微磁模拟在NdFeB磁体中的应用进展  

Application Progress of Micromagnetic Simulation in NdFeB Permanent Magnets

作　　者：苑子凯 滕艾均 黄召阔 郭函 王佳乐 王鹏 王雨薇 YUAN Zikai;TENG Aijun;HUANG Zhaokuo;GUO Han;WANG Jiale;WANG Peng;WANG Yuwei(Ansteel Beijing Research Institute Co.,Ltd.,Beijing 102200,China;Tianjin Fire Science and Technology Research Institute of MEM,Tianjin 300381,China)

机构地区：[1]鞍钢集团北京研究院有限公司,北京102211 [2]应急管理部天津消防研究所,天津300381

出　　处：《鞍钢技术》2025年第2期19-29,共11页Angang Technology

基　　金：鞍钢集团重大课题项目资助(2023BJB-02PG);天津市应用基础研究多元投入——城市消防项目资助(22JCQNJC01750)。

摘　　要：材料计算在材料学中发挥着重要作用。微磁模拟是材料计算中的重要工具,能够揭示NdFeB磁体的磁性与结构之间的关系,为NdFeB磁体的优化提供良好建议。简要介绍了磁性材料的应用、发展及应用领域,分析目前永磁材料行业面临的问题。重点介绍微磁学模拟理论基础,回顾近些年微磁模拟在NdFeB磁体领域的应用,包括微磁模拟在微观组织优化、双主相磁体设计、纳米复合磁体方面的应用等。讨论了微磁模拟在未来NdFeB永磁材料发展中的重要作用。Materials calculation plays an important role in materials science.Micromagnetic simulation is an important tool in materials calculation,which can reveal the relationship between magnetism and structures of NdFeB permanent magnets and provide useful suggestions for the development of magnetic materials industry.The development and application fields of magnetic materials was briefly introduced,and the current problems that the development of permanent magnetic materials faced were ananlyzed.The theoretical basis of micromagnetics simulation was introduced,the application of micromagnetics simulation in NdFeB magnetic materials field was reviewed including microstructure improvement,dual main phase magnets design and nanocomposite magnets application.The important role of micromagnetic simulation in development of NdFeB permanent magnet materials in the future was discussed.

关 键 词：稀土永磁材料 微磁模拟 NDFEB磁体 矫顽力 

分 类 号：TM273[一般工业技术—材料科学与工程]