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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">10.17073/0368-0797-2022-10-693-698</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2412</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>Электропластический эффект при растяжении в ТРИП стали</article-title><trans-title-group xml:lang="en"><trans-title>Electroplastic effect at tension in TRIP steel</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7604-3961</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Столяров</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Stolyarov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Владимирович Столяров, д.т.н., профессор, главный научный сотрудник</p><p>Россия, 101000, Москва, Малый Харитоньевский пер., 4</p></bio><bio xml:lang="en"><p>Vladimir V. Stolyarov, Dr. Sci. (Eng.), Prof., Chief Researcher</p><p>4 Malyi Khariton’evskii Lane, Moscow 101000, Russian Federation</p></bio><email xlink:type="simple">vlstol@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт машиноведения им. А.А. Благонравова РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Mechanical Engineering Research Institute, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>30</day><month>10</month><year>2022</year></pub-date><volume>65</volume><issue>10</issue><fpage>693</fpage><lpage>698</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Столяров В.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Столяров В.В.</copyright-holder><copyright-holder xml:lang="en">Stolyarov V.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/2412">https://fermet.misis.ru/jour/article/view/2412</self-uri><abstract><p>В работе представлены результаты исследования электропластического эффекта в метастабильной высоколегированной аустенитно-мартенситной стали в виде тонкой ленты толщиной 0,3 мм при пластической деформации с током разных мод и режимов. Выбор материала исследования обусловлен проявлением в нем ТРИП-эффекта, вызываемом мартенситным превращением при деформации. Соотношение объемных фракций аустенита и мартенсита в стали до деформации составляет 50:50. В работе изучены деформационное поведение стали в форме кривых напряжение – деформация и механические свойства при комнатной температуре при статическом растяжении с током в виде коротких одиночных импульсов большой плотности, а также многоимпульсного тока с частотой 1000 Гц и постоянного тока. Микроструктура в исходном, до растяжения, состоянии исследована методами оптической и просвечивающей микроскопии. Микроструктура представляет собой крупные равноосные зерна аустенита и двойникованного мартенсита размером до 80 мкм. Фазовый состав стали до и после растяжения с током и без тока изучен методом рентгеновской дифракции. Деформация растяжением без тока способствует интенсивному мартенситному превращению и повышает объемную долю мартенсита с 50 до 82 %. Введение одиночных импульсов тока не влияет на ТРИП-эффект, вызывает скачки напряжения вниз и подтверждает возникновение электропластического эффекта. Показано, что мода тока оказывает сильное влияние на проявление ТРИП-эффекта, подавляет его при многоимпульсном и постоянном токе и вызывает резкое уменьшение пределов прочности, текучести и пластичности. Растяжение с током стабилизирует аустенит и уменьшает содержание образующегося мартенсита до 72 % при многоимпульсном режиме и до 50 % при использовании постоянного тока.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents the results of a study of electroplastic effect in metastable high-alloyed austenitic-martensitic steel in strip form with the thickness of 0.3 mm during plastic deformation with current of different modes and regimes. Choice of the research material is due to manifestation of the TRIP effect in it, caused by martensitic transformation during deformation. The ratio of volume fractions of austenite and martensite in the steel before deformation was 50:50. Deformation behavior of the steel was studied by stress-strain curves and mechanical properties at room temperature in static tension with current by short single pulses of large density, as well as multipulse current with frequency of 1000 Hz and direct current. Microstructure in the initial, before tension, state was investigated by optical and transmission microscopy. It consists of large equiaxed grains of austenite and twinned martensite up to 80 µm in size. Phase composition of the steel before and after tension with and without current was studied by X-ray diffraction. Tensile deformation without current promotes martensitic transformation and increases the volume fraction of martensite from 50 to 82 %. The introduction of single current pulses does not influence the TRIP effect, causes power surges and confirms the occurrence of electroplastic effect. Current mode has a strong influence on manifestation of the TRIP effect, suppressing it at multipulse and direct current and causing a sharp decrease in tensile strength, yield stress, and elongation to failure. Tension with current stabilizes the austenite and reduces content of the formed martensite up to 72 % in multi-pulse mode and up to 50 % when using direct current.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ТРИП сталь</kwd><kwd>электропластический эффект</kwd><kwd>растяжение</kwd><kwd>электрический ток</kwd><kwd>микроструктура</kwd><kwd>аустенит</kwd><kwd>мартенсит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>TRIP steel</kwd><kwd>electroplastic effect</kwd><kwd>tension</kwd><kwd>electric current</kwd><kwd>microstructure</kwd><kwd>austenite</kwd><kwd>martensite</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Автор благодарен доктору В.Ф Терентьеву за презентацию исследовательского материала, к.м.н. А.А. Мисоченко за помощь в механических испытаниях и проф. К. Падманабхан и его группе в Университете Анны (Индия) за проведенные исследования.</funding-statement><funding-statement xml:lang="en">The author expresses his gratitude to Terent’ev V.F. for presentation of the research material, A.A. Misochenko for assistance in mechanical testing and prof. K. Padmanabhan and his group from the Anna University (India) for structure research.</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">Мисоченко А.А., Столяров В.В. Деформируемость, структура и свойства титановых сплавов, подвергнутых прокатке с током. Гл. 15. В кн.: Перспективные материалы и технологии. В 2 т. Т. 1 / Под ред. В.В. Клубовича. Витебск: Изд-во УО «ВГТУ», 2015. С. 268–278.</mixed-citation><mixed-citation xml:lang="en">Misochenko A.A., Stolyarov V.V. 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