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Keyword: harshdeepchopra

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  • Shedding new light on 175-year-old principle: New class of swelling magnets ... energize the world

    05/20/2015 11:06:44 AM PDT · by Red Badger · 21 replies
    Phys.Org ^ | 05-20-2015 | Provided by Temple University
    A new class of magnets that expand their volume when placed in a magnetic field and generate negligible amounts of wasteful heat during energy harvesting, has been discovered by researchers at Temple University and the University of Maryland. The researchers, Harsh Deep Chopra, professor and chair of mechanical engineering at Temple, and Manfred Wuttig, professor of materials science and engineering at Maryland, published their findings, "Non-Joulian Magnetostriction," in the May 21st issue of the journal, Nature. This transformative breakthrough has the potential to not only displace existing technologies but create altogether new applications due to the unusual combination of magnetic...
  • New, expanding magnet turns around 175-year-old principle of magnetism

    05/28/2015 9:06:45 PM PDT · by 2ndDivisionVet · 9 replies
    The International Business Times UK ^ | May 23, 2015 | Jayalakshmi K
    A new class of magnets discovered that swell in volume and generate little heat when placed in a magnetic field could be used to harvest or convert energy efficiently. Applications range from sensors and actuators for automobiles to biomedical devices, besides defence applications. Discovered by scientists at the University of Maryland (UMD) and Temple University, the new magnets made from abundant metal alloys could replace the expensive, rare-earth magnets which exhibit poor mechanical properties. Maryland professor of materials science and engineering Manfred Wuttig, and Harsh Deep Chopra, professor and chair of mechanical engineering at Temple heated certain iron-based alloys (iron-gallium,...