1∶12型稀土铁基永磁材料研究进展  

Recent research progress of 1:12 type rare earth iron-based permanent magnet material

作　　者：徐成 杨潇 李双峰 刘青山 崔云鹏 张明[1] 袁涛[1] 王敬东[1] XU Cheng;YANG Xiao;LI Shuang-feng;LIU Qing-shan;CUI Yun-peng;ZHANG Ming;YUAN Tao;WANG Jing-dong(Southwest Institute of Applied Magnetics,Mianyang 621000,China)

机构地区：[1]西南应用磁学研究所,四川绵阳621000

出　　处：《磁性材料及器件》2023年第4期107-119,共13页Journal of Magnetic Materials and Devices

摘　　要：作为下一代稀土永磁的候选材料,1:12型稀土铁基永磁合金(RFe_(12),R=Sm,Nd)具有高内禀磁性、优异的温度稳定性及较少的稀土含量,目前受到了广泛的关注。综述了1:12型稀土铁基永磁材料最新的研究进展,详细介绍了1:12相的晶体结构及多原子取代体系的内禀磁性及技术磁性,总结了不同类型的1:12型稀土铁基永磁材料研制的技术特点及成果,并提出了后续研究中需解决的关键问题及研究方向。As a candidate material for next-generation rare earth permanent magnet,1:12 type rare earth iron-based permanent magnet alloys(RFe_(12),R=Sm,Nd)have high intrinsic magnetic properties,excellent temperature stability and less rare earth usage,receiving extensive attention and research.This article reviews the recent progress of 1:12 type rare earth iron-based permanent magnet material(PMM).Logically,this article introduces the crystal structure of the 1:12 phase and the intrinsic and extrinsic magnetic properties of the phase with atomic substitution in detail.According to the different technological approach for 1:12 type rare earth iron-based PMM,the characteristics and achievements of four material types are summarized,and the key problems and research directions in the following research are proposed.

关 键 词：1:12型稀土铁基永磁材料 内禀磁性 技术磁性 薄膜 粉体 永磁体 

分 类 号：TM273[一般工业技术—材料科学与工程]