Structure and magnetic properties of Fe-based glassy alloys

被引：15

作者：

Mizushima, T ^{[1
]}

Makino, A ^{[1
]}

Inoue, A ^{[1
]}

机构：

[1] TOHOKU UNIV,INST MAT RES,AOBA KU,SENDAI,MIYAGI 980,JAPAN

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1997年 / 226卷

关键词：

ferromagnetic glassy alloy; rapid solidification; wide supercooled liquid region; soft magnetic property; sample thickness;

D O I：

10.1016/S0921-5093(96)10717-6

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A multicomponent Fe73Al5Ga2P11C5B4 alloy has a wide supercooled liquid region before crystallization and ferromagnetism at room temperature. Structure and magnetic properties of melt-spun Fe73Al5Ga2P11C5B4 alloys with the thickness from 15 to 230 mu m were investigated. The critical thickness for Fe based glassy alloy to maintain single amorphous phase is about 135 mu m. Saturation magnetization (sigma(s)), coercive force (H-c) and effective permeability (mu(c)) at 1 kHz indicate constant value, 1.8 x 10(-4) Wbm kg(-1), 3 A m(-1) and 8000 respectively, with the sample thickness of 135 mu m. The magnetic properties of Fe based glassy alloy annealed at 773 K for 600 s are compared with that of Fe78Si9B13 amorphous alloy. It is expected that the Fe based glassy alloy will be amorphous bulk material which has good soft magnetic properties. (C) 1997 Elsevier Science S.A.

引用

页码：721 / 725

页数：5

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