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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">10.17073/0368-0797-2022-9-654-661</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2398</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>Эволюция структуры пластинчатого перлита рельсовой стали при деформации сжатием</article-title><trans-title-group xml:lang="en"><trans-title>Evolution of structure of rail steel lamellar pearlite under compression deformation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4908-6776</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аксенова</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Aksenova</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крестина Владимировна Аксенова, к.т.н., доцент кафедры естественнонаучных дисциплин им. профессора В.М. Финкеля</p><p>Россия, 654007, Кемеровская обл. – Кузбасс, Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Krestina V. Aksenova, Cand. Sci. (Eng.), Assist. Prof. of the Chair of Science named after V.M. Finkel’</p><p>42 Kirova Str., Novokuznetsk, Kemerovo Region – Kuzbass 654007, Russian Federation</p></bio><email xlink:type="simple">19krestik91@mail.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/0000-0002-5147-5343</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Громов</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Gromov</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виктор Евгеньевич Громов, д.ф.-м.н., профессор, заведующий кафедрой естественнонаучных дисциплин им. профессора В.М. Финкеля</p><p>Россия, 654007, Кемеровская обл. – Кузбасс, Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Viktor E. Gromov, Dr. Sci. (Phys.-Math.), Prof., Head of the Chair of Science named after V.M. Finkel’</p><p>42 Kirova Str., Novokuznetsk, Kemerovo Region – Kuzbass 654007, Russian Federation</p></bio><email xlink:type="simple">gromov@physics.sibsiu.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/0000-0001-8022-7958</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>Ю. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>Yu. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрий Федорович Иванов, д.ф.-м.н., профессор, главный научный сотрудник лаборатории плазменной эмиссионной электроники</p><p>Россия, 634055, Томск, пр. Академический, 2/3</p></bio><bio xml:lang="en"><p>Yurii F. Ivanov, Dr. Sci. (Phys.-Math.), Prof., Chief Researcher of the Laboratory of Plasma Emission Electronics</p><p>2/3 Akademicheskii Ave., Tomsk 634055, Russian Federation</p></bio><email xlink:type="simple">yufi55@mail.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>Ващук</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vashchuk</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Степановна Ващук, к.т.н., доцент кафедры естественнонаучных дисциплин</p><p>Россия, 653039, Кемеровская обл. – Кузбасс, Прокопьевск, ул. Ноградская, 32</p></bio><bio xml:lang="en"><p>Ekaterina S. Vashchuk, Cand. Sci. (Eng.), Assist. Prof. of the Chair of Science</p><p>32 Nogradskaya Str., Prokopyevsk, Kemerovo Region – Kuzbass 653039, Russian Federation</p></bio><email xlink:type="simple">vashuk2012@bk.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5154-5498</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Перегудов</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Peregudov</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олег Александрович Перегудов, к.т.н., помощник ректора по молодежной политике</p><p>Россия, 644050, Омск, пр. Мира, 11</p></bio><bio xml:lang="en"><p>Oleg A. Peregudov, Cand. Sci. (Eng.), Rector’s Assistant for Youth Policy</p><p>11 Mira Ave., Omsk 644050, Russian Federation</p></bio><email xlink:type="simple">olegomgtu@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский государственный индустриальный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Industrial University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт сильноточной электроники СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of High Current Electronics, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Филиал Кузбасского государственного технического университета имени Т.Ф. Горбачева в г. Прокопьевск</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Prokopyevsk Branch of the Kuzbass State Technical University named after T.F. Gorbachev</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Омский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Omsk State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>10</month><year>2022</year></pub-date><volume>65</volume><issue>9</issue><fpage>654</fpage><lpage>661</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аксенова К.В., Громов В.Е., Иванов Ю.Ф., Ващук Е.С., Перегудов О.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Аксенова К.В., Громов В.Е., Иванов Ю.Ф., Ващук Е.С., Перегудов О.А.</copyright-holder><copyright-holder xml:lang="en">Aksenova K.V., Gromov V.E., Ivanov Y.F., Vashchuk E.S., Peregudov O.A.</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/2398">https://fermet.misis.ru/jour/article/view/2398</self-uri><abstract><p>Приведены результаты анализа эволюции дефектной субструктуры перлита пластинчатой морфологии рельсовой стали Э76ХФ в условиях деформации одноосным сжатием. Показано, что деформационное упрочнение исследуемой стали при пластической деформации одноосным сжатием носит многостадийный характер. Деформация стали сопровождается фрагментацией перлитных зерен, которая усиливается по мере увеличения степени деформации и достигает при ε = 50 % примерно 0,4 объема исследуемой фольги. Фрагменты, формирующиеся в пластинах феррита, разделены малоугловыми границами. Средние размеры фрагментов пластин феррита при увеличении степени деформации уменьшаются от 240 нм (ε = 15 %) до 200 нм (ε = 50 %). Выявлена фрагментация пластин цементита. Установлено, что размер фрагментов изменяется в пределах 15 – 20 нм и слабо зависит от степени деформации стали. Разрушение пластин цементита протекает путем их растворения и разрезания подвижными дислокациями. Атомы углерода, перешедшие из кристаллической решетки цементита на дислокации, выносятся в межпластинчатое пространство и формируют частицы третичного цементита, размеры которых составляют 2 – 4 нм. В процессе деформации стали формируется неоднородная дислокационная субструктура, что обусловлено торможением дислокаций частицами цементита. Увеличение степени деформирования сопровождается снижением скалярной и избыточной плотности дислокаций, что может быть обусловлено их уходом в малоугловые границы, а также их аннигиляцией. Установлено, что источниками внутренних полей напряжений являются границы раздела зерен и колоний перлита, пластин цементита в зернах перлита, расположенные в объеме пластин феррита частицы второй фазы.</p></abstract><trans-abstract xml:lang="en"><p>The article presents the results of analysis of evolution of the defective substructure of rail steel pearlite with lamellar morphology under deformation by uniaxial compression. The strain hardening of the studied steel under such deformation has a multistage character. Deformation of steel is accompanied by fragmentation of pearlite grains, which intensifies as the degree of deformation increases and reaches 0.4 of the studied foil volume at ε = 50 %. Fragments formed in ferrite plates are separated by low-angle boundaries. It was established that the average sizes of ferrite plate fragments decrease from 240 nm (ε = 15 %) to 200 nm (ε = 50 %) with an increase in the deformation degree. Fragmentation of cementite plates was revealed. It was found that the size of the fragments varies within 15 – 20 nm and weakly depends on the degree of steel deformation. Fracture of cementite lamellae, proceeding by their dissolution and cutting by mobile dislocations, was discovered. Carbon atoms that have passed from the crystal lattice of cementite to dislocations are carried out into the interlamellar space and form particles of tertiary cementite, the size of which is 2 – 4 nm. In the process of steel deformation, an inhomogeneous dislocation substructure is formed, which is due to the deceleration of dislocations by cementite particles. It was found that an increase in the deformation degree is accompanied by a decrease in the scalar and excess density of dislocations, which may be due to the escape of dislocations into low-angle boundaries, as well as their annihilation. It was established that the sources of internal stress fields are the interfaces between pearlite grains and colonies, cementite plates in pearlite grains, particles of the second phase located in the volume of ferrite plates.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рельсовая сталь</kwd><kwd>структура</kwd><kwd>эволюция</kwd><kwd>дислокации</kwd><kwd>пластинчатый перлит</kwd><kwd>пластическая деформация</kwd><kwd>одноосное сжатие</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rail steel</kwd><kwd>structure</kwd><kwd>evolution</kwd><kwd>dislocations</kwd><kwd>lamellar pearlite</kwd><kwd>plastic deformation</kwd><kwd>uniaxial compression</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке гранта Российского фонда фундаментальных исследований (проект № 19‑32‑60001) и стипендии Президента Российской Федерации для молодых ученых и аспирантов, осуществляющих перспективные научные исследования и разработки по приоритетным направлениям модернизации российской экономики (проект СП-4517.2021.1).</funding-statement><funding-statement xml:lang="en">The work was supported by a grant from the Russian Foundation for Basic Research (project No. 19-32-60001) and a scholarship of the President of the Russian Federation for young scientists and postgraduate students carrying out promising research and development in priority areas of modernization of the Russian economy (project SP-4517.2021.1).</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">Корнева JI.B., Юнин Г.Н., Козырев Н.А., Атконова О.П., Полевой Е.В. 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