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6 Zn-Al涂层样品在20%NH4NO3溶液中不同时间腐蚀后的形貌
Fig.6 Photo-digital images of Zn-Al coating samples after different time corrosion tests with 20%NH4NO3