Ames Laboratory scientists create cheaper magnetic material for cars, wind turbines

Melting material in preparation for producing a new type of magnet
Melting material in preparation for producing a new type of magnet

Karl A. Gschneidner and fellow scientists at the U.S. Department of Energy’s Ames Laboratory have created a new magnetic alloy that is an alternative to traditional rare-earth permanent magnets.

The new alloy—a potential replacement for high-performance permanent magnets found in automobile engines and wind turbines—eliminates the use of one of the scarcest and costliest rare earth elements, dysprosium, and instead uses cerium, the most abundant rare earth.

The result, an alloy of neodymium, iron and boron co-doped with cerium and cobalt, is a less expensive material with properties that are competitive with traditional sintered magnets containing dysprosium.

Read more at: http://www.rdmag.com/news/2015/04/ames-laboratory-scientists-create-cheaper-magnetic-material-cars-wind-turbines

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