Research on the bonded hybrid magnets of Nd-Fe-N/Nd-Fe-B prepared by injection molding

In order to manufacture bonded magnet with different magnetic properties to meet the market and extend the application of Nd-Fe-N,the bonded hybrid magnets of Nd-Fe-N/Nd-Fe-B prepared by injection molding and their composite effects were investigated in detail.The results showed that the magnetic properties and the thermal stability performance of bonded hybrid magnet were improved markedly with the addition of Nd-Fe-B in Nd-Fe-N powder,whereas its compressive strength was reduced slightly.And,due to the forceful action of magnetic dipole field produced by Nd-Fe-B powder to the Nd-Fe-N powder dispersed over its surface,the hybrid magnets showed the strengthen effect of remanence obviously.