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利用高频感应加热,对熔体快淬Nd8Fe86B6非晶薄带进行了快速晶化退火,并对退火后薄带的微观组织及磁学性能进行了分析.结果表明,快速加热可使非晶带迅速晶化.加热速度强烈地影响薄带的组织和磁性能.不同的加热速度下,都有一个最佳的得到较高磁学性能的加热时间与它相配合.当加热工艺为: 加热电压5 kV,加热时间10 s时,晶化后的薄带磁性能可达(BH)max=105 kJ·m-3,Br=0.93 T,Hci=258 kA·m-1.

参考文献

[1] Schrefl T;Fidler J;Kronmüller H et al.Remanence and coercivity in isotropic manocrystalline permanent magnets[J].Physical Review B,1994,49(09):6100.
[2] 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.
[3] Skomski R;Coey J M D .Giant energy product in nanostructured two-phase magnets[J].Physical Review B,1993,48(21):15812.
[4] Withanawasam L;Murphy A S;Hadjipanayis G C et al.Nanocomposite R2Fe14B/Fe exchange coupled magnets[J].Journal of Applied Physics,1994,76(10):7065.
[5] Coehoorn R;de Mooij D B;de Waard C .Meltspun permanent magnet materials containing Fe3B as the main phase[J].Journal of Magnetism and Magnetic Materials,1989,80(01):101.
[6] Bauer J.;Zern A.;Kronmuller H.;Seeger M. .NANOCRYSTALLINE FENDB PERMANENT MAGNETS WITH ENHANCED REMANENCE[J].Journal of Applied Physics,1996(3):1667-1673.
[7] YANG C J;Park E B;Hwang Y S et al.The effect of Co on the enhanced magnetic properties of Fe3B/Nd2Fe14B magnets[J].Journal of Magnetism and Magnetic Materials,2000,212:168.
[8] CHEN Z M;Zhang Y;Ding Y Q et al.Studies on magnetic properties and microstructure of melt-spun nanocomposite R8(Fe,Co,Nb)86B6(R=Nd,Pr) magnet[J].Journal of Magnetism and Magnetic Materials,1999,195(02):420.
[9] P. A. I. Smith;J. Ding;R. Street;P. G. McCormick .MECHANICALLY ALLOYED Sm-(Co-Fe) PERMANENT MAGNETS[J].Scripta materialia,1996(1):61-66.
[10] FISCHER R;Schrefl T;Kronmüller H .Grain-size dependence of remanence and coercive field of isotropic nanocrystalline composite permanent magnets[J].Journal of Magnetism and Magnetic Materials,1996,153(01):35.
[11] 包小倩,周寿增,王佐诚,乔袆,张茂才,刘湘华.制备工艺对Pr2Fe14B/α-Fe纳米复合永磁材料组织与磁性的影响[J].中国稀土学报,2003(01):27-30.
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