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New Magnets Could Solve Our Rare-Earth Problems

New Magnets Could Solve Our Rare-Earth Problems

July 7, 2011 - Can We Construct Tomorrow's Breakthroughs? Manufacturing in the United States is in problems. That's undesirable news not just for the country's financial system but for the foreseeable future of innovation.

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More robust, lighter magnets could enter the industry in the next number of years, making much more successful automobile engines and wind turbines achievable. Researchers need to have the new components because today's finest magnets use scarce-earth metals, whose supply is turning out to be unreliable even as need grows.


So scientists are now doing work on new kinds of nanostructured magnets that would use scaled-down amounts of uncommon-earth metals than normal magnets. Many hurdles remain, but GE Worldwide Research hopes to show new magnet resources inside the up coming two years.

The strongest magnets be dependent on an alloy of the unusual-earth metal neodymium that also contains iron and boron. Magnet makers occasionally add other unusual-earth metals, including dysprosium and terbium, to these magnets to boost their homes. Materials of all three of these uncommon earths are at chance due to the fact of growing demand and the probability that China, which creates most of them, will restrict exports.

However, it's not crystal clear if the new magnets will get to market ahead of the desire for uncommon-earth metals exceeds the supply. The U.S.



( via technologyreview.com )



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