rare-earth magnet


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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 ?
Dr Medraj believes the magnets they are developing will be significantly cheaper and have greater thermal stability than neodymium based magnets - which are the strongest rare-earth magnet used today.
Reclaiming of rare-earth magnet motors/generators used in (H)EVs is a major challenge because the magnets are difficult to remove from the assemblies.
The new design provides a similar level of performance as UQM Technologies' current design which use permanent magnet motors with rare-earth magnet materials.
Using a polycrystalline model of a rare-earth magnet, the model is divided into extremely small regions of 1 nm.
This company has introduced a new class of high-energy, elastic rare-earth magnet material called Reance SF.
The RH mini actuators combine zero backlash harmonic drive gearing with rare-earth magnet DC servo motors to provide both high torque and positional accuracy better than 2 arc-minutes.
grate tubes with an assembly of ceramic or rare-earth magnet material inside.
diam, grate tubes with an assembly of ceramic or rare-earth magnet material inside.
The Direct System, unlike a hearing aid which simply amplifies sound, turns sound into electromagnetic waves which vibrate a tiny rare-earth magnet implanted in the middle ear.
The Direct System consists of a tiny, rare-earth magnet implanted in the middle ear, and a speech/sound processor.
Among the total exports, the export volume of rare-earth magnet, exporting to 69 countries and regions, reached 21,532 tons, nearly doubling against the pervious year, and the export value was US$415 million, up 36.
Rare-Earth magnet material is available for enhanced product purity.