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7 重稀土晶界扩散的原理图

Fig.7 Schematic illustration of GBD with HRE (The solid arrows represent the orientation of grains and the dash arrows represent the diffusion of rare earth atoms)