Магнитные композиты на основе эпоксидной смолы с магнитными микро- и наночастицами оксида железа: фокус на магнитное детектирование

Физика твердого тела Pub Date : 2023-01-01 DOI:10.21883/ftt.2023.07.55829.22h

Г.Ю. Мельников, В. Н. Лепаловский, Александр Петрович Сафронов, И. В. Бекетов, А.В. Багазеев, Д. С. Незнахин, Г. В. Курляндская

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Abstract

Magnetic and structural properties iron oxide micro- and nanoparticles and composites based on epoxy resin at different mass concentrations of particles are investigated (0, 5, 10, 30%). Commercial Alfa Aesar microparticles and nanoparticles obtained by electric explosion of wire with different dispersion parameters were compared. Magnetoimpedance detection of stray magnetic fields of the obtained composites in the form of cylinders using a strip multilayer film element [FeNi/Cu]5/Cu/[FeNi/Cu]5 was carried out. It is shown that it is possible to determine the position of filled magnetic composites at different mass concentrations of magnetic micro- or nanoparticles with different parameters of dispersion of the ensemble using magnetoimpedance detection. Ключевые с

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环氧树脂磁性复合材料，具有磁性微纳米氧化铁微粒和纳米微粒:磁性探测的焦点

研究了不同颗粒质量浓度(0、5、10、30%)下氧化铁微粒子、纳米粒子和环氧树脂基复合材料的磁性和结构性能。对不同分散参数的金属丝电爆制备的α - Aesar微粒子和纳米粒子进行了比较。采用带状多层膜元件[FeNi/Cu]5/Cu/[FeNi/Cu]5对制备的圆柱形复合材料进行了杂散磁场的磁阻抗检测。结果表明，在不同质量浓度的磁性微粒子和不同色散参数下，利用磁阻抗检测可以确定填充的磁性复合材料的位置。Ключевыес

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Физика твердого тела

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