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Rare earth magnets (along with other types of permanent magnet) are always on, whether the electrical machine where they are used is operational or not. This means that when a rare earth magnet (or other magnet based motor) is rotating, even with no electrical current applied, magnetic flux will still be present within the machine.
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Apr 24, 2017 · Neodymium iron boron (NIB) magnets are usually called neodymium or rare-earth magnets. They are extremely strong, having a magnetic pull-force that is 10 times greater than ferrite magnets and 20,000 times greater than the Earths magnetic field. These magnets are …
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Jun 13, 2019 · South Africa is the most important rare earth producer in Africa, the world’s only single-vein Monazite rare-earth deposit is located in the steenkampsklar region of Cape Province and is a major source of Monazite in Africa. In addition, bastnaesite and Monazite are associated with the buffalo fluorite.
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Jun 29, 2012 · With the advent of high-flux density permanent magnets based on rare earth elements such as neodymium (Nd) in the 1980s, permanent magnet-based electric machines had a clear performance and cost advantage over induction machines when weight and size were factors such as in hybrid electric vehicles and wind turbines.
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May 29, 2019 · Rare earths are a group of 17 elements used in everything from mobile phone cameras and automobile catalytic converters to wind turbines and MRI machines. Rare earths …
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Rare earth magnets come in various grades such as N52, N42, and N45. Gauss rating of neodymium magnets determines the speed that the magnets work, and is a magnetism measurement of strength. Neodymium magnets can be found inside of speakers and computers.
Rare-earth magnet - Wikipedia
Rare-earth magnets are strong permanent magnets made from alloys of rare-earth elements. Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets.
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Dec 08, 2015 · Motor powered with neodymium rare earth magnets - Duration: 9:59. mksboysal 4,950,037 views
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Apr 17, 2018 · If you need to know one thing about rare earth metals, it’s that they’re crucial to modern technology, helping power everything from MRI machines …
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Jul 02, 2019 · Everything from computers to X-ray machines and aircraft engines needs one or more rare earth elements for magnets, lenses, and other functions. Tech companies from Apple to Huawei to Tesla would be hard pressed to continue their growth trajectories if supplies of rare earth elements such as dysprosium (Dy), europium (Eu), terbium (Tb), and thulium (Tm) were limited or became too expensive.
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Oct 22, 2018 · The rare-earth ion absorbs at least part of the LED emission and then re-emits a photon at a longer wavelength. The combination of these emissive lights cover the entire visible portion of the...
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rare earth 50MM magnetic separator ndfeb magnet neodymium magnets for sale Sintered neodymium-iron-boron (NdFeB) magnets are the most powerful permanent magnets available today. Item Name rare earth 50MM magnetic separator ndfeb magnet neodymium magnets for sale Model Number 042 Material neodymium, pure iron, boron ferroalloy and other additives.
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Aug 22, 2013 · If the unit has been rebuilt with the new neodymium (rare earth) style magnetic material to replace the original magnets,its probably at its optimium preformance capacity now. The neo magnets are smaller but stronger per size devices. They are much more prone to loose Gauss (magnetism) from heat as opposed to a ceramic style magnetic material.
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