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1 烧结钕铁硼晶粒结构与晶界扩散示意图
Fig.1 Grain structure of sintered Nd-Fe-B magnets (backscattered electron image) (a) and schematic of grain boundary diffusion (GBD) (b)