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A rare-earth magnet is a strong permanent magnet 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.
6 de dic. de 2023 · To develop an economically viable permanent magnet, Croat knew he needed to produce it from a light rare-earth element, such as lanthanum, cerium, praseodymium or neodymium, which together...
1 de feb. de 2020 · Rare earth permanent magnets constitute a mature technology, but the shock of the 2011 rare earth crisis led to the re-evaluation of many ideas from the 1980s and 1990s about possible new hard magnets containing little or no rare earth (or heavy rare earth).
- J.M.D. Coey, J.M.D. Coey
- 2020
16 de ene. de 2023 · The most powerful rare earth alloy magnets are neodymium-iron-boron magnets. A three-kilogram neodymium alloy magnet can lift objects that weigh over 300 kilograms, for instance.
29 de dic. de 2023 · One of the most important and wide range of applications for rare earth (REs) containing materials is the production of permanent magnets. Since the 1960s, this class of magnets has given designers and engineers the ability to increase performance, reduce the size of devices and even create applications that would not be possible ...
- James@MagnetoDynamics.com
5 de ene. de 2024 · January 5, 2024. US-based Noveon Magnetics extracts materials from discarded commercial magnets like this one to make new magnets for wind turbines and electric vehicles. Courtesy of Noveon...
6 de jul. de 2022 · Neodymium and samarium—two of the 17 rare earth elements—are ferromagnetic, meaning that they have inherent magnetic properties and can be magnetized. These metals are first mined, refined, and then combined with materials like iron, boron, and/or cobalt to make the strongest magnetic alloys.
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