Nd-Y-Fe-B永磁合金研究进展
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摘要
随着Nd-Fe-B磁体的快速发展,合理利用La、Ce、Y等相对廉价稀土来降低生产成本具有重大的研究意义。研究Y在Nd-Y-Fe-B中添加对其磁性能的影响,有助于其他新兴磁体的发展。综述了Y替代Nd或者Fe对稀土永磁材料磁性能的影响,包括:Nd-Y-Fe-B合金本征磁性能、Nd-Y-Fe-B烧结磁体的磁性、Nd-Y-Fe-B纳米晶磁体的宏观磁性和微观结构。
With the rapid development of Nd-Fe-B magnets,it is of great significance to make rational use of relatively cheap rare earth elements such as La,Ce,Y to reduce production costs. Studying the influence of Y substitution on the magnetic properties of Nd-Y-Fe-B magnets is helpful to the development of other novel magnets. The effects of Y substitution for Nd or Fe on the magnetic properties of rare earth permanent magnet materials were summarized,including the intrinsic magnetic properties of Nd-Y-Fe-B alloy,the magnetic properties of Nd-Y-Fe-B sintered magnet,and the magnetic properties and microstructure of Nd-Y-Fe-B nanocrystalline magnet.
With the rapid development of Nd-Fe-B magnets,it is of great significance to make rational use of relatively cheap rare earth elements such as La,Ce,Y to reduce production costs. Studying the influence of Y substitution on the magnetic properties of Nd-Y-Fe-B magnets is helpful to the development of other novel magnets. The effects of Y substitution for Nd or Fe on the magnetic properties of rare earth permanent magnet materials were summarized,including the intrinsic magnetic properties of Nd-Y-Fe-B alloy,the magnetic properties of Nd-Y-Fe-B sintered magnet,and the magnetic properties and microstructure of Nd-Y-Fe-B nanocrystalline magnet.
引文
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[23]CHEN Z,LUO J.Effect of yttrium substitution on magnetic properties and microstructure of Nd-Y-Fe-B nanocomposite magnets[J].Journal of Rare Earths,2010,28(2):277.
[2]LI Y F,ZHU M G,LI A H,et al.Relationship between controllable preparation and microstructure of NdFeB sintered magnets[J].Journal of Rare Earths,2014,32(7):628.
[3]ZHU M,FANG Y,GUO Y,et al.Study of magnetic microstructures of Nd-Fe-B casting strips by using magnetic force microscope[J].Journal of Magnetism&Magnetic Materials,2004,282(1):180.
[4]李安华,张月明.烧结Nd-Fe-B磁体的力学性能研究进展及前景展望[J].金属功能材料,2016,23(2):1.
[5]黄伟玲,王忠峰.NdFeB废料浸出工艺研究及浸出设备设计[J].粉末冶金工业,2016,26(6):71.
[6]秦万忠.压机对粘结NdFeB磁体质量的影响[J].粉末冶金工业,2015,25(6):72.
[7]李建,周磊,刘涛,等.高Dy含量烧结Nd-Fe-B的晶界扩散处理研究[J].粉末冶金工业,2014,24(5):33.
[8]ZHU M,LI W,WANG J,et al.Influence of Ce content on the rectangularity of demagnetization curves and magnetic properties of Re-Fe-B magnets sintered by double main phase alloy method[J].IEEE Transactions on Magnetics,2013,50(1):1.
[9]HUANG S L,FENG H B,ZHU M G.Optimal design of sintered Ce9Nd21FebalB1magnets with a low-melting-point(Ce,Nd)-rich phase[J].International Journal of Minerals Metallurgy and Materials,2015,22(4):417.
[10]黄书林.含Ce磁体微结构与磁性能的研究[D].北京:钢铁研究总院,2015.
[11]郑蒙.钕钇铁硼快淬带的磁性与微结构[D].北京:钢铁研究总院,2017.
[12]钟淑伟,杜君峰,庞再升,等.Y取代量对双主相Nd-Y-Fe-B磁体性能与微观组织的影响[J].金属功能材料,2017,24(5):32.
[13]ZHANG Z D,HUANG Y K.Magnetic properties of(Nd,Y)2Fe14B and(Nd,Gd)2Fe14B[J].Journal of the Less Common Metals,1989,152:67.
[14]Cadogan J M,LI H S.Analysis of the unusual temperature dependence of the anisotropy constant K1of Y2Fe14B[J].Journal of Magnetism and Magnetic Materials,1992,110(1):L15.
[15]Givord D,LI H S.Polarized neutron study of the compounds Y2Fe14B and Nd2Fe14B[J].Journal of Applied Physics,1985,57(8):4100.
[16]Bara J J,Bogacz B F.Crystal and magnetic properties of Y2(Fe1-xMx)14B(M=Cu or Cr)compounds[J].Journal of Magnetism and Magnetic Materials,1992,111(1/2):39.
[17]王发立,张茂才.Gd、Y含量对烧结钕铁硼永磁体磁性能的影响[J].金属功能材料,2009,16(2):5.
[18]孟凡伟.添加钆及钇的钕铁硼永磁材料制备工艺研究[D].南昌:江西理工大学,2009.
[19]PENG B,MA T,ZHANG Y,et al.Improved thermal stability of Nd-Ce-Fe-B sintered magnets by Y substitution[J].Scripta Materialia,2017,131:11.
[20]Fischer R,Kronmüller H.The role of grain boundaries in nanoscaled high-performance permanent magnets[J].Journal of Magnetism and Magnetic Materials,1998,184(2):166.
[21]TAO S,MA T Y.Nd5Fe64B23Mo4Y4bulk nanocomposite permanent magnets produced by crystallizing amorphous precursors[J].Journal of Non-Crystalline Solids,2012,358(6/7):1028.
[22]TAN X H,XU H.Magnetic properties of Fe-Co-Nd-Y-B magnet prepared by suction casting[J].Journal of Non-Crystalline Solids,2007,353(4):410.
[23]CHEN Z,LUO J.Effect of yttrium substitution on magnetic properties and microstructure of Nd-Y-Fe-B nanocomposite magnets[J].Journal of Rare Earths,2010,28(2):277.