Project(50071035) supported by the National Natural Science Foundation of China; Project(02ZE14054) supported bythe Natural Science Foundation of Shanghai; China
The microstructure of an explosively compacted Nd-Fe-B permanent magnet(Nd-Fe-B) was investigated by means of TEM and XRD. It is shown that there are three kinds of phases: Nd2Fe14B matrix phase, O-rich phases and N...