from OIST shows that abrasion from common additives can lead to efficient reactions under mechanochemical conditions. Abrasive materials like tungsten carbide or diamond powder activate catalysts and drive coupling reactions. This finding changes the way researchers think about mechanochemical catalysts.
Researchers at UNH have created a searchable database of 67,573 magnetic materials using AI, including 25 previously unrecognized compounds. The Northeast Materials Database aims to reduce reliance on rare earth elements and lower the cost of electric vehicles.
Researchers have identified iron-manganese alloys as promising candidates for temporary bone fixation. These alloys combine strength, biocompatibility, and degradation properties, allowing them to support bone healing while degrading naturally. However, challenges remain, including controlling the release of manganese, which can pose t...
Global experts discuss the future of additive manufacturing in various applications, including bioprinting living tissues and creating smart consumer products. Researchers showcase advancements in machine learning, real-time sensing, and multi-material 3D printing.
A new post-processing route improves tensile strength and ductility in 3D-printed alloys by combining deep cryogenic treatment and laser shock peening. This method transforms the microscopic structure of 3D-printed metals, relieving internal stresses and enhancing mechanical resilience.
Researchers have developed Laser Ablation Dry Aerosol Printing (LADAP) that generates nanoparticles from solid targets using pulsed laser ablation, enabling the printing of metals and oxides without inks. The technique produces structures with fine-resolution microstructures and thick deposition within a high-throughput process.
Researchers have developed flexible electrodes that mimic skin's softness and stretchability, enabling stable high-quality signals. Composite designs combining metallic systems are being explored to balance flexibility, conductivity, and transparency.
A new project aims to develop a computationally efficient model that accurately predicts how additive manufacturing process parameters influence the solidification microstructure of binary alloy solidification. This will enable optimization of additively manufactured parts with confidence in critical industries.
Researchers at MIT have found a hidden atomic order in metals that changes their properties, including mechanical strength and heat capacity. The discovery reveals a new physical phenomenon explaining the persistent patterns and provides a simple model to predict chemical patterns in metals.
Researchers at MIT have developed a 3D-printable aluminum alloy that is five times stronger than traditionally manufactured versions. This breakthrough could lead to lighter and more efficient aircraft parts, such as fan blades in jet engines, reducing energy consumption and costs.
Researchers explain how iron nanoparticles form in water or on minerals, organic matter, and microbial biofilms, influencing ecosystem health and pollutant movement. Organic molecules and microbes also play major roles in nanoparticle growth and transformation.
Researchers have successfully grown the smallest stable carbon nanotubes, a breakthrough that could lead to advancements in nanoelectronics and cutting-edge technologies. The study uses rhodium-based catalysts to achieve a high yield of the (5, 4) nanotube, paving the way for future applications.
Atomically thin 2D metals exhibit unique properties, making them suitable for applications in electronics, electrochemistry, and catalysis. Five synthesis methods, including confinement techniques and van der Waals squeezing, are explored to fabricate 2D metals with distinct properties.
A multidisciplinary team led by Natasha Vermaak investigates developing structural materials resistant to high-frequency thermomechanical loads for rotating detonation engines. The project aims to address the lack of established materials solutions for extreme thermomechanical loadings, enabling advancements in propulsion systems.
Researchers develop flexible batteries with internal voltage regulation using liquid metal microfluidic perfusion and plasma-based reversible bonding techniques. This technology addresses limitations of traditional rigid batteries.
Researchers have introduced a novel electron localization strategy to create Ni-MXene composites with enhanced polarization, leading to boosted electromagnetic wave attenuation. The composites achieve an ultra-wide effective absorption bandwidth of 6.8 GHz and set a new benchmark for MXene-based EMW absorbers.
Researchers are making progress in overcoming technical hurdles to create layered structures, continuous gradients, and fully three-dimensional architectures with programmable material variation. Optimized laser parameters and build sequences can enhance strength, control heat flow, and improve energy absorption.
Researchers developed novel artificial bone scaffolds with high deformation recovery capabilities, exceeding those of natural bone and conventional metallic scaffolds. These scaffolds allow for flexible adjustments of properties like strength and modulus to meet specific implantation site requirements.
A new study published in Nature highlights the differences between hydrogen and carbon monoxide as reductants in oxide reduction, offering insights for more efficient and sustainable metal extraction. Hydrogen is found to facilitate faster and cleaner reaction kinetics, generating benign water vapor as a byproduct.
Scientists successfully prepared stable polymeric nitrogen materials using a one pot method, achieving higher mass content due to the inclusion of lithium metal. The approach is promising for applications as a high energy density material with excellent ignition performance.
Researchers at Rice University have demonstrated a strong form of quantum interference between phonons, revealing record levels of interference. The breakthrough could lead to new technologies in sensing, computing, and molecular detection.
Researchers found that heavy use of copper antimicrobials can drive antibiotic resistance in bacteria, but switching to copper with other measures can help mitigate this effect. Copper-resistant bacteria also become resistant to antibiotics, suggesting a common evolutionary pathway.
Researchers developed a new method to activate water-splitting catalysts at an oven temperature of just 300 °C, boosting oxygen evolution efficiency by nearly sixfold. This breakthrough enables large-scale energy storage and conversion using solar and wind power.
A new study by the University of Arizona Health Sciences found a potential link between growth problems among infants and high levels of toxic metals and other elements in the breast milk of Mayan women in Guatemala's Lake Atitlán watershed region. High concentrations of arsenic, barium, beryllium, and lead were associated with impaire...
Researchers explore innovative synchronous electrolytes to optimize zinc anode and halogen cathode performance. The review proposes promising candidates for enhanced stability and efficiency in aqueous zinc-halogen batteries.
Researchers develop smart planning systems to predict weld bead geometry and optimize deposition paths, reducing thermal stresses and defect rates. Innovations in real-time monitoring and auxiliary strategies improve material integrity and mechanical properties.
Advanced computer simulations reveal shear deformations and internal mechanical stresses play a crucial role in grain growth and evolution. This discovery helps explain why real polycrystals behave differently than predicted and offers insights into designing stronger materials.
Researchers found that disposable e-cigarettes release higher amounts of metals and metalloids than older refillable e-cigarettes and traditional cigarettes. The study highlights the need for urgency in enforcement due to hazardous levels of neurotoxic lead and carcinogenic nickel, antimony, and other substances.
A new multi-cohort study found that exposure to certain metals detected in urine is associated with a higher risk of heart failure. The study analyzed over 10,000 adults across diverse geographic and racial backgrounds and observed consistent associations between elevated urinary metal levels and increased HF risk.
Researchers have developed metal-based Janus nanostructures that boost CO2 reduction via tandem electrocatalysis. These structures exhibit unique properties and mechanisms, enabling the generation of single-carbon and multi-carbon products.
A new study by UC Riverside researchers reveals that ultrasonic cigarettes may pose significant health risks due to the presence of harmful metals in their liquids and aerosols. The study found elevated levels of metals like arsenic and selenium in u-cigarette products, which can lead to lung diseases, organ damage, and cancer.
A recent study shows that electric vehicle manufacturers can reduce their material demands by nearly 15% by adopting a circular manufacturing system decision-making model. This approach enables product design that facilitates eventual remanufacture and reuse, or recycling, resulting in production cost savings of 18.6% and overall carbo...
Researchers developed novel haptic devices to enable precise robot control with tactile feedback, reducing collisions and improving user proficiency. The devices integrate digital twin technology and augmented reality for enhanced immersion.
Researchers at Virginia Tech have designed a new metallic material alloy with superior mechanical properties, leveraging data-driven frameworks and explainable AI. This breakthrough accelerates the discovery of advanced metallic alloys, offering insights into materials' structure-property relationships.
A team of scientists has developed a new method for desalination that uses liquid tin to simultaneously purify water and recover valuable metals. The process, powered by concentrated solar energy, can transform desalination brine into a valuable resource.
Researchers at Texas A&M University are developing a new method to recover rare earth elements from old electronics, such as tablets and phones, using solid-phase extraction technology. This method aims to reduce energy use, cut down on solvents, and streamline the process, making it more environmentally friendly and commercially viable.
A team of scientists at UNIST developed a data-driven structure prediction algorithm that led to the synthesis of three novel porous materials with exceptional selectivity in gas separation. The newly developed materials have significant potential for greenhouse gas separation and purification applications.
Researchers at MIT have developed a new method to fabricate stretchable ceramics, glass, and metals using a double-network design. This material can stretch over four times its size without breaking, making it suitable for tear-resistant textiles and flexible semiconductors.
Scientists successfully fabricated micron-scale metal patterns on living tardigrades, enabling controlled movement through magnetic fields. This breakthrough opens doors for micro/nanofabrication of living organisms and bio-inorganic hybrid systems.
Researchers developed a novel protein, LSUBP, to enhance uranium extraction from seawater. The engineered protein achieves high adsorption capacity, offering a promising new material for effective uranium extraction.
Researchers develop a gel polymer electrolyte with a localized high-concentration solvation structure, enabling solid-state batteries to operate at 4.7 V with high energy density and cycling stability. The new electrolyte also exhibits exceptional safety characteristics, including no electrolyte leakage or combustion.
A new study emphasizes the importance of pushing metal site design limits to optimize hydrogen evolution reaction in single atom catalysts. Researchers found that hydrogen binding energy calculation can serve as a good predictor of activity, and neighboring nitrogen atoms can host catalytic activity to negate poisoning effects.
Dr. Wei Li is creating a virtual lunar welding platform to simulate welding in the moon's harsh environment, addressing temperature fluctuations and extreme vacuum conditions. The project aims to enable reliable large structure assembly on the moon, a crucial step for human colonization.
Researchers developed a Cu-Ta-Li alloy with exceptional thermal stability and mechanical strength, combining copper's conductivity with nickel-based superalloy-like properties. The alloy's nanostructure prevents grain growth, improving high-temperature performance and durability under extreme conditions.
Researchers have developed novel membranes that can pull lithium directly out of salt-lake brines using electricity, leaving other metal ions behind. The process could reduce the environmental impact of lithium mining and contribute to more efficient energy storage systems for renewable energy sources.
Researchers create atomically thin 2D metals using a new manufacturing technique called vdW squeezing, which allows for the production of diverse materials with enhanced physical properties. The technique enables the exploration of novel physics and new device architectures.