RFe12基稀土永磁材料的研究进展
Recent Advances in RFe12-Based Permanent Magnets
DOI: 10.12677/MS.2022.124028, PDF,    科研立项经费支持
作者: 郭家瑞, 王亚娜, 宋文鹏, 郑立允, 黄光伟*：河北工程大学材料科学与工程学院，河北 邯郸；河北省稀土永磁材料与应用工程研究中心，河北 邯郸
关键词: 永磁材料；ThMn12；块体；磁性能；Permanent Magnets； ThMn12； Bulk； Magnetic Properties
摘要: 为了实现社会的可持续发展，响应“双碳”目标的号召，助力“双碳”目标的达成，迫切需要具有低CO2或无CO2排放的绿色技术。永磁材料作为绿色技术的关键材料被广泛应用于风力发电、轨道交通、人工智能等技术领域。为了提高这些技术在应用过程中的电力转换效率，需要一种比NdFeB永磁材料性能更优异的永磁材料。具有ThMn12晶体结构的RFe12 (R为稀土元素，一般为Sm)基化合物即是有潜力满足当前绿色技术发展的永磁材料。本文将对RFe12基稀土永磁材料的相稳定性、磁性能，RFe12基薄膜、粉体及块体磁体的研究进展进行综述。最后，结合目前RFe12基稀土永磁材料的研究现状，提出一种适合于块体RFe12基稀土永磁材料制备的技术手段并对其进行探讨。
Abstract: In order to realize sustainable development of the society, respond to the call of the “dual carbon” goal and help achieve the “dual carbon” goal, green technologies with low or no CO2 emissions are urgently needed. As the key material of green technologies, permanent magnetic materials are widely used in wind power generation, rail transit, artificial intelligence and other technical fields. In order to enhance the power conversion efficiency of these technologies in the application process, a new type of permanent magnetic material with better performance than NdFeB permanent magnetic material is urgently needed. RFe12 (R stands for rare earth elements, usually Sm) based compound with ThMn12 crystal structure is a permanent magnetic material that has the potential to meet the development of current green technologies. In this review, the phase stability and magnetic properties of RFe12-based rare earth permanent magnetic materials, as well as the research progress of RFe12-based thin films, powders and bulk magnets are reviewed. Finally, according to the current research status of RFe12-based rare earth permanent magnetic material, a novel technology suitable for the preparation of bulk RFe12-based rare earth permanent magnet material is proposed and discussed.
文章引用：郭家瑞, 王亚娜, 宋文鹏, 郑立允, 黄光伟. RFe12基稀土永磁材料的研究进展[J]. 材料科学, 2022, 12(4): 269-282. https://doi.org/10.12677/MS.2022.124028

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