Articles tagged with Alloys
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Scientists discover a new method to engineer crystalline materials with exceptionally low thermal conductivity by alloying YbN into AlN. This innovation has the potential to revolutionize industries such as semiconductor packaging and chemical reactors.
Researchers at Tohoku University developed a new technique to identify pitting corrosion initiation sites in aluminum alloys. The method combines real-time optical microscopy with a boric-borate buffer solution, allowing clear visualization of pit formation locations.
Researchers have developed a new alloy system that enables room-temperature magnetic refrigeration with high-performance cooling, reducing the need for rare earth materials. The MnNiSi system surpasses previous records for magnetocaloric HEAs by 360%, offering a scalable framework for sustainable technology.
Researchers at Hong Kong Polytechnic University create a new machining method that combines laser and magnetic fields to machine advanced materials like high-entropy alloys. The dual-field approach produces smoother surfaces, reduced damage, and improved material removal rates.
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.
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 are developing Refractory High-Entropy Alloys with improved strength and ductility through computation-led design and sophisticated microstructures. These advancements aim to overcome the traditional trade-off between mechanical properties.
Researchers have developed a new design for concrete rail ties that use shape memory alloys to resist warping and cracking. The technology has been successfully tested in laboratory experiments and simulated rail traffic, exceeding industry standards.
Researchers developed an automated high-throughput system capable of generating Process-Structure-Property datasets for superalloys. The system produced a dataset containing thousands of records in just 13 days, accelerating data-driven materials design by over 200 times.
A new alloy design strategy for metal alloy negative electrodes has improved the performance and durability of next-generation solid-state batteries. The design enhances lithium ion movement, leading to faster charge-discharge rates and longer battery lifespan.
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...
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.
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.
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.
Research teams developed a novel post-processing technique using hot isostatic pressing (HIP) to improve titanium alloy surfaces' microstructure and wear resistance. The process achieved remarkable reductions in residual stress and enhanced mechanical properties, including increased hardness and ductility.
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.
The University of Pittsburgh has received prestigious R&D World 100 Awards for two emerging technologies: VulcanAlloy and eMission Critical Sensor. These innovations can withstand high temperatures continuously approaching 500 degrees Celsius and identify rare earth elements in waste streams or feedstocks, respectively.
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.
Harmer and his team developed a new Cu–Ta–Li superalloy with exceptional stability and structural integrity at high temperatures, breaking a century-old limitation. The breakthrough could lead to energy efficiency, improved turbine performance, and sustainable forms of transportation.
Researchers developed a novel FeCrVNiAl eutectic high-entropy alloy that exhibits remarkable combination of mechanical strength and high corrosion resistance for marine environments. The alloy integrates hierarchical nanoscale precipitates of B2 (NiAl) and L2 (Fe2CrV) phases within its matrix, which are precisely controlled through sol...
Researchers have developed new synthesis methods for nanoscale high-entropy alloys, which exhibit improved properties in catalysis, energy storage, and more. These advancements offer promising solutions for future technological innovations.
Researchers developed a novel Ti-24Nb-4Zr-8Sn alloy with low Young's Modulus, superior corrosion resistance, and good biocompatibility. The alloy showed promising results in reducing stress shielding and improving bone regeneration compared to conventional Ti64 implants.
Scientists developed an algorithm that can accurately simulate atomic interactions on material surfaces, reducing the need for massive computing power. This breakthrough enables the analysis of complex chemical processes in just two percent of unique configurations, paving the way for improved battery performance.
A new coating method uses liquid-based chemical conversion coating with cavitation bubbles to improve corrosion resistance and mechanical properties of magnesium alloys. The team's technology aims to reinforce lightweight materials in electric cars, addressing the need for more durable materials.
Researchers at HKUST developed a novel elastic alloy called Ti₇₈Nb₂₂, which achieves remarkable efficiency for solid-state heat pumping and exhibits a reversible temperature change 20 times greater than conventional metals. The alloy achieves approximately 90% of the Carnot efficiency limit, making it highly competitive with refrigeran...
Researchers developed a novel structure to enhance spin-torque heat-assisted magnetic recording, achieving 35% improvement in HDD recording efficiency. The technology has potential for reduced energy consumption and enhanced durability, paving the way for next-generation storage technologies.
Researchers developed nano-precipitation-strengthened high-entropy alloys, achieving ultrahigh gigapascals yield strength and superb resistance to adiabatic shear failure. Nanoprecipitates act as dislocation barriers and energy-absorbing islands, dispersing strain energy through order-to-disorder transition.
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.
Researchers have developed a new alloy design strategy that combines exceptional strength with superior resistance to hydrogen embrittlement. The approach enables dual nanoprecipitates to trap hydrogen and enhance strength, resulting in a 40% increase in strength and a five-fold improvement in hydrogen embrittlement resistance.
Researchers developed a Li x Ag alloy anode that addresses interface issues in garnet-type solid electrolytes, enabling higher energy density and safety. The alloy creates a pathway for lithium ions with dramatic enhancement of diffusion kinetics.
A Lehigh University team developed a novel machine learning method to predict abnormal grain growth in materials, enabling the creation of stronger, more reliable materials. The model successfully predicted abnormal grain growth in 86% of cases, with predictions made up to 20% of the material's lifetime.
Researchers developed a new ultrafine platinum-based high-entropy alloy octahedra catalyst that enhances methanol oxidation reaction activity and durability. The senary alloy outperformed ternary alloys and commercial platinum-on-carbon catalysts in terms of performance, offering a promising advance for direct methanol fuel cells.
Scientists at NIST discovered a novel aluminum alloy with enhanced strength through quasicrystals, revolutionizing 3D printing. The unique crystal structure breaks the regular pattern of perfect crystals, causing defects that make the metal stronger.
Researchers will use sensors and software to predict AM part lifespan, enabling cost savings and extending part life. The project aims to improve Darwin software to provide detailed insights into manufacturing processes.
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.
A team of researchers has developed a groundbreaking high-temperature copper alloy with exceptional thermal stability and mechanical strength. The novel bulk Cu-3Ta-0.5Li nanocrystalline alloy exhibits remarkable resistance to coarsening and creep deformation, even at temperatures near its melting point.
Researchers have developed a nickel-iron alloy metamaterial that can concentrate and locally enhance magnetic fields. By controlling the geometry and number of 'petals', the effect can be increased, making it suitable for improving the sensitivity of magnetic sensors.
Researchers from Saarland University are developing novel air conditioning technology using elastocaloric effect, which can cool and heat more sustainably than current systems. The aim is to commercialize the technology within five years.
Scientists identify the origin of magnetic moment enhancement in an iridium-doped iron-cobalt alloy through high-throughput X-ray measurements. The study reveals that Ir addition leads to increased electron localization and spin-orbit coupling, resulting in enhanced magnetic moments.
Researchers at Osaka Metropolitan University developed new formulas to calculate key quantum informative quantities, including entanglement entropy and mutual information. These simplified expressions offer fresh perspectives into quantum behaviors in materials with different physical characteristics.
Researchers at Johns Hopkins University Applied Physics Laboratory have discovered a new way to strengthen titanium alloys using AI, enabling faster production and improved mechanical properties. The breakthrough has implications for industries such as shipbuilding, aviation, and medical devices.
A Cornell University-led collaboration has designed a new method for creating metals and alloys that can resist extreme impacts and stresses. The research introduces nanometer-scale speed bumps that suppress embrittlement in metallic materials.
Researchers have developed a high-temperature successive ion layer adsorption and reaction (HT-SILAR) strategy for producing high-quality, large-particle alloyed red quantum dots. This enables the creation of highly efficient QLEDs with exceptional color purity and stability.
Researchers at Tohoku University have developed a Ti-Al-based superelastic alloy with exceptional strength and flexibility, operating from -269°C to +127°C. This breakthrough material holds significant potential for applications in space exploration and medical technology.
The article reviews additive manufacturing technology for biomedical metals, enabling customized implants with precise internal structures. It highlights the integration of AI and 4D printing, addressing challenges in production costs, regulatory compliance, and post-processing.
Cornell researchers discover way to control metal solidification transformations by adjusting alloy composition, leading to improved strength and reliability of printed metal parts. The method involves disrupting column-like grain growth, significantly reducing grain size and improving yield strength.
Researchers have developed a low-cost method for producing pearlescent pigments using vanadium phosphates, which are stable in organic solvents and environmentally friendly. The process produces glossy, iridescent pigments with high aspect ratios and can be tailored to achieve specific colors and finishes.
Researchers demonstrate that light can interact with a single-atom layer of thallium-lead alloys, restricting spin-polarized current flow to one direction. This phenomenon enables functionality beyond ordinary diodes and paves the way for ultra-fine two-dimensional spintronic devices.
Researchers developed high-entropy crystalline/amorphous (HECA) nanolaminates to mitigate irradiation damage in nuclear materials. The bi-phase structure traps interstitials and promotes vacancy recombination, increasing structural stability.
Researchers at Max Planck Institute for Sustainable Materials have developed a novel method to create lightweight, nanostructured porous martensitic alloys by harnessing dealloying and alloying processes. The approach enables CO2-free and energy-saving production of high-strength materials.
A new cobalt-manganese-iron alloy thin film demonstrates high perpendicular magnetic anisotropy, a key aspect for fabricating MRAM devices using spintronics. This breakthrough offers a new candidate for memory materials and contributes to the development of novel spintronics memory devices.
Researchers at Tohoku University successfully prototyped the world's first full-scale automotive multi-material component, a suspension tower made of steel and aluminum with tailored geometry. The breakthrough in Laser Powder Bed Fusion (L-PBF) technique allows for strong bonding interfaces without brittle intermetallic compounds.
Researchers at PNNL have developed a solid phase alloying process that converts metal scrap into high-performance aluminum products in a single step. The process, called ShAPE, produces high-strength alloys with unique nanostructures and improved properties compared to conventional recycled aluminum.
Researchers at Pusan National University developed a hybrid model to predict metal wear in magnesium alloys, enabling safer, lighter designs. The model combines machine learning and physics to improve fatigue life prediction, offering greater predictive reliability for enhanced safety and longevity.
A USTC research team has developed a Pt-based high-entropy-alloy catalyst that significantly enhances the efficiency of propane dehydrogenation. The catalyst achieved propylene formation rates of 256 and 390 mol C₃H₆ gₚₜ⁻¹ h⁻¹ at 550 °C and 600 °C, respectively, with high selectivity for propylene in a long-term stability test.
Researchers tested ODS FeCrAl alloys in a liquid LiPb environment and found that they form durable γ-LiAlO2 layers, which provide strong resistance to corrosion. The study's findings are crucial for improving material durability in fusion reactors and high-temperature energy systems.
Scientists have successfully synthesized a multiscale NiFeMn alloy through additive manufacturing combined with chemical dealloying, offering a new route for discovering novel materials. The integrated approach enables efficient diffusion of metals, allowing for bulk samples to be prepared without extended dealloying time.