Effect of optimized aging processing on properties of the sintered Dy-doped Nd–Fe–B permanent magnet*
Wang Xiao-Lia),b), Zhao Li-Naa), Ding Kai-Hongc), Cui Sheng-Lic), Sun Yong-Congc), Li Mu-Sena)†
       
Schematic diagram of the three point bending test (in unit of mm).