rare-earth magnet

(redirected from Rare earth magnet)

rare-earth magnet

[′rer ‚ərth ′mag·nət]
(electromagnetism)
Any of several types of magnets made with rare-earth elements, such as rare-earth-cobalt magnets, which have coercive forces up to ten times that of ordinary magnets; used for computers and signaling devices.
References in periodicals archive ?
Of the two types of rare earth magnets, NdFeB magnets currently accounts for most of the total global rare earth magnet volumes, with China being the largest producer and consumer.
Many felt it was now time to begin to establish a rare earth magnet supply chain outside China.
Neodymium-iron-boron magnets: This type of rare earth magnet has an extremely high magnetic saturation, good resistance to demagnetisation and the highest value of energy production They are less costly to produce than Sm-Co alloys and hence are now the main rare earth permanent magnet in use today.
The correct type of Rare Earth magnet can yield very high magnetic field strengths and gradients enabling them to extract the very smallest particle of iron or rust.
34) "Leading Permanent Rare Earth Magnet Expert to Direct Molycorp's Magnet Manufacturing Business," press release, September 30, 2010, available at <www.
James Widmer of the Centre for Advanced Electrical Drives said: "These rare earth magnet materials are used in pretty much any motor for high-end applications, from vacuum cleaners to cars.
According to data presented at the Defense Metals Technology Center's April 2009 Strategic Materials Conference, there were 12 American rare earth magnet producers in 1990, employing 6,000 people in the $600 million global market.
The Magnetic Hood Insert--a first of its kind--boasts a rare earth magnet instead of foam (foam also available) that holds arrows tightly and securely.
Tramp Iron Grate in Housings (TGH) incorporate Erium [TM] Ceramic, Rare Earth or Xtreme [TM] Rare Earth magnet material to remove ferrous contaminants from free flowing products as it cascades through rows of magnetic grates within a custom-manufactured housing.
A coil and rare earth magnet assembly, encapsulated into a single package, is offered with either a lead wire or male DIN-style connection.
These separators consist of a short conveyor system with an alternating pole rare earth magnet assembly contained in a non-metallic drum.
Separate tests on sand were run using a rare earth magnet and mechanical scrubber, which revealed that the magnet alone produced sand of sufficient quality for rebonding.