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IMAGE: A major roadblock to computational design of high-entropy alloys has been removed, according to scientists at Iowa State University and Lehigh University. Engineers from the Ames Lab and Lehigh University s. view more
Credit: Ames Laboratory, U.S. Department of Energy
A major roadblock to computational design of high-entropy alloys has been removed, according to scientists at Iowa State University and Lehigh University. Engineers from the Ames Lab and Lehigh University s Department of Mechanical Engineering and Mechanics have developed a process that reduces search time used for predictive design 13,000-fold.
According to Ganesh Balasubramanian, an associate professor at Lehigh, the goal of the team s research was to accelerate the computational modeling of complex alloys. The tools available for creating random distribution of atoms in materials simulation models, he says, have been used for many, many years now and are limited in their reach for fast
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This edition of the Industrial Bioprocessing Technology Opportunity Engine (TOE) features information on the use of ex-vivo human skin that can replace animal skin for testing cosmetics and skin care products, the use of bio-catalysts for the removal of polyflouroalkyl substances and other pollutants from groundwater.
The TOE also features information on the development of sustainable proteins made from fungal and plant extracts, which are highly nutritious and can effectively replace animal proteins, which are extracted from intense processes that require more water and emit more carbon emissions and the development of sea-weed based feed supplements that decrease livestock related methane emissions.
Making it tougher: Samarium cobalt magnet improvements planned in Ames Lab partnership
Ames Laboratory will partner with Electron Energy Corporation to improve a mainstay of magnet technology the samarium cobalt (SmCo) magnet.
Since their development in the 1960s, SmCo magnets have been a workhorse in modern technology, second only in strength to neodymium magnets. They are extremely resistant to demagnetization, and able to withstand high heat and corrosion.
That high magnetic power density and excellent temperature stability has made SmCo magnets the first choice for many uses, including military, spacecraft, aerospace, and marine applications.
The one downside to SmCo magnets? They are brittle. The process by which they are made, pressing metal powder into a solid mass, called sintering, makes them susceptible to chipping and fractures during the manufacturing process, as well as failure in any environment where there is too much vibration or mechanical shock.
Ames Laboratory Designs Nano-catalysts to Upcycle Polyolefin Plastics December 15, 2020 Contact Author Michele Behrens
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Ames Laboratory scientists have nanoengineered catalysts that can upcycle polyethylene. This can lead to the production of solvents, lubricating oils and more, replacing single-use plastic.
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Scientists at Ames Laboratory have developed a reportedly first-of-its-kind catalyst that is able to process polyolefin plastics such as polyethylene and polypropylene.
According to a report by Ames Laboratory, these types of polymers are widely used in containers such as shampoo bottles. The upcycling process results in uniform, high-quality components that can be used to produce fuels, solvents and lubricating oils leveraging these and other plastics often used for packaging as an untapped resource.
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