Before the discovery of the neodymium magnet, the strongest permanent magnet was the samarium–cobalt magnet, which was based on the Sm 2 Co 17 intermetallic phase. However, samarium is expensive ...
The amount of magnetic energy packed into these tiny ... which include the rare-earth metals like samarium, neodymium, and praseodymium. Ferromagnetic elements tend to have unpaired electrons ...
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Electron Energy Corporation Joins Magnetic HoldingsThis move brings together leading permanent magnet firms with complementary capabilities. The Walmer family, who founded EEC in 1970 as the world’s first manufacturer of samarium cobalt magnets ...
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