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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.
16 sty 2023 · Learn how rare earth metals fine-tune light and generate powerful magnetic fields in various electronics, from smartphones to lasers. Discover how these elements are essential for green technologies, quantum computers and more.
1 lut 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).
Learn about rare earth magnets, the strongest permanent magnets made from neodymium and samarium cobalt. Compare their attributes, advantages, disadvantages and common uses in business and consumer applications.
5 sty 2024 · According to DOE projections, US demand for these rare earth magnets is set to more than quadruple by 2050. This is partly because of improved industrial technologies, says Noveon’s chief ...
1 sty 2012 · Learn about the characteristics, fabrication and uses of rare-earth magnets based on SmCo5, Sm2(Co,Fe,Cu,Zr)17 and Nd2Fe14B compounds. These magnets are critical for electrical machines, renewable energy and hybrid electric vehicles.
Learn how two researchers independently discovered the neodymium–iron–boron magnet, the most powerful permanent magnet in the world, in 1982. Find out how it revolutionized the production of motors, hard disk drives, and other devices, and what are its current challenges and applications.
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