Engineering of Magnetic Softness and Magnetoimpedance in Fe-Rich Microwires by Nanocrystallization

被引：0
|
作者：
A. Talaat
V. Zhukova
M. Ipatov
J. J. del Val
J. M. Blanco
L. Gonzalez-Legarreta
B. Hernando
M. Churyukanova
A. Zhukov
机构：
[1] UPV/EHU,Departamento de Física de Materiales
[2] UPV/EHU,Departamento de Física Aplicada, EUPDS
[3] Universidad de Oviedo,Departamento de Física
[4] National University of Science and Technology (MISIS),undefined
[5] IKERBASQUE,undefined
[6] Basque Foundation for Science,undefined
来源：
JOM | 2016年 / 68卷
关键词：
Amorphous Wire; Crystalline Volume Fraction; Magnetic Wire; Magnetostriction Coefficient; Metallic Nucleus;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We studied the correlation of magnetic properties, structure, and giant magnetoimpedance (GMI) effect in Finemet-type FeCuNbSiB microwires. We observed that the GMI effect and magnetic softness of glass-coated microwires produced by the Taylor–Ulitovsky technique can be tailored by heat treatment. We observed a considerable magnetic softening of studied microwires after annealing. This magnetic softening correlates with the devitrification of amorphous samples. Amorphous Fe-rich microwires exhibited a low GMI effect (GMI ratio below 1%). Considerable enhancement of the GMI effect (GMI ratio up to 125%) has been observed in heat-treated microwires with a nanocrystalline structure.
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页码：1563 / 1571
页数：8
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