Long-term stability of soft magnetic properties of amorphous and nanocrystalline alloys based on iron

被引：9
|
作者：
Madej, L. [1 ]
Haneczok, G. [1 ]
Chrobak, A. [2 ]
Kwapulinski, P. [1 ]
Stoklosa, Z. [1 ]
Rasek, J. [1 ]
机构：
[1] Silesian Univ, Inst Mat Sci, PL-40007 Katowice, Poland
[2] Silesian Univ, Inst Phys, PL-40007 Katowice, Poland
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2008年 / 320卷 / 20期
关键词：
amorphous alloys; nanocrystallization; free volume; magnetic properties;
D O I：
10.1016/j.jmmm.2008.04.105
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present paper long-term stability of magnetic properties of different amorphous and nanocrystalline alloys was studied. Magnetic properties were measured for annealed samples (300 < Ta < 900 K) directly after annealing and after long-term aging at room temperature. It was shown that for the Fe(75.3)Cu(1)Zr(1.7)Si(13)B(9) alloy magnetic permeability of the optimized samples is stable during 8 years aging. For Fe(86-x)Nb(x)B(14) alloys the observed long-term instability (3 years aging) is due to annealing out of free volume leading to formations of small iron clusters coherent with the amorphous surroundings. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：E774 / E777
页数：4
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