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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vestift</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-технических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physical-technical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8358</issn><issn pub-type="epub">2524-244X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8358-2020-65-1-17-24</article-id><article-id custom-type="elpub" pub-id-type="custom">vestift-576</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАТЕРИАЛОВЕДЕНИЕ, МЕТАЛЛУРГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIALS SCIENCES AND ENGINEERING, METALLURGY</subject></subj-group></article-categories><title-group><article-title>Исследование влияния условий синтеза на магнитные характеристики композиционных материалов на основе порошков железа</article-title><trans-title-group xml:lang="en"><trans-title>Study of the influence of conditions of synthesis on magnetic characteristics of composite materials based on iron powders</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вечер</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Vetcher</surname><given-names>A. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вечер Александр Константинович – старший научный сотрудник, лаборатория физики магнитных материалов</p></bio><bio xml:lang="en"><p>Alexander K. Vetcher – Senior Researcher, Laboratory of Physics of Magnetic Materials</p><p>19, P. Brovka Str., 220072, Minsk</p></bio><email xlink:type="simple">vetcher@physics.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Говор</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Govor</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Говор Геннадий Антонович – доктор физико-математических наук, профессор, главный научный сотрудник, лаборатория физики магнитных материалов</p><p>ул. П. Бровки, 19, 220072, Минск</p></bio><bio xml:lang="en"><p>Gennady A. Govor – Dr. Sc. (Physics and Mathematics), Professor, Сhief Researcher of Laboratory of Physics of Magnetic Materials</p><p>19, P. Brovka Str., 220072, Minsk</p></bio><email xlink:type="simple">govor@physics.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Янушкевич</surname><given-names>К. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Yanushkevich</surname><given-names>K. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Янушкевич Казимир Иосифович – доктор физико-математических наук, заведующий лабораторией физики магнитных материалов</p><p>ул. П. Бровки, 19, 220072, Минск</p></bio><bio xml:lang="en"><p>Kazimir I. Yanushkevich – Dr. Sc. (Physics and Mathematics), Head of the Laboratory of Physics of Magnetic Materials</p><p>19, P. Brovka Str., 220072, Minsk</p></bio><email xlink:type="simple">kazimir@physics.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бердиев</surname><given-names>У. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Berdiev</surname><given-names>U. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бердиев Усан Турдиевич – кандидат технических наук, профессор, заведующий кафедрой «Электрический транспорт и высокоскоростной электроподвижной состав»</p></bio><bio xml:lang="en"><p>Usan T. Berdiev – Ph. D. (Technics), Professor, Head of the Department of Electric Transport and High-Speed Electric Rolling Stock</p><p>1, Adylhodzhaev Str., 100167, Tashkent</p></bio><email xlink:type="simple">berdiev1962@inbox.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хасанов</surname><given-names>Ф. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Khasanov</surname><given-names>F. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хасанов Фазил Фархад Аглы – аспирант, ассистент кафедры «Электрический транспорт и высокоскоростной электроподвижной состав»</p></bio><bio xml:lang="en"><p>Fazil F. Khasanov – Graduate Student, Assistant of the Department of Electric Transport and High-Speed Electric Rolling Stock</p><p>1, Adylhodzhaev Str., 100167, Tashkent</p></bio><email xlink:type="simple">tashiit_rektorat@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-практический центр Национальной академии наук Беларуси по материаловедению</institution></aff><aff xml:lang="en"><institution>Scientific and Practical Material Research Center of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Ташкентский институт инженеров железнодорожного транспорта</institution></aff><aff xml:lang="en"><institution>Tashkent Railway Engineering Institute</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>06</day><month>04</month><year>2020</year></pub-date><volume>65</volume><issue>1</issue><fpage>17</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Вечер А.К., Говор Г.А., Янушкевич К.И., Бердиев У.Т., Хасанов Ф.Ф., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Вечер А.К., Говор Г.А., Янушкевич К.И., Бердиев У.Т., Хасанов Ф.Ф.</copyright-holder><copyright-holder xml:lang="en">Vetcher A.K., Govor G.A., Yanushkevich K.I., Berdiev U.T., Khasanov F.F.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestift.belnauka.by/jour/article/view/576">https://vestift.belnauka.by/jour/article/view/576</self-uri><abstract><p>Исследовано влияние условий синтеза на магнитные характеристики композиционных материалов на основе железных порошков ASC 100.29 (Швеция) и LiaoNing (Китай). Поверхность частиц порошков металлического железа капсулирована изоляционным ферритным покрытием, состоящим из окислов железа и фосфидов. Синтез проводился при температуре 150 °С из газовой среды в специальном реакторе при давлении 1 атм. Изолирующие оксидные покрытия наносились как на частицы исходных порошков железа без обработки, так и на предварительно отожженные порошки в инертной атмосфере и в смеси водород-аргон. Для проведения исследований магнитных характеристик методом прессования изготавливались сердечники в виде колец. Зависимость индукции от величины магнитного поля, потери на перемагничивание (гистерезисные потери) по полной и по частной петле регистрировались на экспресс-магнитометре. Величина потерь рассчитывалась по площади петли гистерезиса. Результаты показывают, что композиционные низкочастотные магнитные материалы на основе порошков металлического железа ASC 100.29 (Швеция) и LiaoNing (Китай) имеют близкие по величине магнитные параметры – практически идентичные зависимости В = f(Н), однако потери на перемагничивание для ASC 100.29 существенно ниже, чем для LiaoNing порошка, при равных условиях синтеза изоляционных покрытий. Возможно использование таких материалов в качестве магнитопроводов в электротехнических устройствах, таких как сердечники высокочастотных трансформаторов и ряда электрических машин. Поскольку такие материалы могут работать на частотах от 1 кГц и выше, это позволит существенно снизить габаритные размеры и повысить эффективность электротехнических изделий.</p></abstract><trans-abstract xml:lang="en"><p>The influence of synthesis conditions on the magnetic characteristics of composite materials based on iron powders ASC 100.29 (Sweden) and LiaoNing (China) is investigated. The surface of metallic iron powders is encapsulated by an insulating ferrite coating, consisting of iron oxides and phosphides. The synthesis was carried out at a temperature of 150 °C from a gaseous medium in a special reactor at a pressure of 1 atm. Insulating oxide coatings were applied both to the initial iron powder without treatment, and to previously annealed powders in an inert atmosphere and in a mixture of hydrogen-argon. To conduct studies of magnetic characteristics, cores in the form of rings were made by pressing method. The dependence of induction vs. magnitude of the magnetic field, magnetization reversal losses (hysteresis losses) in the full and in the private loop were recorded by an express magnetometer. The value of losses was calculated by the hysteresis loops area. The results show that composite low-frequency magnetic materials based on metallic iron ASC 100.29 and LiaoNing powders have similar values of magnetic parameters – almost identical B = f(H) dependencies, but the magnetization reversal losses for ASC 100.29 are significantly lower than for LiaoNing powder under equal insulating coatings synthesis conditions. It is possible to use such materials as magnetic cores in various electrical devices, such as cores of high-frequency transformers and a number of electrical machines. Since such materials can operate at frequencies from 1 kHz and higher, this will significantly reduce the overall dimensions and increase the efficiency of electrical products.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>магнитно-мягкий композиционный материал</kwd><kwd>железный порошок</kwd><kwd>ферритное изоляционное покрытие</kwd><kwd>дроссели</kwd><kwd>высокочастотные трансформаторы</kwd><kwd>статоры и роторы электромашин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>soft magnetic composite material</kwd><kwd>iron powder</kwd><kwd>ferrite insulating coating</kwd><kwd>inductors</kwd><kwd>high-frequency transformers</kwd><kwd>stators and rotors of electric machines</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Белорусского республиканского фонда фундаментальных исследований в рамках совместного проекта БРФФИ–Узбекистан № Т19УЗБГ-004.</funding-statement><funding-statement xml:lang="en">This work was financially supported by the Belarusian Republican Foundation for Basic Research as part of the joint project BRFFR–Uzbekistan No. T19UZBG-004.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Janta, T. 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