MAGNETIC-PROPERTIES OF (FE,CO)-B-AL-NB ALLOYS WITH ULTRAFINE GRAIN-STRUCTURE

被引：4
|
作者：
CHO, YS [1 ]
KIM, YB [1 ]
KIM, CS [1 ]
机构：
[1] CHUNGNAM NATL UNIV,DEPT MET ENGN,TAEJON 302764,SOUTH KOREA
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1994年 / 30卷 / 06期
关键词：
D O I：
10.1109/20.334249
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：
The magnetic properties of(Fe,Co)-B-Al-Nb alloys prepared by rapid solidification process have been studied for the development of a new type Fe-based nanocrystalline alloy. Microstructure composed of ultrafine bcc Fe(Co) has been obtained directly from the rapid solidification by adding 10at. % Al to (Fe.Co-85.(15))(80)B-20 alloy. Furthermore, the addition of 2 similar to 6 at.% Nb to (Fe.Co-85.(15))(70)B20Al10 alloy decreases the saturation magnetostriction below 5 ppm. Heat treatment of as-prepared alloys further improves its soft magnetic properties in high frequency range. (Fe.Co-85.(15))(70)B18Al10Nb2 alloy annealed at 400 degrees C for 1 h shows the microstructure composed of ultrafine grains of about 8 nn and the most improved magnetic properties among the prepared alloys.
引用
收藏
页码：4869 / 4871
页数：3
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