Using Samarium Cobalt Magnets
Neodymium Iron Boron magnets have some advantages over Samarium Cobalt magnets. Neodymium Iron Boron magnets are less expensive, since the main elements Nd and Fe are abundant, and are mechanically stronger. High energy products can be achieved (MCE offers materials as high as 55 MGOe, see N5563). Small production runs have successfully yielded 58 MGOe nominal energy products; however, these are only achievable in the R&D state. Neodymium Iron Boron magnets are about 13% lighter than SmCo magnets.