烧结辐向整体稀土永磁环的研究进展  

Research process on sintered radial integral rare-earth permanent magnet rings

作　　者：陈红升[1] 董创辉 董生智[1] CHEN Hongsheng;DONG Chuanghui;DONG Shengzhi(Division of Functional Materials,Iron&Steel Research Institute Co.,Ltd,Beijing 100081,China)

机构地区：[1]钢铁研究总院有限公司,北京100081

出　　处：《粉末冶金工业》2024年第5期129-139,共11页Powder Metallurgy Industry

基　　金：国家重点研发计划资助项目(2022YFB3505003)

摘　　要：稀土永磁辐射取向整体磁环是一类重要的永磁材料,广泛应用于高端机电产品、精密测量仪器仪表以及尖端国防装备等领域。辐向整体永磁环制备技术的提升对促进我国先进装备的跨越式发展具有重要意义。本文从磁环材料、制备工艺和取向方式三个方面介绍了稀土整体永磁环的分类和特点。重点围绕烧结稀土辐向整体永磁环的辐向成形工艺和力学特征,阐述了当前的研究进展。这些进展为高性能烧结稀土辐向环技术的发展提供了新的思路。Rare-earth permanent magnet radiation-oriented integral magnetic rings are a crucial type of permanent magnet material,widely utilized in high-end electromechanical products,precision measuring instruments,and advanced defense technologies,among other fields.The advancement of radial integral permanent magnet ring preparation technology is of significant importance for promoting the leapfrog development of China's advanced equipment.This article introduces the classification and characteristics of rare earth integral permanent magnetic rings from three aspects:magnetic ring materials,preparation processes,and orientation methods.It focuses on the current research progress of the radial forming process and mechanical properties of sintered rare earth radial integral permanent magnetic rings.These advancements provide new ideas for the development of high-performance sintered rare earth radial ring technology.

关 键 词：烧结 辐射取向 整体磁环 稀土永磁环 

分 类 号：TM273[一般工业技术—材料科学与工程]