表层镁合金化NdFeB磁体的制备及其耐腐蚀性能

冉仁豪, 单慧琳, 张鹏杰, 汪冬梅, 斯佳佳, 徐光青, 吕珺

Preparation and Corrosion Resistance of Surface Mg-alloying NdFeB Magnets

RAN Renhao, SHAN Huilin, ZHANG Pengjie, WANG Dongmei, SI Jiajia, XU Guangqing, LV Jun

表2 NdFeB及经不同条件扩散的NdFeB(Mg)样品的增重MG和增重速率VG

Table 2 MG and VG values of NdFeB and various NdFeB(Mg) specimens

Specimens MG / mg·cm-2 VG / mg·cm-2·h-1 NdFeB 0.60 1.20 × 10-3 NdFeB(Mg)-500-105 0.51 1.02 × 10-3 NdFeB(Mg)-550-105 0.34 0.68 × 10-3 NdFeB(Mg)-600-105 0.45 0.9 × 10-3 NdFeB(Mg)-550-90 0.44 0.88 × 10-3 NdFeB(Mg)-550-120 0.39 0.78 × 10-3