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14 原始磁体和Pr-Al-Cu、La-Al-Cu和Al-Cu扩散磁体的极化曲线及其腐蚀后的微观结构[49]
Fig.14 Polarization curves of the original magnet and Pr-Al-Cu, La-Al-Cu, and Al-Cu diffused magnets (a) and their microstructures after corrosion (b-e) (The yellow arrows refer to pits)[49]