钕铁硼永磁晶界扩散技术和理论发展的几个问题
刘仲武, 何家毅

Several Issues on the Development of Grain Boundary Diffusion Process for Nd-Fe-B Permanent Magnets
LIU Zhongwu, HE Jiayi
图11 Pr7.03Nd21.84Ho2(Fe, M)balB0.95磁体和在不同方向进行DyHx扩散后磁体的退磁曲线[64]
Fig.11 Demagnetization curves of Pr7.03Nd21.84Ho2(Fe, M)balB0.95 magnets with and without DyHx diffusion (Curves (a) as-sintered magnet, (b) annealed without diffusion, (c) diffused perpendicular to the c-axis, and (d) diffused along the c-axis)[64]