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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">10.17073/0368-0797-2021-1-28-37</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2036</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>МЕТАЛЛУРГИЧЕСКИЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METALLURGICAL TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Влияние режимов поперечно-винтовой прокатки на механические свойства и вязкость разрушения трубной стали</article-title><trans-title-group xml:lang="en"><trans-title>Influence of cross-screw rolling modes on mechanical  properties and fracture toughness of pipe steel</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>Сурикова</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Surikova</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Сергеевна Сурикова, д.ф.-м.н., доцент, старший научный сотрудник</p><p>634055, Томск, пр. Академический, 2/3</p></bio><bio xml:lang="en"><p>Natal'ya S. Surikova, Dr. Sci. (Phys.–Math.), Assist. Prof., Senior Researcher</p><p>2/3, Akademicheskii ave., Tomsk 634021</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Власов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vlasov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Илья Викторович Власов, к.т.н., научный сотрудник лаборатории физической мезомеханики и неразрушающих методов контроля</p><p>634055, Томск, пр. Академический, 2/3</p></bio><bio xml:lang="en"><p>Il'ya V. Vlasov, Cand. Sci. (Eng.), Research Associate of the Laboratory of Physical Mesomechanics and Non-Destructive Testing</p><p>2/3, Akademicheskii ave., Tomsk 634021</p></bio><email xlink:type="simple">good0@yandex.ru</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>Деревягина</surname><given-names>Л. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Derevyagina</surname><given-names>L. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Людмила Сергеевна Деревягина, д. ф.-м. н., ведущий научный сотрудник</p><p>634055, Томск, пр. Академический, 2/3</p></bio><bio xml:lang="en"><p>Lyudmila S. Derevyagina, Dr. Sci. (Phys.–Math.), Leading Researcher</p><p>2/3, Akademicheskii ave., Tomsk 634021</p></bio><email xlink:type="simple">lsd@ispms.tsc.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/0000-0002-4361-8906</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гордиенко</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gordienko</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антонина Ильдаровна Гордиенко, к.т.н., научный сотрудник</p><p>634055, Томск, пр. Академический, 2/3</p></bio><bio xml:lang="en"><p>Antonina I. Gordienko, Cand. Sci. (Eng.), Research Associate</p><p>2/3, Akademicheskii ave., Tomsk 634021</p></bio><email xlink:type="simple">mirantil@sibmail.com</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>Наркевич</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Narkevich</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Аркадьевна Наркевич, к.т.н., старший научный сотрудник</p><p>634055, Томск, пр. Академический, 2/3</p></bio><bio xml:lang="en"><p>Natal'ya A. Narkevich, Cand. Sci. (Eng.), Senior Researcher</p><p>2/3, Akademicheskii ave., Tomsk 634021</p></bio><email xlink:type="simple">natnark@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики прочности и материаловедения СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Strength Physics and Materials Science, SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>16</day><month>02</month><year>2021</year></pub-date><volume>64</volume><issue>1</issue><fpage>28</fpage><lpage>37</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сурикова Н.С., Власов И.В., Деревягина Л.С., Гордиенко А.И., Наркевич Н.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Сурикова Н.С., Власов И.В., Деревягина Л.С., Гордиенко А.И., Наркевич Н.А.</copyright-holder><copyright-holder xml:lang="en">Surikova N.S., Vlasov I.V., Derevyagina L.S., Gordienko A.I., Narkevich N.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/2028">https://fermet.misis.ru/jour/article/view/2028</self-uri><abstract><p>В работе методами механических испытаний, оптической металлографии, электронной просвечивающей и растровой сканирующей микроскопии исследовано влияние трех режимов многопроходной поперечно-винтовой прокатки (ПВП) на микроструктуру, механические свойства и вязкость разрушения феррито-перлитной трубной стали 09Г2С. Показано, что после всех режимов ПВП наблюдается изменение параметров исходной зеренной структуры заготовки с формированием слоистости в распределении зерен по размерам – вблизи поверхности заготовки размер глобулярных зерен составляет 1 – 4 мкм, длина вытянутых зерен в центральной части заготовки варьируется от единиц до десятков мкм, ширина – от 1 до 8 мкм. Механические испытания на одноосное растяжение и ударную вязкость проводили на образцах, вырезанных из центральной части прутка. Установлено, что ПВП приводит к увеличению предела текучести и предела прочности стали после всех исследуемых режимов при незначительном понижении общей пластичности. Наибольшее увеличение ударной вязкости при Т = –70 °С наблюдается после контролируемой ПВП в интервале температур 850 – 500 °С. С помощью электронно-микроскопических исследований показано, что особенности механического поведения образцов после ПВП связаны со структурными превращениями, происходящими в стали при прокатке и охлаждении. Основным фактором упрочнения является измельчение ферритных зерен и формирование субзеренной структуры после ПВП. Повышение ударной вязкости связано с более однородной мелкодисперсной структурой проката, не содержащей пластин цементита и бейнита. Процессы разрушения исходных образцов стали и после ПВП в зависимости от температуры анализируются на основе записанных диаграмм ударного нагружения и структур в зонах долома образцов Шарпи.</p></abstract><trans-abstract xml:lang="en"><p>Influence of three modes of multi-pass cross-screw rolling (CSR) on microstructure, mechanical properties and fracture toughness of ferriteic-pearlitic 09G2S pipe steel was investigated by methods of mechanical tests, optical metallography, electron transmission and scanning microscopy. After all CSR modes there is a change in parameters of initial grain structure of the billet with formation of lamination in grain distribution by sizes. Near the surface of the billet the size of globular grains is 1 – 4 µm, the length of extended grains in the central part of the billet varies from units to tens µm, width – from 1 to 8 µm. Mechanical tests for uniaxial tension and toughness were performed on the samples cut from the central zone of the billet. It was found that CSR increases the yield and tensile strengths of all test samples with a slight decrease in overall plasticity. The greatest increase in toughness at T = –70 °C is observed after controlled CSR within the 850 – 500 °С temperature range. Electron microscopic studies have shown that features of mechanical behavior of the samples after CSR are related to structural transformations occurring in steel during rolling and cooling. The main hardening factor is the grinding of ferrite grains and the formation of a subgrain structure after CSR. The increase in fracture toughness is related to more uniform ultrafine-grained structure of rolled material, which does not contain plates of cementite and bainite. Fracture processes of initial steel samples and after CSR depending on temperature were analyzed on the basis of recorded diagrams of impact loading and fractures in breakage regions of the Charpy specimens.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>низкоуглеродистая сталь</kwd><kwd>поперечно-винтовая прокатка</kwd><kwd>механические характеристики</kwd><kwd>зеренная структура</kwd><kwd>диаграммы ударного нагружения</kwd><kwd>зоны разрушения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>low-carbon steel</kwd><kwd>cross-screw rolling</kwd><kwd>intensive plastic deformation</kwd><kwd>deformation hardening</kwd><kwd>mechanical characteristics</kwd><kwd>grain structure</kwd><kwd>diagrams of shock loading</kwd><kwd>destruction zones</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания ИФПМ СО РАН, тема номер FWRW-2021-0010, а также при финансовой поддержке РФФИ в рамках научного проекта № 18-08-00221.</funding-statement><funding-statement xml:lang="en">The work was performed according to the Government research assignment for the Institute of Strength Physics and Materials Science SB RAS,  project no. 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