Glass-forming ability and magnetic properties of (Fe,Co)-B-Si-Nb bulk glassy alloys

被引：1
|
作者：
Urata, A [1 ]
Amiya, K [1 ]
Inoue, A [1 ]
机构：
[1] Tohoku Univ Lab, RIMCOF, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源：
METASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS | 2005年 / 24-25卷
关键词：
bulk glassy alloy; glass-forming ability; magnetic properties;
D O I：
10.4028/www.scientific.net/JMNM.24-25.535
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The effect of replacement Fe by Co on the glass-forming ability and magnetic properties of (Fe,Co)-B-Si-Nb glassy alloys was investigated. It was found that the glass-forming ability increased with increasing Co content. The maximum diameter for the formation of glassy alloy rod was 2.0 rum for Fe72B20Si4Nb4 and 4.0 mm for (Fe0.5Co0.5)(72)B20Si4Nb4, and their saturation magnetization was 1.22 and 1.10 T, respectively. Moreover, we tried to prepare glassy alloys in plate and ring forms for (Fe0.6Co0.4)(72)B20Si4Nb4 by copper mold casting. The glassy alloy plate of 60 mm in length, 20 mm in width and 1.0 mm in thickness as well as the glassy alloy ring of 15 mm in outer diameter, 10 mm in inner diameter and 1.0 mm in thickness was formed. The glassy ring exhibited good soft magnetic properties with a low coercive force of 1.5 A/m.
引用
收藏
页码：535 / 538
页数：4
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