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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)-40-46</article-id><article-id custom-type="elpub" pub-id-type="custom">vsgiu-174</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>СТРУКТУРНО-ФАЗОВОЕ СОСТОЯНИЕ И ПОВЕРХНОСТЬ РАЗРУШЕНИЯ МЕТАЛЛА СВАРНЫХ ШВОВ, ВЫПОЛНЕННЫХ С ПРИМЕНЕНИЕМ НОВЫХ МАТЕРИАЛОВ НА ОСНОВЕ ТЕХНОГЕННОГО СЫРЬЯ</article-title><trans-title-group xml:lang="en"><trans-title>STRUCTURAL-PHASE STATE AND METAL FRACTURE SURFACE                           OF WELDS MADE WITH THE USE OF NEW MATERIALS BASED ON TECHNOGENIC RAW MATERIALS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3394-7941</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крюков</surname><given-names>Роман Евгеньевич</given-names></name><name name-style="western" xml:lang="en"><surname>Kryukov,</surname><given-names>Roman</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, доцент кафедры металлургии черных металлов</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Associate Professor, Associate Professor of the Department of Ferrous Metallurgy</p></bio><email xlink:type="simple">rek_nzrmk@mail.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/0000-0002-5147-5343</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Громов</surname><given-names>Виктор Евгеньевич</given-names></name><name name-style="western" xml:lang="en"><surname>Gromov</surname><given-names>Viktor</given-names></name></name-alternatives><bio xml:lang="ru"><p> д.ф.-м.н., профессор, заведующий кафедрой естественнонаучных дисциплин им. профессора В.М. Финкеля</p></bio><bio xml:lang="en"><p>Dr. Sci. (Phys.-Math.), Prof., Head of the Chair of Science named after V.M. Finkel’</p></bio><email xlink:type="simple">gromov@physics.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/0000-0002-7305-6692</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михно</surname><given-names>Алексей Романович</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhno,</surname><given-names>Aleksei</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант института машиностроения и транспорта</p></bio><bio xml:lang="en"><p>Postgraduate student of the Institute of Mechanical Engineering and Transport</p></bio><email xlink:type="simple">mikno-mm131@mail.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>Жуков</surname><given-names>Андрей Владимирович</given-names></name><name name-style="western" xml:lang="en"><surname>Zhukov</surname><given-names>Andrey</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант института машиностроения и транспорта</p></bio><bio xml:lang="en"><p>Postgraduate student of the Institute of Mechanical Engineering and Transport</p></bio><email xlink:type="simple">svarka42@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>2022</year></pub-date><pub-date pub-type="epub"><day>04</day><month>06</month><year>2025</year></pub-date><volume>0</volume><issue>4</issue><fpage>40</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Крюков Р.Е., Громов В.Е., Михно А.Р., Жуков А.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Крюков Р.Е., Громов В.Е., Михно А.Р., Жуков А.В.</copyright-holder><copyright-holder xml:lang="en">Kryukov, R., Gromov V., Mikhno, A., Zhukov 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://vestnik.sibsiu.ru/jour/article/view/174">https://vestnik.sibsiu.ru/jour/article/view/174</self-uri><abstract><p>Методами сканирующей и просвечивающей электронной микроскопии исследованы структурно-фазовое состояние и поверхность разрушения металла сварных швов стали 09Г2С, выполненных с применением новых сварочных материалов на основе техногенного сырья металлургического производства (шлака производства силикомарганца и пыли электрофильтров алюминиевого производства). Изготовление сварных соединений выполнялось в лабораторных условиях с использованием сварочной проволоки марки Св-08ГА на оборудовании научно-производственного центра «Сварочные процессы и технологии» ФГБОУ ВО «СибГИУ». С использованием оборудования ФГБУН «Институт сильноточной электроники СО РАН» (г. Томск) выполнен количественный анализ параметров структуры и дислокационной субструктуры металла сварных швов. Оценены вклады скалярной и избыточной плотности дислокаций в прочность металла сварных швов. Установлено, что основной фазой металла исследуемых сварных швов (независимо от введения добавки) является твердый раствор на основе α-железа (феррит, ОЦК кристаллическая решетка, α-фаза). Кроме α-железа в металле сварного шва присутствуют частицы карбида железа (цементит) и (преимущественно в образце без добавки) силицида железа состава Fe3S. Анализируя электронно-микроскопические изображения структуры металла сварного шва, было замечено, что наиболее узкие контуры формируются у межфазных границ включение – матрица. Такими включениями, выявленными методами просвечивающей электронной микроскопии, могут являться частицы цементита, расположенные в объеме и на границах зерен феррита, и частицы силицида железа округлой (сферической) формы, расположенные в объеме зерен феррита. Выявлено, что включения второй фазы, присутствующие в металле сварного шва, являются концентраторами напряжений и могут быть центрами зарождения микротрещин при механическом воздействии на материал.</p></abstract><trans-abstract xml:lang="en"><p>The structural-phase state and the metal fracture surface of 09G2S steel welds made using new welding materials based on technogenic raw materials of metallurgical production (silica manganese slag and aluminum electrofilter dust) were studied by scanning and transmission electron microscopy methods. The production of welded joints was carried out in laboratory conditions using welding wire of the Sv-08GA brand on the equipment of the scientific and production center "Welding Processes and Technologies" of SibSIU. Quantitative analysis of the parameters of the structure and dislocation substructure of the weld metal was performed, using the equipment of the Institute of High-current Electronics SB RAS (Tomsk). The contributions of scalar and excessive dislocation density to the strength of the weld metal are estimated. It is established that the main metal phase of the studied welds (regardless of the introduction of the additive) is a solid solution based on α-iron (ferrite, BCC crystal lattice, α-phase). In addition to α-iron, particles of iron carbide (cementite) and (mainly in the sample without additives) iron silicide of the composition Fe3S are present in the weld metal. Analyzing electron microscopic images of the structure of the weld metal, it was noticed that the narrowest contours are formed at the interfacial boundaries of the inclusion – matrix. Such inclusions detected by transmission electron microscopy methods may be cementite particles located in the volume and at the boundaries of ferrite grains, and iron silicide particles of rounded (spherical) shape located in the volume of ferrite grains. It is revealed that the inclusions of the second phase present in the weld metal are stress concentrators and can be centers of microcrack nucleation under mechanical action on the material.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сварной шов</kwd><kwd>флюс</kwd><kwd>шлак силикомарганца</kwd><kwd>структура</kwd><kwd>фазовый состав</kwd><kwd>поверхность разрушения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>weld</kwd><kwd>flux</kwd><kwd>silica manganese slag</kwd><kwd>structure</kwd><kwd>phase composition</kwd><kwd>fracture surface</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">Kozyrev N.A., Mikhno A.R., Usoltsev A.A., Kryukov R.E., Umanskiy A.A. Use of silicomanganese slag and ladle electric steelmaking slag in manufacturing the welding fluxes for surfacing the mining equipment // IOP Conference Series: Earth and Environmental Science. 2018. 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