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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Surface Investigation. X-Ray, Synchrotron and Neutron Techniques</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Surface Investigation. X-Ray, Synchrotron and Neutron Techniques</journal-title><trans-title-group xml:lang="ru"><trans-title>Поверхность. Рентгеновские, синхротронные и нейтронные исследования</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-0960</issn><issn publication-format="electronic">3034-5731</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">698142</article-id><article-id pub-id-type="doi">10.7868/S3034573125050073</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Characterization of Prior Austenite of Martensitic and Bainitic Steels Based on Transformation Texture Analysis</article-title><trans-title-group xml:lang="ru"><trans-title>ОЦЕНКА СТРУКТУРНОГО СОСТОЯНИЯ ИСХОДНОГО АУСТЕНИТА МАРТЕНСИТНЫХ И БЕЙНИТНЫХ СТАЛЕЙ ПО ТЕКСТУРЕ, ВОЗНИКАЮЩЕЙ В ПРОЦЕССЕ ФАЗОВОГО ПРЕВРАЩЕНИЯ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zisman</surname><given-names>A. A</given-names></name><name xml:lang="ru"><surname>Зисман</surname><given-names>А. А</given-names></name></name-alternatives><email>zolotorevsky@phnf.spbstu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zolotorevsky</surname><given-names>N. Y</given-names></name><name xml:lang="ru"><surname>Золоторевский</surname><given-names>Н. Ю</given-names></name></name-alternatives><email>zolotorevsky@phnf.spbstu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Matvienko</surname><given-names>A. N</given-names></name><name xml:lang="ru"><surname>Матвиенко</surname><given-names>А. Н</given-names></name></name-alternatives><email>zolotorevsky@phnf.spbstu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petrov</surname><given-names>S. N</given-names></name><name xml:lang="ru"><surname>Петров</surname><given-names>С. Н</given-names></name></name-alternatives><email>zolotorevsky@phnf.spbstu.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peter the Great St. Petersburg Polytechnic University</institution></aff><aff><institution xml:lang="ru">Санкт-Петербургский политехнический университет Петра Великого</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-05-15" publication-format="electronic"><day>15</day><month>05</month><year>2025</year></pub-date><issue>5</issue><issue-title xml:lang="en">NO5 (2025)</issue-title><issue-title xml:lang="ru">№5 (2025)</issue-title><fpage>56</fpage><lpage>64</lpage><history><date date-type="received" iso-8601-date="2025-12-08"><day>08</day><month>12</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Институт физики твердого тела РАН, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Институт физики твердого тела РАН, Российская академия наук</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-05-15"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/1028-0960/article/view/698142">https://journals.eco-vector.com/1028-0960/article/view/698142</self-uri><abstract xml:lang="en"><p>The crystallographic texture of bainitic and martensitic steels determined at room temperature is related to the texture of the prior austenite owing to the orientation relationship between the parent and daughter phases. This allows, in particular, judging the deformation of austenite and recrystallization. It becomes possible to analyze the effect of hot rolling on the austenite structural state, which precedes quenching. The structures and textures of bainitic and martensitic steels have been analyzed using electron backscatter diffraction. In the case of single-pass rolling, the state of prior austenite can be estimated based on the morphology of austenite grains reconstructed on the basis of the electron diffraction data. In the case of multi-pass hot rolling, which proceeds with a gradual decrease in temperature, such an estimate is difficult due to peculiarities of structure development. At the same time, this can be performed based on of the analysis of crystallographic texture of steel. As a quantitative characteristic of the structural state of austenite, a scalar parameter is proposed that depends on the relative intensity of texture components formed during the phase transformation.</p></abstract><trans-abstract xml:lang="ru"><p>Кристаллографическая текстура мартенситных и бейнитных сталей, определенная при комнатной температуре, благодаря ориентационному соотношению между материнской и дочерней фазой связана с текстурой исходного аустенита, что позволяет, в частности, судить о деформации аустенита и рекристаллизации. Появляется возможность проанализировать влияние горячей прокатки на структурное состояние аустенита, предшествующее закалке. Проанализирована структура и текстура бейнитной и мартенситной сталей методом дифракции обратно рассеянных электронов. В случае однопроходной прокатки можно оценить состояние исходного аустенита исходя из морфологических особенностей аустенитных зерен, реконструированных на базе данных электронной дифракции. В случае многопроходной горячей прокатки, протекающей при постепенном снижении температуры, такая оценка затруднена из-за особенностей процесса структурообразования. В то же время она может быть выполнена на основе анализа кристаллографической текстуры стали. В качестве количественной характеристики структурного состояния аустенита предложен скалярный параметр, зависящий от относительной интенсивности компонентов текстуры, образующейся при фазовом превращении.</p></trans-abstract><kwd-group xml:lang="en"><kwd>steel microstructure</kwd><kwd>martensite</kwd><kwd>bainite</kwd><kwd>austenite</kwd><kwd>hot rolling</kwd><kwd>recrystallization</kwd><kwd>phase transformation</kwd><kwd>texture</kwd><kwd>orientation distribution function</kwd><kwd>electron backscatter diffraction</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>микроструктура стали</kwd><kwd>мартенсит</kwd><kwd>бейнит</kwd><kwd>аустенит</kwd><kwd>горячая прокатка</kwd><kwd>рекристаллизация</kwd><kwd>фазовое превращение</kwd><kwd>текстура</kwd><kwd>функция распределения ориентаций</kwd><kwd>дифракция обратно рассеянных электронов</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа поддержана Российским научным фондом (грант № 22-19-00627)</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Brown E.L., Deardo A.J. // Metall. 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