采用电化学方法在NdFeB磁粉表面沉积6种组合的单层或双层纳米厚度的金属层,测试了包覆磁粉的电极电位和磁性能,包覆磁粉制备的粘结磁体的电阻率.磁粉电极电位表现为NdFeB和沉积金属的混合电位.磁粉的磁性能变化与沉积金属的性质有关.磁体电阻率表现为NdFeB和沉积金属的混合电阻率,沉积Zn/Ni双金属层的样品电阻率异常地增加,其矫顽力和最大磁能积均有不同程度的降低.
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