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Characteristics Of Nd-Fe-B Magnets
- Mar 20, 2018 -

Nd-Fe-B magnets have strong magnetocrystalline anisotropy and high saturation magnetization. The permanent magnetic material, sintered Nd-Fe-B magnet with the highest performance, the maximum energy product of commercial products (BH) max=360kJ/m3, but the magnets with lower Curie temperature (314 DEG C), temperature stability and corrosion resistance is poor, limiting the use at high temperature, but also requires the use of protective coating in most cases. The manufacturing processes of NdFeB magnets include powder metallurgy and melt quenching. Because of its excellent magnetic performance, the Nd-Fe-B magnet has been widely applied, mainly for motors, generators, acoustic transducers, sensors, medical devices and magnetic machines.