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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">powder</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Порошковая металлургия и функциональные покрытия</journal-title><trans-title-group xml:lang="en"><trans-title>Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-308X</issn><issn pub-type="epub">2412-8767</issn><publisher><publisher-name>НИТУ "МИСИС"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/1997-308X-2024-5-5-12</article-id><article-id custom-type="elpub" pub-id-type="custom">powder-917</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>Процессы получения и свойства порошков</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Production Processes and Properties of Powders</subject></subj-group></article-categories><title-group><article-title>Структура и магнитные свойства порошка гексаферрита стронция после измельчения в бильной мельнице в магнитоожиженном слое с последующим отжигом</article-title><trans-title-group xml:lang="en"><trans-title>Structure and magnetic properties of strontium hexaferrite powder after milling in a beater mill in a magnetoliquefied layer followed by annealing</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8352-2311</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егоров</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorov</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иван Николаевич Егоров – к.т.н., доцент, вед. программист Зональной научной библиотеки им. Ю.А. Жданова</p><p>Россия, 344006, г. Ростов-на-Дону, ул. Большая Садовая, 105/42</p></bio><bio xml:lang="en"><p>Ivan N. Egorov – Cand. Sci. (Eng.), Assistant Professor, Lead Prog­rammer at the Regional State Library named after Yu.A. Zhdanov</p><p>105/42 Bolshaya Sadovaya Str., Rostov-on-Don 344006, Russia</p></bio><email xlink:type="simple">egorovivan1@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6921-1701</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егоров</surname><given-names>Н. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorov</surname><given-names>N. Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Яковлевич Егоров – к.т.н., доцент кафедры технологии и профессионально-педагогического образования</p><p>Россия, 344006, г. Ростов-на-Дону, ул. Большая Садовая, 105/42</p></bio><bio xml:lang="en"><p>Nikolay Ya. Egorov – Cand. Sci. (Eng.), Assistant Professor, Department of Technology And Professional Pedagogical Education</p><p>105/42 Bolshaya Sadovaya Str., Rostov-on-Don 344006, Russia</p></bio><email xlink:type="simple">nyegorov@sfedu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6507-6298</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Русалев</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rusalev</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрий Владимирович Русалев – аспирант, мл. науч. сотрудник Международного исследовательского института интеллек­туальных материалов</p><p>Россия, 344006, г. Ростов-на-Дону, ул. Большая Садовая, 105/42</p></bio><bio xml:lang="en"><p>Yury V. Rusalev – Postgraduate Student, Junior Scientist at the Smart Materials Research Institute</p><p>105/42 Bolshaya Sadovaya Str., Rostov-on-Don 344006, Russia</p></bio><email xlink:type="simple">rusalev@sfedu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-6580-638X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егорова</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorova</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Ивановна Егорова – д.т.н., доцент, профессор кафед­ры физики</p><p>Россия, 344000, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>Svetlana I. Egorova – Dr. Sci. (Eng.), Assistant Professor, Department of Physics</p><p>1 Gagarin Sq., Rostov-on-Don 344000, Russia</p></bio><email xlink:type="simple">siyegorova@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Южный федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Southern Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Донской государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Don State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>26</day><month>10</month><year>2024</year></pub-date><volume>18</volume><issue>5</issue><fpage>5</fpage><lpage>12</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; НИТУ "МИСИС", 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">НИТУ "МИСИС"</copyright-holder><copyright-holder xml:lang="en">НИТУ "МИСИС"</copyright-holder><license xlink:href="https://powder.misis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://powder.misis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://powder.misis.ru/jour/article/view/917">https://powder.misis.ru/jour/article/view/917</self-uri><abstract><p>В работе рассмотрена эффективность обработки дисперсного материала гексаферрита стронция в бильной мельнице в магнитоожиженном слое, образованном в магнитных полях – неоднородном переменном с частотой 50 Гц, градиен­том индукции 90 мТл/м и постоянном с индукцией 15,3 мТл – в условиях, когда измельчение сопровождается агрегацией частиц. Линии магнитной индукции полей взаимно перпендикулярны и параллельны плоскости вращения бил. Методами растровой электронной микроскопии и рентгеноструктурного анализа проведено комплексное исследование особенностей изменения дисперсного состава и структурных характеристик порошка гексаферрита стронция при увеличении продолжительности измельчения. Показано, что при обработке дисперсной системы гексаферрита стронция со средним размером частиц 1558,5 мкм в магнитоожиженном слое в течение 120 мин не происходит изменения фазового состава порошка, измельчение приводит к уменьшению среднего размера частиц порошка до 0,57 мкм, снижению размера областей когерентного рассеяния, увеличению микродеформации решетки фазы SrFe12O19 и плотности дислокаций. С помощью вибрационного магнитометра при комнатной температуре и нормальном атмосферном давлении изучены магнитные характеристики порошковых образцов до и после отжига. Проведенные исследования позволяют оценить технологический результат обработки дисперсной системы в магнитоожиженном слое с учетом совокупности основных явлений, сопровождающих измельчение.</p></abstract><trans-abstract xml:lang="en"><p>This study examines the effectiveness of processing dispersed strontium hexaferrite material in a beater mill within a magneto­liquefied layer formed by magnetic fields – an inhomogeneous alternating field with a frequency of 50 Hz and an induction gradient of 90 mT/m, and a constant field with an induction of 15.3 mT – under conditions where milling is accompanied by particle aggregation. The magnetic field lines are mutually perpendicular and parallel to the plane of the milling bodies. A comprehensive investigation of the changes in the dispersed composition and structural characteristics of the strontium hexaferrite powder with increased milling duration was conducted using scanning electron microscopy and X-ray diffraction analysis. The results show that processing the strontium hexaferrite dispersed system with an initial average particle size of 1558.5 µm in a magnetoliquefied layer for 120 min does not alter the phase composition of the powder. However, milling reduces the average particle size to 0.57 µm, decreases the size of the coherent scattering regions, increases the lattice microstrain of the SrFe12O19 phase, and raises the dislocation density. Magnetic properties of the powder samples before and after annealing were studied using a vibrating sample magnetometer at room temperature and normal atmospheric pressure. The conducted research allows for the assessment of the technological outcomes of processing the dispersed system in a magnetoliquefied layer, considering the collective effects that accompany milling.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>порошковая металлургия</kwd><kwd>гексаферрит стронция</kwd><kwd>механическое измельчение</kwd><kwd>рентгеноструктурный анализ</kwd><kwd>растровая электронная микроскопия</kwd><kwd>вибрационный магнитометр</kwd></kwd-group><kwd-group xml:lang="en"><kwd>powder metallurgy</kwd><kwd>strontium hexaferrite</kwd><kwd>mechanical milling</kwd><kwd>X-ray diffraction analysis</kwd><kwd>scanning electron microscopy</kwd><kwd>vibrating sample magnetometer</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Анциферов В.Н. Проблемы порошкового материаловедения. Ч. IV. Материаловедение поликристалли­ческих ферритов. 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