首页|Design and fabrication of Nd-Fe-B magnet with excellent thermal stability
Design and fabrication of Nd-Fe-B magnet with excellent thermal stability
扫码查看
点击上方二维码区域，可以放大扫码查看
原文链接
NETL
NSTL
万方数据
A novel Nd-Fe-B type permanent magnet with excellent thermal stability was designed by Co replacing Fe in the main phase and the grain boundary phase.The remanence and coercivity temperature coef-ficient reach 0.058％/℃ and 0.465％/℃ in the temperature range from 25 to 100 ℃,which are much lower than those of commercial Nd-Fe-B magnet.An enhanced Curie temperature is obtained for the novel magnet due to the Co substitution,which significantly improves the operating temperature.The microstructure result reveals that an amorphous phase exists in the intergranular grains which is probably responsible for the deterioration of intrinsic coercivity.This work can provide a reference for the design and optimization of components of sintered Nd-Fe-B magnets with excellent thermal stability.
Thermal stabilityRemanence temperature coefficientOperating temperatureAtomic substitutionRare earths
NETL
NSTL
万方数据
