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, ‡
       

Microstructure of hot deformed magnets with deformation of (a) 30%, (b) 70%, and (c) 80%. The white arrows represent the easy magnetization direction of the c-axis that is perpendicular to the plane of the platelet grains.[6]