Nd90Al10 晶界调控对晶界扩散磁体磁性能和微观结构的影响
刘路军, 刘政, 刘仁辉, 刘永

Grain Boundary Structure and Coercivity Enhancement of Nd90Al10 Alloy Modified NdFeB Permanent Magnets by GBD Process
LIU Lujun, LIU Zheng, LIU Renhui, LIU Yong
图4 AG和AMG磁体距表面不同深度的微观形貌
Fig.4 BSE images of microstructures of AG (a1-a4) and AMG (b1-b4) magnets with different depths from surface (1: Nd2Fe14B, 2: Nb-rich phse, 3: Tb-rich shell)
(a1, b1) 20 μm (a2, b2) 100 μm (a3, b3) 500 μm (a4, b4) 900 μm