Popular Alloy News and Current Events

Popular Alloy News and Current Events, Alloy News Articles.
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Nano-layer of ruthenium stabilizes magnetic sensors
A layer of ruthenium just a few atoms thick can be used to fine-tune the sensitivity and enhance the reliability of magnetic sensors, tests at NIST show. The nonmagnetic metal acts as a buffer between active layers of sensor materials, offering a simple means of customizing field instruments such as compasses and stabilizing the magnetization in a given direction in devices such as computer hard-disk readers. (2007-08-03)

'Quartz' crystals at the Earth's core power its magnetic field
Scientists at the Earth-Life Science Institute at the Tokyo Institute of Technology report in Nature (Fen. 22, 2017) unexpected discoveries about the Earth's core. The findings include insights into the source of energy driving the Earth's magnetic field, factors governing the cooling of the core and its chemical composition, and conditions that existed during the formation of the Earth. (2017-02-22)

One-step, 3D printing for multimaterial projects developed by WSU researchers
New WSU research could potentially help manufacturers reduce 3D printing manufacturing steps and use one machine to make complex products with multiple parts in one operation. Until now, 3D printing, also known as additive manufacturing, has been limited to using mostly one material at a time. (2018-05-30)

2-D tin (stanene) without buckling: A possible topological insulator
An international research team led by Nagoya University synthesized planar stanene: 2-D sheets of tin atoms, analogous to graphene. Tin atoms were deposited onto the Ag(111) surface of silver. The stanene layer remained extremely flat, unlike in previous studies wherein stanene was buckled. This leads to the formation of large area, high quality samples. Stanene is predicted to be a topological insulator, with applications in quantum computing and nanoelectronics. (2018-01-19)

How long does memory last? For shape memory alloys, the longer the better
Scientists captured live action details of the phase transitions of shape memory alloys, giving them a better idea how to improve their properties for applications. (2019-10-03)

Superconductivity in an alloy with quasicrystal structure
A Japanese research team led by Nagoya University discovered the first superconductive quasicrystal. The crystalline alloy Al-Zn-Mg became quasicrystalline when the Al content was reduced to 15 percent, while remaining a superconductor, with a very low critical temperature of ~0.05 K. The alloy behaved like a conventional weakly coupled superconductor, but the role of electronic states that are unique to quasicrystals (critical eigenstates) was not found. However, the existence of fractal superconductivity remains possible. (2018-03-26)

Unprecedented study of Picasso's bronzes uncovers new details
Musee national Picasso-Paris and the Northwestern University/Art Institute of Chicago Center for Scientific Studies in the Arts have completed the first major material survey and study of the Musee national Picasso-Paris' Pablo Picasso bronzes using portable instruments. The international research team of scientists, art conservators and curators used the instruments and a database of alloy 'fingerprints' to non-invasively analyze a group of 39 bronzes and 11 painted sheet metal sculptures, revealing new details about the modern master's art. (2018-02-17)

Nanoparticles unlock the future of superalloy metals
As part of Sandia's nanoscale research, a group of experts specializing in inorganic synthesis and characterization, modeling and radiation science have designed a radical system of experiments to study the science of creating metal and alloy nanoparticles. (2007-06-13)

Prehistoric bling? Aesthetics crucial factor in development of earliest copper alloys
New study suggests golden hue crucial to development of world's earliest tin bronze artefacts. Using experimentally made copper alloys and colorimetric analyses, original colour of artefacts c. 6,500 years old can now be seen. (2017-12-21)

Removing toxic mercury from contaminated water
Water which has been contaminated with mercury and other toxic heavy metals is a major cause of environmental damage and health problems worldwide. Now, researchers from Chalmers University of Technology, Sweden, present a totally new way to clean contaminated water, through an electrochemical process. The results are published in the scientific journal Nature Communications. (2018-11-21)

Writing and deleting magnets with lasers
Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia in Charlottesville, USA have found a way to write and delete magnets in an alloy using a laser beam -- a surprising effect. The reversibility of the process opens up new possibilities in the fields of material processing, optical technology, and data storage. (2018-04-18)

Hydrogen vehicles might soon become the global norm
Roughly one billion cars and trucks zoom about the world's roadways. Only a few run on hydrogen. This could change after a breakthrough achieved by researchers at the University of Copenhagen. The breakthrough? A new catalyst that can be used to produce cheaper and far more sustainable hydrogen powered vehicles. (2020-08-24)

Engineers perfecting hydrogen-generating technology
Researchers at Purdue University have further developed a technology that could represent a pollution-free energy source for a range of potential applications, from golf carts to submarines and cars to emergency portable generators. (2007-08-27)

Researchers use 3-D printing to create metallic glass alloys
Researchers have now demonstrated the ability to create amorphous metal, or metallic glass, alloys using 3-D printing technology, opening the door to a variety of applications -- such as more efficient electric motors, better wear-resistant materials, higher strength materials, and lighter weight structures. (2018-03-22)

Three's company: New alloy sets magnetism benchmark
Spintronics leverages electron spins to enhance solid-state devices by prolonging battery life. Spintronic developments, however, are increasingly running up against the Slater-Pauling limit, the maximum for how tightly a material can pack its magnetization. Now, a new thin film is poised to break through this decades-old benchmark. Researchers discuss their work constructing a stable thin film made from iron, cobalt and manganese that may push past the Slater-Pauling limit, in this week's Applied Physics Letters. (2018-02-13)

New polymer additive could revolutionize plastics recycling
Only 2 percent of the 78 million tons of manufactured plastics are currently recycled into similar products because polyethylene (PE) and polypropylene (PP), which account for two-thirds of the world's plastics, have different chemical structures and cannot be efficiently repurposed together. That could all change with a discovery by a Cornell University research team. (2017-02-23)

How to roll a nanotube: Demystifying carbon nanotubes' structure control
A key advancement in the design of high performance carbon-based electronics. (2017-02-15)

Nanoalloys 10 times as effective as pure platinum in fuel cells
A new type of nanocatalyst can result in the long-awaited commercial breakthrough for fuel cell cars. Research results from Chalmers University of Technology and Technical University of Denmark show that it is possible to significantly reduce the need for platinum, a precious and rare metal, by creating a nanoalloy using a new production technique. The technology is also well suited for mass production. (2017-05-24)

New catalyst for making fuels from shale gas
Methane in shale gas can be turned into hydrocarbon fuels using an innovative platinum and copper alloy catalyst, according to new research led by UCL (University College London) and Tufts University. (2018-01-08)

Physicists from IKBFU create metallic alloy for magnetic refrigerator
Physicists of the Laboratory of Novel Magnetic Materials of the Immanuel Kant Baltic Federal University study magnetic materials and magnetostructural phase transition in order to create a new magnetic cooling technology. (2019-07-25)

High-performance multimetallic AuPd@Pd@Pt core-interlayer-shell icosahedral electrocatalysts for ORR
Pt-based core-shell electrocatalysts have received abundant research interests over the past decade. Recently, a research team led by Professor Deren Yang from Zhejiang University has successfully synthesized the AuPd@Pd@Pt core-interlayer-shell nanoicosahedra catalysts for oxygen reduction. Such catalysts exhibited not only an excellent ORR activity but also a good durability compared with commercial Pt/C, arising from the incorporation of Pd ultrathin interlayer. (2018-05-04)

Scientists use machine learning to speed discovery of metallic glass
Blend two or three metals together and you get an alloy that usually looks and acts like a metal, with its atoms arranged in rigid geometric patterns. But once in a while, under just the right conditions, you get something entirely new: a futuristic alloy called metallic glass. Now new research reports a shortcut for discovering and improving metallic glass -- and, by extension, other elusive materials -- at a fraction of the time and cost. (2018-04-13)

Scientists mix the unmixable to create 'shocking' nanoparticles
Making a giant leap in the 'tiny' field of nanoscience, a multi-institutional team of researchers is the first to create nanoscale particles composed of up to eight distinct elements generally known to be immiscible, or incapable of being mixed or blended together. The blending of multiple, unmixable elements into a unified, homogenous nanostructure, called a high entropy alloy nanoparticle, greatly expands the landscape of nanomaterials--and what we can do with them. (2018-03-29)

Observing hydrogen's effects in metal
Microscopy technique could help researchers design safer reactor vessels or hydrogen storage tanks. (2019-02-05)

Accelerated analysis of the stability of complex alloys
Material scientists at Ruhr-Universit├Ąt Bochum are able to determine if a new material remains stable under temperature load within the space of a few days. They have developed a novel process for analysing, for example, the temperature and oxidation resistance of complex alloys that are made up of a number of different elements. Previously, such analyses used to take months. The team describes the process in the journal (2017-12-22)

Optimizing recycling of scrap car parts yields big savings
Detailed sorting of scrap car parts could boost recycling rates to over 97 percent, saving billions and slashing greenhouse gas emissions. (2018-01-24)

Scientists develop elastic metal rods to treat scoliosis
NUST MISIS scientists jointly with their colleagues from the Ecole de Technologie Superiore (Montreal, Canada) have experienced a new combination of alloy processing that produces solid and durable implants that are fully compatible with the human body. The research article is published in the Journal of Alloys and Compounds. (2018-03-23)

Artificial intelligence accelerates discovery of metallic glass
Combining artificial intelligence with experimentation sped up the discovery of metallic glass by 200 times. The new material's glassy nature makes it stronger, lighter and more corrosion-resistant than today's best steel. (2018-04-13)

Fatigue-resistant, high-performance cooling materials enabled by 3D printing
High-performance solid-state elastocaloric cooling materials with exceptional fatigue resistance are made possible by 3D printing a nickel-titanium based alloy, researchers report. (2019-11-28)

Taking control at the junction
Fine tuning the composition of nitride alloys can further the development of optical and electronic interface devices. (2018-01-22)

Storing energy in hydrogen 20 times more effective using platinum-nickel catalyst
Catalysts accelerate chemical reactions, but the widely used metal platinum is scarce and expensive. Researchers at Eindhoven University of Technology (TU/e), together with Chinese, Singaporean and Japanese researchers, have now developed an alternative with a 20x higher activity: a catalyst with hollow nanocages of an alloy of nickel and platinum. TU/e researcher Emiel Hensen wants to use this new catalyst to develop a refrigerator-size electrolyzer of about 10 megawatts in the future. (2019-11-14)

Tungsten 'too brittle' for nuclear fusion reactors
Researchers find tungsten -- a favored choice of metal within the reactor -- is liable to become brittle, leading to failure. (2018-04-13)

Computer model predicts how fracturing metallic glass releases energy at the atomic level
Metallic glasses are an exciting research target, but the difficulties associated with predicting how much energy these materials release when they fracture is slowing down development of metallic glass-based products. Recently, researchers developed a way of simulating to the atomic level how metallic glasses behave as they fracture. This modeling technique could improve computer-aided materials design and help researchers determine the properties of metallic glasses. They report their findings in the Journal of Applied Physics. (2018-07-19)

Heat-tempered magnesium alloy a strong choice for implants
In a study published in the Journal of Cranio-Maxillofacial Surgery, researchers at the NYU Tandon School of Engineering, NYU School of Medicine, and NYU Dentistry found, through in vivo testing, that T-5 heat treatment of magnesium alloy confers titanium-like strength and resistance to degradation and resporption. (2017-10-03)

High-performance self-assembled catalyst for SOFC
An international team of researchers , affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has unveiled a novel catalyst that can significantly enhance the performance of perovskite electrodes in Solid Oxide Fuel Cell. (2018-10-12)

How to stack graphene up to four layers
IBS research team reports a novel method to grow multi-layered, single-crystalline graphene with a selected stacking order in a wafer scale. They obtained four-layered graphene using chemical vapor deposition (CVD) via Cu-Si alloy formation. (2020-07-27)

Solvent additive-free ternary polymer solar cells with 16.27% efficiency
Recently, ternary PSCs with 16.27% efficiency were reported by Fujun Zhang's group, which has been published on the Science Bulletin in the form of Short Communication. (2019-05-14)

Next-gen steel under the microscope
Next-generation steel and metal alloys are a step closer to reality, thanks to an international research project involving a University of Queensland scientist. The work could overcome the problem of hydrogen alloy embrittlement that has led to catastrophic failures in major engineering and building projects. (2017-03-16)

Paving a way to achieve unexplored semiconductor nanostructures
A research team of Ehime University paved a way to achieve unexplored III-V semiconductor nanostructures. They grew branched GaAs nanowires with a nontoxic Bi element employing characteristic structural modifications correlated with metallic droplets, as well as crystalline defects and orientations. The finding provides a rational design concept for the creation of semiconductor nanostructures with the concentration of constituents beyond the fundamental limit, making it potentially applicable to novel efficient near-infrared devices and quantum electronics. (2019-10-18)

A new technique for structural color, inspired by birds
Structural coloration has long interested researchers and engineers because of its durability and potential for application in solar arrays, biomimetic tissues and adaptive camouflage. But today's techniques to integrate structural color into materials are time-consuming and costly. Now, researchers have developed a new, more robust and cost effective system to build large-scale metamaterials with structural color. (2016-11-28)

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