Rare earth element content in magnet

Neodymium iron boron magnets contain rare earth elements neodymium and dysprosium. Neodymium accounts for 29-32.5%, and dysprosium accounts for 0.6-1.2%. In many applications, the average content of rare earth metals is 31%. Samarium cobalt magnets contain rare earth element samarium (Sm), which accounts for about 23-28%.... ...More>>