Rare Earth Metals Archives | Stanford Magnets

Are Rare Earth Magnets Really“Rare”? Rare earth permanent magnet is a kind of magnetic material made of an alloy composed of samarium, neodymium mixed rare earth metal, and transition metal (such as cobalt, iron, etc.), pressed and sintered by powder metallurgy, and magnetized by a magnetic field. But are rare earth magnets really“rare”? In this