SmCo vs NdFeB for High Temperature Magnetic Assemblies by Alex Wang Published: October 17, 2026 (3 days ago) Category Business Link smco vs ndfeb for high temperature assemblies Engineering comparison between SmCo (Samarium Cobalt) and NdFeB (Neodymium Iron Boron) permanent magnets for high-temperature OEM motor rotors, sensors, and magnetic couplings operating up to 350°C.