Rare earth permanent magnets prepared by hot deformation process
Chen Ren-Jie1, †, Wang Ze-Xuan1, Tang Xu1, Yin Wen-Zong1, Jin Chao-Xiang1, Ju Jin-Yun1, Lee Don2, Yan A-Ru1, ‡
       

(color online) Sketch map of crack propagation along the grain boundary in HD magnets.[89]