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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">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2026-4-374-380</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-3126</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</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE</subject></subj-group></article-categories><title-group><article-title>Сопротивление изнашиванию деталей машин после термической обработки в магнитном поле</article-title><trans-title-group xml:lang="en"><trans-title>Wear resistance of machine parts after heat treatment in magnetic field</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6999-3520</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пустовойт</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Pustovoit</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виктор Николаевич Пустовойт, д.т.н., профессор кафедры «Материаловедение и технологии металлов»</p><p>Россия, 344003, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>Viktor N. Pustovoit, Dr. Sci. (Eng.), Prof. of the Chair of Materials Science and Metal Technology</p><p>1 Gagarina Sqr., Rostov-on-Don 344003, Russian Federation</p></bio><email xlink:type="simple">pustovoyt45@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/0000-0002-8558-1136</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Долгачев</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolgachev</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрий Вячеславович Долгачев, д.т.н., профессор кафедры «Материаловедение и технологии металлов»</p><p>Россия, 344003, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>Yuri V. Dolgachev, Dr. Sci. (Eng.), Prof. of the Chair of Materials Science and Metal Technology</p><p>1 Gagarina Sqr., Rostov-on-Don 344003, Russian Federation</p></bio><email xlink:type="simple">ydolgachev@donstu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><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>2026</year></pub-date><pub-date pub-type="epub"><day>27</day><month>08</month><year>2026</year></pub-date><volume>69</volume><issue>4</issue><fpage>374</fpage><lpage>380</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пустовойт В.Н., Долгачев Ю.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Пустовойт В.Н., Долгачев Ю.В.</copyright-holder><copyright-holder xml:lang="en">Pustovoit V.N., Dolgachev Y.V.</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://fermet.misis.ru/jour/article/view/3126">https://fermet.misis.ru/jour/article/view/3126</self-uri><abstract><p>Долговечность машиностроительных деталей лимитируется допустимой степенью износа. При термической обработке деталей в магнитном поле отмечаются изменения в структуре и механических свойствах материалов, поэтому представляется актуальным оценить влияние данной технологии на сопротивление изнашиванию. Такую оценку можно провести с помощью лабораторных, стендовых и натурных испытаний. Целью настоящей работы являлась оценка изменения в показателях, характеризующих износ, при проведении операций термической обработки с наложением постоянного магнитного поля в сравнении со стандартными режимами обработки. Магнитные поля напряженностью порядка 1,5 МА/м получали в межполюсном зазоре электромагнита ФЛ-1. Исследуемые образцы изготавливались из стали У8 и ковкого ферритного чугуна КЧ 33-8, которые подвергались закалке от температуры нагрева в печи 1000 °С. Образцы испытывали при трении о закрепленные абразивные частицы под постоянной нагрузкой на машине трения Х4-Б по традиционной методике. Максимальный эффект в увеличении износостойкости наблюдается после закалки деталей в магнитном поле. Проведение низкого отпуска несколько снижает износостойкость, что вызвано повышением пластичности и изменениями в механизмах разрушения. После закалки в магнитном поле проведение отпуска также в магнитном поле позволяет сохранить износостойкость на более высоком уровне. После термообработки в магнитном поле имеет место уменьшение вырывов и выкрашиваний (хрупкого разрушения) по краям царапин от абразивных частиц. Статистический анализ профилограмм поверхностей трения свидетельствует о большей равномерности в расположении структурных барьеров для микроструктуры стали, обработанной с магнитным полем. Сравнительные стендовые и полевые испытания показали эффективность термической обработки в магнитном поле, которая обеспечивает прирост износостойкости деталей сельскохозяйственной техники до 1,4 раза.</p></abstract><trans-abstract xml:lang="en"><p>The durability of machine-building parts is limited by the permissible degree of wear. During the heat treatment of parts in magnetic field, changes in the structure and mechanical properties of materials are noted, therefore it seems important to evaluate the effect of this technology on wear resistance. Such an assessment can be carried out using laboratory, bench and field tests. The purpose of this work was to evaluate the changes in the indicators characterizing wear during heat treatment operations with the application of a permanent magnetic field in compa­rison with standard treatment modes. Magnetic fields of the order of 1.5 MA/m were obtained in the interpolar gap of the FL-1 electromagnet. The studied samples were made of U8 steel and ductile ferritic cast iron KCh 33-8, which were quenched at a furnace heating temperature of 1000 °C. The samples were tested by friction against fixed abrasive particles under constant load on Kh4-B friction machine according to the traditional method. The maximum effect in increasing wear resistance is observed after quenching the parts in a magnetic field. Low tempering slightly reduces wear resistance, which is caused by increased plasticity and changes in the fracture mechanisms. After quenching in magnetic field, tempering also in magnetic field allows one to maintain wear resistance at a higher level. After heat treatment in magnetic field, there is a decrease in breakouts and discoloration (brittle fracture) along the edges of scratches from abrasive particles. Statistical analysis of the profiles of friction surfaces indicates a greater uniformity in the arrangement of structural barriers for the microstructure of steel treated with magnetic field. Comparative bench and field tests showed the effectiveness of heat treatment in magnetic field, which provides an increase in wear resistance of agricultural machine parts up to 1.4 times.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>износостойкость</kwd><kwd>долговечность</kwd><kwd>закалка</kwd><kwd>отпуск</kwd><kwd>магнитное поле</kwd><kwd>стали</kwd><kwd>чугуны</kwd><kwd>детали машин</kwd><kwd>почвообрабатывающие орудия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>wear resistance</kwd><kwd>durability</kwd><kwd>hardening</kwd><kwd>tempering</kwd><kwd>magnetic field</kwd><kwd>steel</kwd><kwd>cast iron</kwd><kwd>machine parts</kwd><kwd>tillage implements</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы благодарят сотрудников кафедры «Материаловедение и технологии металлов» Донского государственного технического университета за помощь в получении и обсуждении результатов.</funding-statement><funding-statement xml:lang="en">The authors express their gratitude to the staff of the Chair of Materials Science and Metal Technology of the Don State Technical University for assistance in obtaining and discussing the results.</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">Trukhanska O. 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