经历三代的稀土永磁体发展至今,第三代稀土永磁体(NdFeB)的磁能积已接近其理论极限值,满足不了高技术提出的更高要求.而交换耦合纳米合成材料(R2Fe14B/软磁相)的研究工作尚未取得重大突破.综述了稀土永磁体发展历史和目前其前沿研究动态,同时针对纳米合成材料的难点进行讨论,并提出克服困难的思路.
参考文献
| [1] | Kneller E.F.;Hawig R. .The exchange-spring magnet: a new material principle for permanent magnets[J].IEEE Transactions on Magnetics,1991(4):3588-3560. |
| [2] | Strnat K J .A family of new cobalt-base permanent magnet materials[J].Journal of Applied Physics,1967,38(03):1001-1002. |
| [3] | Ray E;Strnat K J .Easy directions of magnetization in ternary R2(Co,Fe)17 phases[J].IEEE Transactions on Magnetics,1972,8(03):516-518. |
| [4] | Sagawa M .Permanent magnet materials based on the rare earth-iron-boron tetragonal compounds[J].IEEE Transactions on Magnetics,1984,20(05):1584-1589. |
| [5] | Matsuura Y .Recent development of Nd-Fe-B sintered magnets and their applications[J].Journal of Magnetism and Magnetic Materials,2006(2):344-347. |
| [6] | 徐光宪.稀土[M].北京:冶金工业出版社,1995:11,26. |
| [7] | Meiklejohn W H;Bean C P .Modification of the exchange bias effect by He ion irradiation[J].Physical Review,1956,102:1413. |
| [8] | 钟文定.铁磁学[M].北京:科学出版社,2000:236. |
| [9] | Pal M;Chakravorty D .Nanocrystalline magnetic alloys and ceramics[J].Shadana,2003,28(1-2):283-297. |
| [10] | 李保卫,李永利,岳明,张久兴.Nd2Fe14B/α-Fe纳米复合永磁的制备和性能[J].材料研究学报,2007(03):319-323. |
| [11] | Croat J J;Herbst J F;Lee R W et al.Pr-Fe and Nd-Fe-based materials:a new class of high-performance permanent magnets(invited)[J].Journal of Applied Physics,1984,55(06):2078-2082. |
| [12] | Choong Jin Yang;Ranjan Ray .Development of texture in extruded Fe-Nd-B magnets[J].Journal of Applied Physics,1988,64(10):5296-5298. |
| [13] | Clements G B;Keem J E;Bradley J P .The microstructural and compositional influence upon HIREM behavior in Nd2Fe14B[J].Journal of Applied Physics,1988,64(10):5299-5301. |
| [14] | Manaf A;Buckley R A;Davies H A et al.Enhanced magnetic properties in rapidly solidified Nd-Fe-B based alloys[J].Journal of Magnetism and Magnetic Materials,1991,101(1-3):360-362. |
| [15] | Bauer J.;Zern A.;Kronmuller H.;Seeger M. .NANOCRYSTALLINE FENDB PERMANENT MAGNETS WITH ENHANCED REMANENCE[J].Journal of Applied Physics,1996(3):1667-1673. |
| [16] | Chang WC.;Wu SH.;Ma BM.;Chen Q.;Bounds CO.;Chiou DY. .The effect of boron and rare earth contents on the magnetic properties of La and Cr substituted alpha-Fe/R2Fe14B-type nanocomposites[J].Journal of Applied Physics,1998(11 Pt.2):6271-6273. |
| [17] | Zhang W.;Inoue A. .Influence of ribbon thickness on the formation and magnetic properties of melt-spun Fe-Co-Nd-Dy-B metallic glasses[J].Journal of Applied Physics,2001(2):1509-1511. |
| [18] | Jung-Ho Park;Dae-Hoon Lee;Taesuk Jang .Magnetic properties of Nd2Fe14B/α-Fe nanocomposite alloys[J].Journal of Ceramic Processing Research,2002,3(02):57-61. |
| [19] | Y. Q. Wu;D. H. Ping;X. Y. Xiong;K. Hono .Magnetic properties and microstructures of α-Fe/Nd_(2)Fe_(14)B nanocomposite microalloyed with Zr[J].Journal of Applied Physics,2002(10):8174-8176. |
| [20] | D. Lee;J. S. Hilton;S. Liu;Y. Zhang;G. C. Hadjipanayis;C. H. Chen .Hot-Pressed and Hot-Deformed Nanocomposite (Nd,Pr,Dy)_(2)Fe_(14)B/α-Fe-based Magnets[J].IEEE Transactions on Magnetics,2003(5):2947-2949. |
| [21] | Liu Shiqiang et al.Anisotropic nanocomposite rare earth permanent and method of making[P].US 20060005898,2006-01-12. |
| [22] | 计齐根,都有为.磁场热处理对Nd2Fe14B/α-Fe纳米材料磁性和微磁结构的影响[J].材料科学与工艺,2000(04):22-25. |
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