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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-2024-4-6-16</article-id><article-id custom-type="elpub" pub-id-type="custom">powder-904</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>Эволюция структурно-фазового состояния стальной стружки в процессе ее переработки в порошкообразный продукт</article-title><trans-title-group xml:lang="en"><trans-title>Evolution of the structural-phase state of steel swarf during its processing into a powdered product</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4363-3604</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коростелева</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Korosteleva</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Николаевна Коростелева – к.т.н., доцент отделения машиностроения Инженерной школы новых передовых технологий, Национальный исследовательский Томский политехнический университет (НИ ТПУ); ст. науч. сотрудник лаборатории физики консолидации порошковых материалов, Институт физики прочности и материаловедения Сибирского отделения Российской академии наук (ИФПМ СО РАН)</p><p>Россия, 634055, г. Томск, пр-т Академический, 2/4</p><p>Россия, 634050, г. Томск, пр-т Ленина, 30</p></bio><bio xml:lang="en"><p>Elena N. Korosteleva – Cand. Sci. (Eng.), Associate Professor at the Department of Mechanical Engineering, School of Advanced Engineering Technologies, National Research Tomsk Polytechnic University; Senior Researcher at the Laboratory of Physics of Powder Material Consolidation, Institute of Strength Physics and Materials Science of  the Siberian Branch of the Russian Academy of Sciences (ISPMS SB RAS)</p><p>2/4 Akademicheskii Prosp., 634055 Tomsk, Russia</p><p>30 Lenina Prosp., Tomsk 634050, Russia</p></bio><email xlink:type="simple">elenak@ispms.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/0000-0003-4529-6477</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Николаев</surname><given-names>И. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikolaev</surname><given-names>I. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иван Олегович Николаев – лаборант-исследователь лаборатории физики консолидации порошковых материалов</p><p>Россия, 634055, г. Томск, пр-т Академический, 2/4</p></bio><bio xml:lang="en"><p>Ivan O. Nikolaev – Research Assistant at the Laboratory of Physics of Powder Material Consolidation</p><p>2/4 Akademicheskii Prosp., 634055 Tomsk, Russia</p></bio><email xlink:type="simple">rmkast97@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики прочности и материаловедения Сибирского отделения РАН; Национальный исследовательский Томский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of Sciences; National Research Tomsk Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики прочности и материаловедения Сибирского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>27</day><month>08</month><year>2024</year></pub-date><volume>18</volume><issue>4</issue><fpage>6</fpage><lpage>16</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/904">https://powder.misis.ru/jour/article/view/904</self-uri><abstract><p>Утилизация отходов промышленного производства связана не только с решением экологических проблем, но и с повторным использованием материальных ресурсов. Чаще всего возвращаемые в производство материальные ресурсы стараются применить в той же технологической нише, где формировались сами отходы, через их переплавку или добавление в шихту. В данной работе предлагается альтернативный подход, позволяющий при утилизации стальной стружки получать функциональный порошковый продукт, который можно в дальнейшем использовать при создании порошковых металломатричных композитов. С помощью растровой электронной микроскопии и рентгенофазового анализа была исследована структура стружки в исходном состоянии (после токарной обработки заготовки из стали 45) и после дополнительного комплекса обработки (окисления и измельчения) с целью оценки степени трансформации ее структурно-фазового состояния в процессе переработки. Показано, что стружка после токарной обработки имеет сложный морфологический вид с неоднородным распределением кислорода и углерода. Растровая электронная микроскопия исходного состояния стружки позволила выявить отдельные включения оксидов размерами не более 5 мкм в удаленных друг от друга локальных местах. Однако небольшой совокупный объем и индивидуальный размер оксидных включений затруднили идентификацию этих фаз с помощью рентгенодифракционного метода. Дополнительное окисление с последующим измельчением в вибромельнице трансформирует структуру стальной стружки, повышая объемную долю оксидных фаз. Результаты проведенных исследований показали, что полученный порошок из переработанной таким образом стальной стружки представляет собой фактически металломатричный композитный материал с оксидными включениями на основе железной матрицы, который можно использовать в дальнейшем в разных порошковых технологиях.</p></abstract><trans-abstract xml:lang="en"><p>Industrial waste recycling is not only linked to significant environmental challenges but also to the recovery of material resources. Typically, these recovered materials are reused within the same technological niche where the waste was generated, often through remelting or adding them to the charge. This study presents an alternative approach that enables the production of a functional powder product from steel swarf during the recycling process, which can subsequently be utilized in the creation of powder metal matrix composites. The initial structure of the swarf, following the turning of a steel billet, was examined using scanning electron microscopy (SEM) and X-ray diffraction (XRD) analysis after a processing complex involving additional oxidation and grinding. This analysis aimed to assess the degree of transformation in the structural-phase state of the steel swarf during its processing. It was observed that the swarf post-turning exhibited a complex morphological structure with an uneven distribution of oxygen and carbon. The oxygen present in the initial state of the swarf was insufficient to form a noticeable volume of oxides detectable by X-ray diffraction. However, SEM revealed individual oxide inclusions, each no more than 5 µm in size, located sporadically. Additional oxidation followed by grinding in a vibrating mill altered the structure of the steel swarf, increasing the volume fraction of oxide phases. The study’s findings indicate that the resulting powder from recycled steel swarf is essentially a metal matrix composite with oxide inclusions based on an iron matrix, which holds potential for various future powder technologies.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>стальная стружка</kwd><kwd>измельчение</kwd><kwd>окисление</kwd><kwd>структура</kwd><kwd>оксиды железа</kwd><kwd>композиционные порошки</kwd><kwd>спекание</kwd></kwd-group><kwd-group xml:lang="en"><kwd>steel swarf</kwd><kwd>grinding</kwd><kwd>oxidation</kwd><kwd>structure</kwd><kwd>iron oxides</kwd><kwd>composite powders</kwd><kwd>sintering</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда и субсидии Администрации Томской облас­ти № 22-13-20031, https://rscf.ru/project/22-13-20031/</funding-statement><funding-statement xml:lang="en">This research was funded by a grant from the Russian Science Foundation and a subsidy from the Administration of the Tomsk Region, No 22-1320031, https://rscf.ru/project/22-13-20031/</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">Ровин С.Л., Калиниченко А.С., Ровин Л.Е. 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