采用计算机模拟的方法计算了纳米晶复合永磁材料的磁性能, 并对软磁相比例对磁性能的影响进行了研究. 结果显示, 当软磁相比例增加时, 由于软磁相高的饱和磁极化强度以及软硬磁相间的交换耦合作用的影响, 剩磁逐渐增加, 但矫顽力则随着软磁相的增加而逐渐下降.
参考文献
[1] | 张静贤,张同俊,崔崑.纳米晶双相复合永磁合金[J].材料导报,2001(04):48-50. |
[2] | Fukunaga H;Inoue H .Effect of intergrain exchange interaction on magnetic properties in isotropic Nd-Fe-B magnets[J].Japanese Journal of Applied Physics,1992,31:1347. |
[3] | H. Fukunaga;N. Kitajima .Computer Simulation of Magnetic Properties of Nano composite Magnets[J].Materials transactions,1996(4):864-869. |
[4] | Schrefl T;Fidler J;Kronmüller H .Remanence and coercivity in isotropic nanocrystalline permanent magnets[J].Physical Review B,1994,49(09):6100. |
[5] | FISCHER R;Schrefl T;Kronmüller H et al.Phase distribution and computed magnetic properties of high-remanent composite magnets[J].Journal of Magnetism and Magnetic Materials,1995,150:329. |
[6] | Fischer R.;Kronmuller H.;Leineweber T. .Fundamental magnetization processes in nanoscaled composite permanent magnets[J].Physical Review.B.Condensed Matter,1998(17):10723-10732. |
[7] | Kronmuller H.;Hertel R.;Leineweber T.;Fischer R. .MICROMAGNETISM AND THE MICROSTRUCTURE IN NANOCRYSTALLINE MATERIALS[J].Journal of Magnetism and Magnetic Materials,1997(1/2):177-192. |
[8] | Griffiths M K;Bishop J E L;Tucker J W et al.Computer simulation of single-phase nanocrystalline permanent magnets[J].Journal of Magnetism and Magnetic Materials,1998,183:49. |
[9] | Manaf A;Al-Khafaji M;Zhang P Z et al.Microstructure analysis of nanocrystalline Fe-Nd-B ribbons with enhanced hard magnetic properties[J].Journal of Magnetism and Magnetic Materials,1993,128:307. |
[10] | Manaf A;Buckley R A;Davies H A .New nanocrystalline high-remanence Nd-Fe-B alloys by rapid solidification[J].Journal of Magnetism and Magnetic Materials,1993,128:302. |
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