Effect of heating rate during primary crystallization on soft magnetic properties of melt-spun Fe-B alloys

被引：79
|
作者：
Zang, B. [1 ]
Parsons, R. [1 ]
Onodera, K. [2 ]
Kishimoto, H. [2 ]
Kato, A. [2 ]
Liu, A. C. Y. [3 ,4 ]
Suzuki, K. [1 ]
机构：
[1] Monash Univ, Dept Mat Sci & Engn, Clayton, Vic 3800, Australia
[2] Toyota Motor Co Ltd, Mishu Ku, Shizuoka 4101193, Japan
[3] Monash Univ, Monash Ctr Electron Microscopy, Clayton, Vic 3800, Australia
[4] Monash Univ, Sch Phys & Astron, Clayton, Vic 3800, Australia
来源：
SCRIPTA MATERIALIA | 2017年 / 132卷
基金：
澳大利亚研究理事会;
关键词：
Nucleation; Glass transition; Random anisotropy; Coerdvity; Grain size; ULTRAFINE GRAIN-STRUCTURE; HIGH SATURATION MAGNETIZATION; ATOM-PROBE ANALYSIS; GLASS-TRANSITION; METALLIC GLASSES; ZR-B; FIELD; NANOCRYSTALLIZATION; ANISOTROPIES; PHASE;
D O I：
10.1016/j.scriptamat.2017.01.030
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The structural and magnetic properties of amorphous Fe-87 - yB13Cuy (y = 0 to 1.5) annealed with a range of heating rates (a) up to 150 K/s were investigated. The lowest coercivity (H-c) for Fe87B13 after crystallization shows a dramatic decrease from 174 A/m to 6.7 A/m when a is increased from 1.7 K/s to 150 K/s. The coercivity of Fe-87 - yB13Cuy annealed at 150 K/s is reduced by Cu addition and H-c = 3.0 A/m is obtained at y = 1.5. Nano structures with a grain size of 15 to 20 nm were evident in transmission electron micrographs from these rapidly annealed alloys. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：68 / 72
页数：5
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