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12 Current news about the topic alloysrss
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Technique allowed continuous study of cobalt nanoparticles as they grew
High-energy X-ray beams and a clever experimental setup allowed researchers to watch a high-pressure, high-temperature chemical reaction to determine for the first time what controls formation of two different nanoscale crystalline structures in the metal cobalt. The technique allowed continuous ...
Affordable high-performance catalysts have come within reach
The industry has been traditionally deploying platinum alloys as catalysts for oxygen reduction, which is for example essential in fuel cells or metal-air batteries. Expensive and rare, that metal imposes strict restrictions on manufacture. Researchers at Ruhr-Universität Bochum (RUB) and ...
Analyzing oxide films at atomic level
Corrosion is an age-old problem that is estimated to cost about $1 trillion a year, or about 5 percent of the U.S. gross domestic product. Corrosion of metals can be particularly bad, but fortunately they are normally protected from catastrophic damage by naturally forming, super-thin oxide ...
Wear, corrosion, material fatigue - these signs of degradation are common to most materials. This makes it all the more important to detect damage early, preferably on the micro scale. Magnetic test methods are often used for this purpose, which was previously impossible with non-magnetic steel. ...
Sebastian Siol is looking for new materials with unusual properties that were so far not accessible in experiments. To do this, he connects partners who don't really fit together: One partner forces the other into a state that would not be possible without the unlikely pairing. Siol also makes ...
Severe plastic deformation and powder processing techniques are used to produce nanostructured materials with tailor-made compositions and without the effort of precasting. They allow the production of novel metallic nanocrystalline materials by mechanically alloying immiscible elements. Oxide ...
A possible topological insulator
Nagoya University-led researchers produce 2D sheets of tin atoms predicted to have exotic uses in electronics. Nagoya, Japan - Sometimes it pays to be two-dimensional. The merits of graphene, a 2D sheet of carbon atoms, are well established. In its wake have followed a host of "post-graphene ...
A self-solving puzzle for organic molecules
Jülich researchers have succeeded in controlling the growth of organic molecules using a special trick. Molecules that repel each other play a key role in this process: due to their opposing forces, they always keep a certain distance from their neighbours. Therefore, they mix easily with a ...
Scientists discover peculiarities in crystal structure of titanium alloy
Metals which can be bent as gum pave the way for new industrial applications for example in the aerospace industry. These so-called gum metals exist but the mechanism behind this behaviour was still unsettled and thus difficult to be used for applications. Scientists from the Max-Planck-Institut ...
Physicists engrave nanoscale magnets directly into layer of material
Miniaturization is the magic word when it comes to nanomagnetic devices intended for use in new types of electronic components. Scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have proposed the use of ion beams for their fabrication. An ultra-fine beam consisting of around 10 neon ...
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