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Ferrofluid on glass, with a rare-earth magnet underneath. 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.
In 1973, Orbray developed a 10mm diameter DC coreless motor, the world's smallest at the time, through its research into manufacturing methods for rare-earth magnets and precious metal brushes, along with the acquisition of a patent for coreless winding technology from a German company.
A samarium–cobalt (SmCo) magnet, a type of rare-earth magnet, is a strong permanent magnet made of two basic elements: samarium and cobalt.. They were developed in the early 1960s based on work done by Karl Strnat at Wright-Patterson Air Force Base and Alden Ray at the University of Dayton.
On May 24, 2024, the Biden Administration announced a 25 percent tariff on rare earth magnets from China, set to take effect in 2026. This marks the first time that critical minerals, including rare earth magnets, have been specifically included in the tariffs. [53] Following the tariffs MP Materials put out a statement listing the tariffs.
Chinese manufacturers have become a dominant force in neodymium magnet production, based on their control of much of the world's rare-earth mines. [ 10 ] The United States Department of Energy has identified a need to find substitutes for rare-earth metals in permanent magnet technology and has funded such research.
Pages in category "Rare earth companies" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. A. Arafura Rare Earths;
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