烧结NdFeB表面Zn-Al涂层制备及耐腐蚀机理研究
江杰, 姜建军, 杨丽景, 雷步芳, 赵宇, 林建强, 宋振纶

Preparation and Corrosion Resistance of Zn-Al Coating on Sintered NdFeB Permanent Magnet
JIANG Jie, JIANG Jianjun, YANG Lijing, LEI Bufang, ZHAO Yu, LIN Jianqiang, SONG Zhenlun
图8 样品在20%NH4NO3溶液中浸泡不同时间后的极化曲线
Fig.8 Polarization curve of the sample in 3.5%NaCl solution after soaking in 20% NH4NO3 for different time