高性能Sm2Fe17N x 粉体制备的研究进展
何颖, 李超群, 陈小立, 龙芝梅, 赖嘉琪, 邵斌, 马毅龙, 陈登明, 董季玲

Recent Development for Preparation Processes of Sm2Fe17N x Powders with High Magnetic Properties
HE Ying, LI Chaoqun, CHEN Xiaoli, LONG Zhimei, LAI Jiaqi, SHAO Bin, MA Yilong, CHEN Dengming, DONG Jiling
图2 Sm2Fe17N x 粉末球磨前后的比特花样、矫顽力以及含氧量随球磨时间的变化[35]
Fig.2 Bitter patterns of Sm2Fe17N x powders before (a) and after (b) ball milling and Changes of coercivity and oxygen content with ball milling time[35] (c)