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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">10.57070/2304-4497-2022-4(42)-74-79</article-id><article-id custom-type="elpub" pub-id-type="custom">vsgiu-179</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>ВЛИЯНИЕ ТЕРМИЧЕСКОЙ ОБРАБОТКИ НА ЛИКВАЦИЮ УГЛЕРОДА                  В ОТЛИВКАХ, ПОЛУЧЕННЫХ ЛИТЬЕМ ПО ГАЗИФИЦИРУЕМЫМ МОДЕЛЯМ</article-title><trans-title-group xml:lang="en"><trans-title>THE EFFECT OF HEAT TREATMENT ON CARBON LIQUATION IN CASTINGS OBTAINED BY CASTING GASIFIED MODELS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7659-3987</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аугсткалн</surname><given-names>Артур Игоревич</given-names></name><name name-style="western" xml:lang="en"><surname>Augstkaln</surname><given-names>Artur</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры «Физика»</p></bio><bio xml:lang="en"><p>post-graduate student of the Department of Physics</p></bio><email xlink:type="simple">augstkaln-a@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/0000-0002-9191-1787</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гурьев</surname><given-names>Михаил Алексеевич</given-names></name><name name-style="western" xml:lang="en"><surname>Guryev</surname><given-names>Mikhail</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент кафедры «Машиностроительные технологии и оборудование»</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Associate Profes-sor of the Department of Mechanical Engineering Tech-nologies and Equipment»</p></bio><email xlink:type="simple">gurievma@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5965-0249</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>Сергей Геннадьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>Sergey</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., заведующий лабораторией микроскопии, заведующий кафедрой «Машиностроительные технологии и оборудование»</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Head of the Microscopy Laboratory, Head of the Department of Mechanical Engineering Technologies and Equipment</p></bio><email xlink:type="simple">serg225582@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Алтайский государственный университет им. И.И. Ползунова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Polzunov Altai State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Алтайский государственный технический университет им. И.И. Ползунова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Polzunov Altai 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>29</day><month>12</month><year>2022</year></pub-date><volume>0</volume><issue>4</issue><fpage>74</fpage><lpage>79</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аугсткалн А.И., Гурьев М.А., Иванов С.Г., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Аугсткалн А.И., Гурьев М.А., Иванов С.Г.</copyright-holder><copyright-holder xml:lang="en">Augstkaln A., Guryev M., Ivanov S.</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/179">https://vestnik.sibsiu.ru/jour/article/view/179</self-uri><abstract><p>Науглероживание поверхностей стальных отливок, полученных литьем по газифицируемым моделям, является одной из основных и наиболее значимых проблем применения данного способа литья. В работе проведены эксперименты по снижению ликвации углерода в отливках из стали 20ГЛ с толщиной стенки 15 мм путем проведения термической обработки (нормализации) по двум режимам, а также проведена оценка влияния модификатора FIL-1 (Россия) на структуру отливок. Рассмотрены структуры до термической обработки и после нее. Установлено, что до термообработки образцы из стали 20ГЛ без модификатора имеют наибольший науглероженный слой (до 2 мм), тогда как в образцах с модификатором этот показатель не превышает 0,8 мм. Установлен оптимальный режим термообработки для модифицированных образцов (нормализация при температуре 950 оС и выдержка в течение 1 ч), приводящий к распределению углерода из науглероженной поверхности образцов по всему их сечению, измельчению структуры и переход ее в равновесное состояние.</p></abstract><trans-abstract xml:lang="en"><p>Carburization of the surfaces of steel castings obtained by casting according to gasified models is one of the main and most significant problems of using this casting method. In the work, experiments were carried out to reduce carbon liquation in castings made of 20GL steel with a wall thickness of 15 mm by carrying out heat treatment (normalization) in two modes, and the influence of the FIL-1 modifier (Russia) on the structure of castings was evaluated. The structures were examined before and after heat treatment. It was found that before the heat treatment, samples made of 20GL steel without a modifier have the largest carbonized layer (up to 2 mm), whereas in samples with a modifier this indicator does not exceed 0.8 mm. The optimal heat treatment mode for modified samples was established (normalization at a temperature of 950 °C and holding for 1 hour), leading to the distribution of carbon from the carbonized surface of the samples over their entire cross section, refining of the structure and its transition to an equilibrium state.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сталь</kwd><kwd>отливка</kwd><kwd>термообработка</kwd><kwd>ликвация</kwd><kwd>углерод</kwd><kwd>микроструктура</kwd><kwd>модифицирование</kwd><kwd>литье по газифицируемым моделям</kwd></kwd-group><kwd-group xml:lang="en"><kwd>steel</kwd><kwd>casting</kwd><kwd>heat treatment</kwd><kwd>liquation</kwd><kwd>carbon</kwd><kwd>microstructure</kwd><kwd>modification</kwd><kwd>casting according to gasified models</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">исследования выполнены в Центре коллективного пользования АлтГТУ</funding-statement><funding-statement xml:lang="en">The research was carried out at the Center for Collective Use of AltSTU.</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">Ворошнин Л.Г. 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