Magnetic Properties and Applications of Glass-coated Ferromagnetic Microwires

IF 0.8 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Advanced Electromagnetics Pub Date : 2023-11-10 DOI:10.7716/aem.v12i3.2240

Arkady Zhukov, P. Corte-León, M. Ipatov, J. M. Blanco, J. Olivera, A. Zhukov

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Abstract

A remarkable magnetic softness and giant magnetoimpedance (GMI) effect at GHz frequency range havebeen observed in glass-coated microwires subjected to appropriate postprocessing. Co-based microwires present higher GMI effect. Insulating and flexible glass-coating allows use of magnetically soft amorphous glass-coated microwires for stresses or temperature monitoring insmartcomposites using free space facility. Such composites with magnetic microwire inclusions can present tunable magnetic permittivity. We report on in-situ the evolution of the transmission and reflection parameters of the polymer containing magnetic microwire inclusions during the polymerization process. A remarkable change of the reflection and transmission in the range of 4-7 GHz upon the matrix polymerization is observed. Observed dependencies are discussed in terms of the effect of the temperature and stresses variation on magnetic properties of glass-coated microwires during the thermoset matrix polymerization. Obtained results are considered as a base for novel sensing technique allowing non-destructive and non-contact monitoring of the composites utilizing ferromagnetic glass-coated microwire inclusions with magnetic properties sensitive to tensile stress and temperature.

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玻璃包覆铁磁微线的磁性能及应用

经过适当的后处理，在GHz频率范围内观察到明显的磁柔软性和巨磁阻抗效应。钴基微丝具有较高的GMI效应。绝缘和柔性玻璃涂层允许使用磁性软的非晶玻璃涂层微线，用于使用自由空间设施的智能复合材料的应力或温度监测。这种含有磁性微丝内含物的复合材料具有可调的介电常数。本文报道了含磁性微线包裹体的聚合物在聚合过程中透射和反射参数的演变。在4 ~ 7 GHz范围内观察到反射和透射的显著变化。讨论了在热固性基体聚合过程中温度和应力变化对玻璃包覆微线磁性能的影响。所获得的结果被认为是一种新型传感技术的基础，该技术允许利用对拉伸应力和温度敏感的铁磁玻璃涂层微丝夹杂物对复合材料进行非破坏性和非接触监测。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advanced Electromagnetics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

2.40

自引率

12.50%

发文量

审稿时长

10 weeks

期刊介绍： Advanced Electromagnetics, is electronic peer-reviewed open access journal that publishes original research articles as well as review articles in all areas of electromagnetic science and engineering. The aim of the journal is to become a premier open access source of high quality research that spans the entire broad field of electromagnetics from classic to quantum electrodynamics.