研究了具有较低温度系数的稀土永磁体,包括低矫顽力温度系数的Nd2Fe14B/Fe3B-ferrite复合粘结磁体和低剩磁温度系数的Sm0.8RE0.2(CobalFe0.22Cu0.06Zr0.03)7.4(RE为Gd,Er)烧结磁体.实验表明,添加矫顽力温度系数βjHc为正数的铁氧体磁粉可将粘结磁体的矫顽力温度系数值减小.还讨论了固溶处理对2∶17型Sm-Co烧结磁体磁性能的影响以及添加重稀土元素部分替代钐,对提高温度稳定性的作用.
参考文献
| [1] | Betancourt I;Davies H A .Influence of Zr and Nb Depart Additions on the Microstructure and Magnetic Properties of Nanocomposite RE2(Fe,Co)14B/α-(Fe,Co)(RE=Nd-Pr) Alloys[J].Journal of Magnetism and Magnetic Materials,2003,26(01):328-336. |
| [2] | Satoshi H;Hirokozu K;Kanekiyo D et al.High-CoercivityIron-Rich Rare-Earth Permanent Magnet Material Based on(Fe,Co)3B-Nd-M(M= Al,Si,Cu,Ga,Ag,Au)[J].Journal of Applied Physics,1993,73(10):6488-6493. |
| [3] | Schneider G;Henig E T;Stadelmaier H H.The Deutsche Physikalische Gesellschatt eds.Phase Diagram of Fe-Nd-B and the Optimization of the Microstructure of Sintered Magnets[A].Bad Soden,FRG,1987:347-351. |
| [4] | SHI Yong-jin;ZHANG Xiao-li;YI Yi-gang .Influence of Terbium on the Magnetic Properties of the Heat-Resistant NdFeB Permanent Magnet[J].Rare Metal Materlals and Engineering,1999,28(04):236-239. |
| [5] | Chang Ying,MA Nuo,YU Xiaojun,Li Wei,Liu Changsheng,Lian Fazeng.Study on Compound Effect of Bonded Magnets[J].稀土学报（英文版）,2004(z1):96-98. |
| [6] | 喻晓军,常颖,马诺,连法增.Nd2Fe14B/Fe3B基纳米复合粘结磁体的磁特性[J].钢铁研究学报,2004(03):64-67. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%