用熔融快淬法制备了FeCuNbSiB非晶纤维,分别在300℃,400℃,450℃,500℃进行了1 h退火处理.用扫描电镜分析了退火前后的纤维表面形貌.用X射线衍射分析了纤维在此温度段的晶化行为,估算其晶粒尺寸约为37 nm.用差示扫描量热仪分析了纤维的晶化温度在530℃左右.若退火温度升高到约700℃时则有其它相析出,使软磁性能恶化.随退火温度的升高,纤维的比饱和磁化强度减小,纳米晶相体积分数增大,非晶相减少.对饱和磁化强度的影响占主导地位的是纳米晶相.
参考文献
| [1] | 奚正平,周廉,李建.金属纤维的发展现状和应用前景[J].稀有金属材料与工程,1998(06):317. |
| [2] | Vázquez M .[J].PHYSICA B,2001,299:302. |
| [3] | Ryusuke Hasegawa .[J].Journal of Magnetism and Magnetic Materials,2002,249:346. |
| [4] | Horia Chiriac .Preparation and characterization of glass covered magnetic wires[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(0):166-171. |
| [5] | Raposo V;Garcia D;Zazo M;Flores AG;Iniguez JI .Frequency dependence of the giant magnetoimpedance in current annealed amorphous wires[J].Journal of Magnetism and Magnetic Materials,2004(0):1463-1465. |
| [6] | Giselher Herzer .[J].Scripta Metallurgica,1995,33(10-11):1741. |
| [7] | 陈学定,宋翀旸,俞伟元,胡勇.非晶软磁合金Fe73.5 Cu1Nb3Si13.5 B9的退火处理与性能研究[J].兰州理工大学学报,2004(01):10-14. |
| [8] | Giselher Herzer .[J].IEEE Transactions on Magnetics,1989,25(05):3327. |
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