元素添加、工艺优化对双相纳米晶复合永磁材料显微组织及磁性能的影响  

Effects of Elements Addition and Process Optimization on the Microstructure and Magnetic Properties of Two-phase Nanocomposite Permanent Magnets

作　　者：邹汉昌[1] 乔 周寿增[1] 

机构地区：[1]北京科技大学新金属材料国家重点实验室,北京100083

出　　处：《磁性材料及器件》2004年第5期17-20,46,共5页Journal of Magnetic Materials and Devices

摘　　要：从改善磁性能的角度出发,简要地介绍了近年来对双相纳米晶复合永磁材料的研究进展。从双相纳米晶复合永磁材料的制备工艺、元素添加、显微组织、磁性能等方面进行了归纳,表明:优良的显微结构是获得高性能双相纳米晶永磁材料的关键,通过元素添加或改善工艺可以优化组织,提高双相纳米晶复合永磁材料的磁性能。Recent development of nanostructure two-phase permanent magnets is reviewed from the point of improvement of magnetic properties. A conclusion is drawn by the investigation of the preparation process, elements addition, microstructure and magnetic properties of nanocomposite permanent magnets: uniform nanoscale microstructure is a key factor to guarantee excellent magnetic properties, and the elements addition and /or optimization of process contribute to finer microsturcture and high magnetic properties.

关 键 词：纳米晶复合永磁材料 交换耦合 元素添加 工艺优化 显微组织 磁性能 

分 类 号：TM273[一般工业技术—材料科学与工程]