Articles tagged with Alloys
Researchers are developing self-lubricating metal alloys that won't break down even at ultra-high temperatures, reducing dependence on conventional lubricants and coatings. The project aims to create a reusable materials-discovery infrastructure, enabling materials that become functionally adaptive to their environment.
Researchers investigated the softening transition of a NiCoCr-based high-entropy alloy and found that stress-driven grain boundary migration is the primary driving force behind catastrophic softening. The study provides a quantitative framework to deconvolute stress-driven and thermally driven contributions to high-temperature softening.
The $24.9M grant will establish a national user facility for alloy-discovery campaigns using robotic systems and AI, freeing scientists to focus on discovery itself. ARM-MIP will democratize access to state-of-the-art research facilities and accelerate alloy development.
Researchers used synchrotron X-ray absorption spectroscopy and atomic-scale computer simulation to measure how iron and cobalt atoms individually respond to temperature change. Iron and cobalt both contribute to suppressing thermal expansion, but iron's effect is stronger and shifts with small changes in the iron-to-cobalt ratio.
Researchers have found that hydrogen-induced embrittlement can be twice as severe in Nickel-base superalloys at elevated temperatures, posing a challenge for gas turbine safety and reliability. The study suggests that designing temperature-specific alloys with tailored microstructures could help mitigate this issue.
John Scully, a renowned materials scientist, has been recognized with the SURA Distinguished Scientist Award for his groundbreaking work on corrosion research. His contributions have led to significant advancements in understanding materials degradation in harsh environments, impacting human health and national defense.
Researchers created new metal alloys using AI-driven materials design, retaining strength under extreme conditions. The alloys, made of nickel, cobalt, and chromium, outperformed industry standards in properties such as puncture resistance and oxidation resistance.
Researchers developed a new lightweight cast aluminum alloy that exhibits improved ductility and strength, making it suitable for demanding mechanical and thermal conditions. The alloy's unique nanostructures allow for efficient crack transfer and stress distribution.
Researchers developed a thermal catalyst with high CO oxidation activity under low-temperature conditions. By introducing dithiolate bridging ligands, the team reinforced the nanocluster's outer framework while allowing weaker ligands to be removed more easily.
Researchers develop annealable ferromagnetic icosahedral quasicrystals with unprecedented structural quality, revealing intrinsic magnetic properties and magnetic criticality. The discovery enables the first systematic investigations of quasiperiodic magnetism and magnetic criticality in QCs.
Researchers at MPI-SusMat discovered that adding specific metal oxides as catalytic precursors can double the reduction kinetics of hydrogen-based metal production, allowing for reduced energy use. This breakthrough enables lower reduction temperatures, shorter processing times, and reduced energy consumption.
Researchers have developed a new computational workflow combining generative AI with atomistic simulations to identify promising platinum alloy catalyst structures for hydrogen fuel cells. The method produces high-performing candidates from several material combinations, addressing a longstanding challenge in catalyst design.
Researchers at Saarland University are developing smart implants that can continuously monitor and visualize the healing process of fractures. These customized implants can dynamically adapt to the healing process by becoming stiffer or more compliant as required, promoting bone regeneration through micromechanical stimulation.
A new three-step synthesis strategy enables simultaneous control over composition and surface facets of high-entropy alloy nanoparticles. Researchers have scaled the process to produce millions of particles across unique compositions, opening a path to discovering next-generation HEA catalysts with high-index facets.
Researchers at Saarland University have developed energy-efficient geometries for elastocaloric cooling elements using 3D printing. The technology uses shape-memory alloys to release heat when stretched and absorb it when released, promising a cleaner alternative to traditional cooling methods.
Researchers from Kumamoto University and partners discovered a method to enhance titanium alloys using high-density pulsed electric current, achieving improved strength and toughness. The technique harnesses an electron wind force to reorganize the internal crystal structure, producing nanoscale martensitic phases that disperse stress ...
A team of researchers developed a machine learning framework to optimize laser settings for printing crack-susceptible superalloys. The algorithm reduced internal crack density by 99% and increased the metal's high-temperature strength, surpassing traditional cast components.
A new class of ultra-high strength and ductility steel has been created using machine learning, achieving a rare balance of extreme strength and ductility. The resulting metal resists corrosion and degrades slowly in salt-water tests.
Researchers developed a bespoke aluminum alloy specifically tailored to survive and thrive in 3D printing. The new material produces components with significantly higher strength and lower internal stress than current industry standards.
Recent scientific review highlights Ga-LMs' natural fluidity, high electrical conductivity, and biocompatibility, making them suitable for wearable health monitoring systems, soft robots, and implantable medical devices. Advanced patterning techniques enable precise fabrication of Ga-LM-based circuits for high-performance HMIs.
Researchers at Saarland University developed metallic glasses to reduce energy losses in electric motors, enabling more efficient operation. The new alloys minimize energy consumption in everyday devices, extending the range of e-scooters and drones.
Researchers developed a new class of cobalt-free Ni-based superalloys with high mechanical performance and good manufacturability. The alloys demonstrate mechanical properties comparable to Haynes 282 while avoiding cobalt, a strategically sensitive element.
Researchers develop AI framework to accelerate alloy discovery by fusing cross-disciplinary expert knowledge with experimental data, outperforming conventional machine learning methods. The approach can make reliable predictions for poorly studied alloy compositions, achieving accuracy rates up to 92%.
Researchers at Northwestern University found that heat strengthens pure metals under extreme conditions, challenging long-held assumptions. The study revealed a stark divide between pure and alloyed metals, with pure metals becoming stronger and harder as temperatures increased.
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.