Progress in recycling of Nd–Fe–B sintered magnet wastes
Yue Ming, Yin Xiaowen, Liu Weiqiang, Lu Qingmei
       

SEM images of the MC and HD regenerated magnetic powders with different size distributions, (a) MC 0 200 μ m , (b) MC 200 450 μ m , (c) MC 450 600 μ m , (d) HD 0 200 μ m , (e) HD 200 450 μ m , (f) HD 450 600 μ m .[33]