NdFeB permanent magnet and properties of a wide range, how to choose a suitable NdFeB permanent magnet material is directly related to motor performance and economy. The choice of permanent magnet should meet what requirements:
First, NdFeB permanent magnet should be able to work in the development of space needed to generate the magnetic field.
Secondly, NdFeB magnetic field created by permanent magnet should have a certain degree of stability, magnetic properties with temperature and environmental changes should be permitted range.
Third, it has good corrosion resistance.
Fourth, has good mechanical properties, such as toughness, high compressive strength, machinability and so on.
Fifth, the price is reasonable, the economy is good.