Soft-Magnetic Fe-Based Nano-Crystalline Thick Ribbons

被引：8

作者：

Lee, Mou-Chen ^{[2
]}

Lin, Chih-Yuan ^{[2
]}

Wang, Shuo-Hong ^{[2
]}

Chin, Tsung-Shune ^{[1
]}

机构：

[1] Feng Chia Univ, Dept Mat Sci & Engn, Taichung 40724, Taiwan

[2] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 30013, Taiwan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2008年 / 44卷 / 11期

关键词：

Fe-based thick ribbon; magnetic losses; nano-crystalline; soft-magnetic;

D O I：

10.1109/TMAG.2008.2001496

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Fe-based nano-crystalline thick ribbons (up to 150 mu m) with excellent soft magnetic properties were developed in Fe71B22TaxY6-xAg1 alloys (x = 1 similar to 5) alloys. The design of these Fe-based alloys was based on a ternary bulk metallic glass (BMG) Fe-B-Y system; Ta and Ag were added to achieve optimal nano-crystallization and to improve soft magnetic properties. An optimal composition Fe71B22Ta5Y1Ag1 was worked out showing good glass forming ability, and sound soft magnetic properties after nano-crystallization at 615 degrees C for 5 min: saturation magnetization 1.44 T (152 emu/g), coercivity 35 A/m, and effective permeability at 1 kHz higher than 28000. The nanocrystalline Fe23B6 phase was found to be magnetically soft in these thick ribbons.

引用

页码：3836 / 3838

页数：3

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