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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">vsgiu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Сибирского государственного индустриального университета</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of the Siberian State Industrial University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2304 - 4497</issn><issn pub-type="epub">2307-1710</issn><publisher><publisher-name>Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный индустриальный университет"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.57070/2304-4497-2024-2(48)-136-140</article-id><article-id custom-type="elpub" pub-id-type="custom">vsgiu-71</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>Раздел 3. Металлургия и материаловедение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Section 3. Metallurgy and Materials Science</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ УГАРА РЕЛЬСОВОЙ СТАЛИ Э90ХАФ ПРИ НАГРЕВЕ ПОД ПРОКАТКУ</article-title><trans-title-group xml:lang="en"><trans-title>INVESTIGATION OF THE CARBON MONOXIDE OF E90AF RAIL STEEL WHEN HEATED FOR ROLLING</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>Пимахин</surname><given-names>Александр Васильевич</given-names></name><name name-style="western" xml:lang="en"><surname>Pimakhin</surname><given-names>Aleksandr V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ведущий специалист по дополнительному профессиональному образованию Центра дополнительного профессионального образования</p></bio><bio xml:lang="en"><p>a leading specialist in additional professional education at the Center for Additional Professional Education</p></bio><email xlink:type="simple">vestnicsibgiu@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/0000-0003-1310-1284</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Осколкова</surname><given-names>Татьяна Николаевна</given-names></name><name name-style="western" xml:lang="en"><surname>Oskolkova</surname><given-names>Tat’yana N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор кафедры металлургии черных металлов и химической технологии</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Prof. of the Departments of Ferrous Metallurgy and Chemical Technology</p></bio><email xlink:type="simple">oskolkovatatiana@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>Кузнецова</surname><given-names>Ольга Владимировна</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>Olga V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистрант</p></bio><bio xml:lang="en"><p>undergraduate student</p></bio><email xlink:type="simple">vestnicsibgiu@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/0000-0001-7985-5666</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Темлянцев</surname><given-names>Михаил Викторович</given-names></name><name name-style="western" xml:lang="en"><surname>Temlyantsev</surname><given-names>Mikhail V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор кафедры теплоэнергетики и экологии</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor of the Department of Thermal Power Engineering and Ecology</p></bio><email xlink:type="simple">uchebn_otdel@sibsiu.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>Темлянцева</surname><given-names>Елена Николаевна</given-names></name><name name-style="western" xml:lang="en"><surname>Temlyantseva</surname><given-names>Elena N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, заведующая кафедрой теплоэнергетики и экологии</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Assist. Prof., Acting Head of the Chair “Thermal Power and Ecology”</p></bio><email xlink:type="simple">elena.temlyantseva@yandex.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/0000-0002-8098-5895</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Запольская</surname><given-names>Екатерина Михайловна</given-names></name><name name-style="western" xml:lang="en"><surname>Zapol’skaya</surname><given-names>Ekaterina M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>преподаватель кафедры теплоэнергетики и экологии</p></bio><bio xml:lang="en"><p>Lecturer of the Department of Thermal Power Engineering and Ecology</p></bio><email xlink:type="simple">beloglazova-ekat@mail.ru</email><xref ref-type="aff" rid="aff-1"/></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><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2024</year></pub-date><volume>0</volume><issue>2</issue><fpage>136</fpage><lpage>140</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пимахин А.В., Осколкова Т.Н., Кузнецова О.В., Темлянцев М.В., Темлянцева Е.Н., Запольская Е.М., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Пимахин А.В., Осколкова Т.Н., Кузнецова О.В., Темлянцев М.В., Темлянцева Е.Н., Запольская Е.М.</copyright-holder><copyright-holder xml:lang="en">Pimakhin A., Oskolkova T., Kuznetsova O., Temlyantsev M., Temlyantseva E., Zapol’skaya E.</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://vestnik.sibsiu.ru/jour/article/view/71">https://vestnik.sibsiu.ru/jour/article/view/71</self-uri><abstract><p>Представлены результаты лабораторных исследований окисления рельсовой стали марки Э90ХАФ при нагреве до температур 800 – 1200 °С. Угар стали определяли с помощью гравиметрического метода (по потере массы образцов). При проведении лабораторных экспериментов использовали образцы размером 10 ´ 10 ´ (2 ÷ 26) мм. Нагрев образцов проводили в электрической печи сопротивления СУОЛ-0,25.1/12,5-И1 с нагревателями из карбида кремния в атмосфере воздуха. Нагрев проводили до температур 800, 850, 900, 950, 1000, 1050, 1100, 1150 и 1200 °С и выдерживали при постоянной температуре в течение 10, 30 и 50 мин. Для прогнозных расчетов угара получена зависимость, позволяющая определить потери массы стали в зависимости от температуры и времени нагрева. Установлено, что увеличение температуры от 800 до 1200 °С и времени выдержки от 10 до 50 мин. приводит к росту угара с 0,004 до 0,199 г/см2, то есть фактически в 50 раз. Наибольший эффект оказывает рост температуры. Закономерности влияния температурно-временного фактора на угар рельсовой стали хорошо согласуются с теоретическими представлениями о высокотемпературном окислении железо-углеродистых сплавов.</p></abstract><trans-abstract xml:lang="en"><p>The paper studies the regularities of structure formation in samples of titanium alloy Ti‒6Al‒4V obtained by additive wire-feed electron beam manufacturing and undergone to friction stir processing. The studies conducted show that during the processing there is an intensive interaction between the tool and the material, which leads to significant changes in the structure of the stir zone. The interaction between the nickel-base superalloy tool and the material is of an adhesive, mechanical, thermal and diffusion nature. Its characteristics determine the formation of the structure and material properties of the stir zone and, consequently, of the obtained parts. For this reason, in this study, the main defects and inhomogeneities formed in the stirred zone of the samples have been considered in comparison with the processes occurring in the area of contact between the tool and the material. The main changes in the structure of the titanium alloy Ti‒6Al‒4V after friction stir processing, caused by its interaction with the nickel tool, are formed in the areas of the stir zone with a composite structure with a high local volume fraction of intermetallic phases. During processing, the tool can be excessively penetrated in the material in such a way that it touches the substrate in the lower part of the plate. Even a slight penetration of the tool into the substrate leads to the penetration of steel particles into the stir zone due to the vertical flow of material in the stir zone. The described changes with the formation of a number of inhomogeneities and defects in the structure after processing lead to a decrease in the plasticity and strength of the samples in comparison with the material with a defect-free structure.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рельсовая сталь</kwd><kwd>нагрев под прокатку</kwd><kwd>угар стали</kwd><kwd>исследование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rail steel</kwd><kwd>heating for rolling</kwd><kwd>carbon steel</kwd><kwd>study</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Karl-Otto Edel, Grigori Budnitzki, Thomas Schnitzer. Schienenfehler 1. Beanspruchung und Schädigung von Eisenbahnschienen. Wies-baden: Springer Vieweg. 2021:606. http://doi.org/10.1007/978-3-662-58660-0</mixed-citation><mixed-citation xml:lang="en">Karl-Otto Edel, Grigori Budnitzki, Thomas Schnitzer. Schienenfehler 1. 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