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9 样品在20%NH4NO3溶液中浸泡不同时间后的Nyquist图和bode图

Fig.9 Nyquist (a) and Bode (b, c) diagram of the sample in 3.5%NaCl solution after soaking in 20%NH4NO3 for different time