danДоклады Национальной академии наук БеларусиDoklady of the National Academy of Sciences of Belarus1561-83232524-2431The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8323-2023-67-6-508-516dan-1167Research ArticleТЕХНИЧЕСКИЕ НАУКИTECHNICAL SCIENCESСтруктура, электромагнитные свойства Fe-содержащих магнитных композитов и их практическое применениеStructure, soft magnetic properties of Fe-based magnetic composites and its practical applicationhttps://orcid.org/0000-0002-6201-6281ДемиденкоО. Ф.DemidenkoO. F.

Демиденко Ольга Федоровна – канд. физ.-мат. наук, вед. науч. сотрудник.

Ул. П. Бровки, 19, 220072, Минск

Demidenko Olga F. – Ph. D. (Physics and Mathematics), Leading Researcher.

19, P. Brovka Str., 220072, Minsk

orion_minsk@tut.byhttps://orcid.org/0000-0003-1900-0564ЖелудкевичА. Л.ZhaludkevichA. L.

Желудкевич Александр Ларионович – канд. физ.-мат. наук, заведующий лабораторией.

Ул. П. Бровки, 19, 220072, Минск

Zhaludkevich Aliaksandr L. – Ph. D. (Physics and Mathematics), Head of the Laboratory.

19, P. Brovka Str., 220072, Minsk

zheludkevich27@gmail.comЛаринА. О.LarynA. O.

Ларин Артем Олегович – научный сотрудник.

Ул. П. Бровки, 19, 220072, Минск

Laryn Artsiom O. – Researcher.

19, P. Brovka Str., 220072, Minsk

new_a-larin@mail.ruГоворГ. А.GovorG. A.

Говор Геннадий Антонович – д-р физ.-мат. наук, профессор, вед. науч. сотрудник. НПЦ НАН Беларуси по материаловедению (

Ул. П. Бровки, 19, 220072, Минск

Govor Gennady A. – D. Sc. (Physics and Mathematics), Professor, Leading Researcher.

19, P. Brovka Str., 220072, Minsk

govor@physics.byХайбоСуньHaiboSun

Сунь Хайбо – д-р наук, доцент.

18 Jiangwan 1st Rd, Chancheng Qu, Фошань 528000

Sun Haibo – D. Sc., Associate Professor.

18 Jiangwan 1st Rd, Chancheng Qu, Foshan 528000

sunmyseven@126.comДунчуЧенDongchuChen

Чен Дунчу – доктор наук, декан.

18 Jiangwan 1st Rd, Chancheng Qu, Фошань 528000

Chen Dongchu – D. Sc., Dean.

18 Jiangwan 1st Rd, Chancheng Qu, Foshan 528000

Chendc@fosu.edu.cnЯнкевичС. Н.YankevichS. N.

Янкевич Степан Николаевич – заместитель генерального директора.

Ул. Ф. Скорины, 52, 220141, Минск

Yankevich Stsiapan N. – Deputy Director General for Innovation.

52, F. Skorina Str., 220141, Minsk

nio@optron.byНаучно-практический центр Национальной академии наук Беларуси по материаловедениюScientific and Practical Material Research Center of the National Academy of Sciences of BelarusШкола материаловедения и водородной энергетики Фошаньского университетаSchool of Materials Science and Hydrogen Energy, Foshan UniversityОАО «Приборостроительный завод «Оптрон»JSC “Instrument-Making Plant “Optron”202307012024676508516Copyright © Демиденко О.Ф., Желудкевич А.Л., Ларин А.О., Говор Г.А., Хайбо С., Дунчу Ч., Янкевич С.Н., 20242024Демиденко О.Ф., Желудкевич А.Л., Ларин А.О., Говор Г.А., Хайбо С., Дунчу Ч., Янкевич С.Н.Demidenko O.F., Zhaludkevich A.L., Laryn A.O., Govor G.A., Haibo S., Dongchu C., Yankevich S.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://doklady.belnauka.by/jour/article/view/1167

Разработана многостадийная методика нанесения изоляционных покрытий на частицы металлических порошков с целью создания нового класса магнитомягких материалов с улучшенными характеристиками. Величина плотности, рассчитанная из данных рентгеноструктурного анализа, примерно на 3 % больше, чем непосредственно измеренных значений, которые составляют 7,4–7,45 г/см3. Низкая пористость композитов подтверждается результатами SEM и EDX. Предложенный метод капсулирования порошка железа оксидным слоем является высокоэкономичным методом для нанесения покрытий различного химического состава на металлические порошки и может быть широко использован в практике для получения электротехнических материалов. Проведены комплексные исследования свойств полученных образцов порошковых композиционных материалов на основе железа ABC100.30, частицы которого капсулированы оксидом фосфора. Установлено, что в поле 1,5 Тл потери при частоте 1 кГц снижаются в 10 раз. Синтезированные материалы рекомендуются для использования при разработке различного рода высокочастотных электродвигателей, генераторов, дросселей, магнитопроводов и электродов для ВЧ сварки и других применений.

A multi-stage technique for applying insulating coatings to metal powder particles has been developed in order to create a new class of Fe-based soft magnetic materials with improved characteristics. The density value calculated from the data of X-ray diffraction analysis is approximately 3 % higher than the experimentally measured values, which are 7.4–7.45 g/cm3. The low porosity of the composites is confirmed by the SEM and EDX results. The proposed method of encapsulation of iron powder with an oxide layer is a highly economical method for applying coatings of various chemical compositions to metal powders, and can be widely used in practice to obtain electrical materials. Comprehensive studies of the properties of the obtained samples of powder composite materials based on ABC100.30 iron, the particles of which are encapsulated with phosphorus oxide, have been carried out. It has been established that in a field of 1.5 T, the losses at a frequency of 1 kHz decrease 10 times with an increase in the thickness to 30 nm. The synthesized materials are recommended for use in the development of various types of high-frequency electric motors, generators, chokes, magnetic circuits and electrodes for high-frequency welding and other applications.

Fe-содержащие магнитомягкие композитыизолирующие покрытиякристаллическая структураморфологияэлектромагнитные потеримагнитная проницаемостьFe-based soft magnetic compositesinsulating coatingscrystal structuremorphologyelectromagnetic lostsmagnetic permeabilityРабота выполнена при поддержке программы науки и технологий провинции Гуандун, грант № 2022A0505050082 (концепция и дизайн исследования) и задания 4.1.38 «Разработка и исследование электроизоляционных материалов для статоров обратимых электрических машин на основе железосодержащих капсулированных материалов с заданным направлением магнитного потока» Государственной программы научных исследований «Материаловедение, новые материалы и технологии» на 2021–2025 гг. подпрограммы «Многофункциональные и композиционные материалы» (экспериментальные исследования, методология, интерпретация данных)This research was funded by the Guangdong Provincial Science and Technology Program, Grant no. 2022A0505050082 (Study concept and design) and by the section 4.1.38 “Development and research of electrical insulating materials for stators of reversible electrical machines based on iron-containing encapsulated materials with a given direction of magnetic flux” of the State Scientific Research Program “Materials Science, New Materials and Technologies” for 2021–2025, subprogram “Multifunctional and composite materials” (Experimental investigations, Methodology, Data interpretation)ReferencesPeiseler L., Cabrera Serrenho A. 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The authors declare that there are no conflicts of interest present.