By using sub -overquenching and ann ealing methods,the effect of quench ing rates on the microstructure and the magnetic pro perties of(Nd,Pr ) 10.5 (FeCoZr ) 83.5 B 6 bonded composite magnets with low rare -earths content was investi gated.

• 采用部分过快淬加后续晶化退火处理工艺；研究了快淬速度对低稀土含量双相复合(Nd；Pr)10.；5(FeCoZr)83