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8 轻稀土晶界扩散原理图及不同成分Pr-Al-Cu合金晶界扩散处理前后N50烧结磁体的退磁曲线[52]
Fig.8 Schematic illustration of GBD with light rare earth (a) and demagnetization curves for N50 sintered magnet and the magnets with Pr-Al-Cu diffusion (b)[52]