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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">cvmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Цветная металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Non-Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3438</issn><issn pub-type="epub">2412-8783</issn><publisher><publisher-name>НИТУ МИСИС</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0021-3438-2021-3-57-65</article-id><article-id custom-type="elpub" pub-id-type="custom">cvmet-1263</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>Металловедение и термическая обработка</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Physical Metallurgy and Heat Treatment</subject></subj-group></article-categories><title-group><article-title>Обеспечение прочности сварных соединений при лазерной сварке жаропрочного дисперсионно-твердеющего никелевого сплава ЭП693</article-title><trans-title-group xml:lang="en"><trans-title>Ensuring the strength of welded joints in laser welding of EP693 heat-resistant dispersion-hardening nickel alloy</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>Баранов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аспирант кафедры «Литейные и высокоэффективные технологии» СамГТУ.</p><p>443100, Самара, Молодогвардейская ул., 244.</p></bio><bio xml:lang="en"><p>Postgraduate student of the Department of foundry and high-efficiency technologies, Samara State Technical University (SSTU).</p><p>443100, Samara, Molodogvardeiskaya str., 244.</p></bio><email xlink:type="simple">d.baranov91@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>Жаткин</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhatkin</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук, доцент кафедры «Литейные и высокоэффективные технологии» СамГТУ.</p><p>443100, Самара, Молодогвардейская ул., 244.</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), associate prof. of the Department of foundry and high-efficiency technologies of SSTU.</p><p>443100, Samara, Molodogvardeiskaya str., 244.</p></bio><email xlink:type="simple">sergejat@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>Никитин</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitin</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор технических наук, профессор, заведующий кафедрой «Литейные и высокоэффективные технологии» СамГТУ.</p><p>443100, Самара, Молодогвардейская ул., 244.</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), prof., head of the Department of foundry and high-efficiency technologies, SSTU.</p><p>443100, Samara, Molodogvardeiskaya str., 244.</p></bio><email xlink:type="simple">tlp@samgtu.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>Деев</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Deev</surname><given-names>V. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор технических наук, профессор факультета машиностроения и автоматизации Уханьского текстильного университета; профессор кафедры «Обработка металлов давлением» НИТУ «МИСиС».</p><p>430200, China, Hubei Province, Wuhan, Textile Road, 1; 119991, Москва, Ленинский пр-т, 4.</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), prof. of School of mechanical engineering and automation of Wuhan Textile University; prof. of Department of metal forming of National University of Science and Technology «MISIS».</p><p>430200, China, Hubei Province, Wuhan, Textile Road, 1; 119991, Russia, Moscow, Leninskii pr., 4.</p></bio><email xlink:type="simple">deev.vb@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никитин</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitin</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор технических наук, профессор, декан факультета машиностроения, металлургии и транспорта СамГТУ.</p><p>443100, Самара, Молодогвардейская ул., 244.</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), prof., dean of the Faculty of mechanical engineering, metallurgy and transport of SSTU.</p><p>443100, Samara, Molodogvardeiskaya str., 244.</p></bio><email xlink:type="simple">kvn-6411@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>Баринов</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Barinov</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ведущий инженер кафедры «Литейные и высокоэффективные технологии» СамГТУ.</p><p>443100, Самара, Молодогвардейская ул., 244.</p></bio><bio xml:lang="en"><p>Lead engineer of the Department of foundry and high-efficiency technologies of SSTU.</p><p>443100, Samara, Molodogvardeiskaya str., 244.</p></bio><email xlink:type="simple">tlp@samgtu.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>Юдин</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Yudin</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистрант СамГТУ.</p><p>443100, Самара, Молодогвардейская ул., 244.</p></bio><bio xml:lang="en"><p>Undergraduate student of SSTU.</p><p>443100, Samara, Molodogvardeiskaya str., 244.</p></bio><email xlink:type="simple">d.yudin2011@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Самарский государственный технический университет (СамГТУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Samara State Technical University (SSTU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Уханьский текстильный университет; Национальный исследовательский технологический университет (НИТУ) «МИСиС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Wuhan Textile University; National University of Science and Technology «MISIS»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>13</day><month>06</month><year>2021</year></pub-date><volume>0</volume><issue>3</issue><fpage>57</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Баранов Д.А., Жаткин С.С., Никитин В.И., Деев В.Б., Никитин К.В., Баринов А.Ю., Юдин Д.М., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Баранов Д.А., Жаткин С.С., Никитин В.И., Деев В.Б., Никитин К.В., Баринов А.Ю., Юдин Д.М.</copyright-holder><copyright-holder xml:lang="en">Baranov D.A., Zhatkin S.S., Nikitin V.I., Deev V.B., Nikitin K.V., Barinov A.Y., Yudin D.M.</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://cvmet.misis.ru/jour/article/view/1263">https://cvmet.misis.ru/jour/article/view/1263</self-uri><abstract><p>Рассмотрен процесс создания неразъемного соединения из жаропрочного сплава марки ЭП693 системы Ni—Cr—W—Co—Mo, применяемого в производстве узлов и деталей газотурбинных двигателей, с помощью лазерной сварки на СО2-комплексе «TruLaser Cell 7020» импульсно-периодическим излучением. Для получения сварного шва использована присадочная проволока ЭП367 системы Ni—Mo—Cr—Mn. Изучено влияние термической обработки на структуру и свойства околошовной зоны и сварного шва. По результатам исследований проведен анализ структуры сварного соединения и его изломов, выполненных лазерной сваркой, получены физико-механические свойства сварного шва, определен наибольший предел выносливости для сварных соединений при 2•106 циклах. Определена целесообразность использования лазерной сварки жаропрочного дисперсионно-твердеющего никелевого сплава при изготовлении обечаек опоры и статора турбины газотурбинного двигателя. Установлено, что комплексная термическая обработка (закалка и старение) обеспечивает оптимальные значения пределов прочности при комнатной и повышенной температурах, а также кратковременную прочность сварных соединений. На основании прочностного расчета по обечайкам опоры и статора турбины газотурбинного двигателя и полученным экспериментальным данным прочности сварных соединений, выполненных при помощи лазерной сварки с импульсно-периодическим излучением, коэффициент запаса прочности составил от 1,35 до 3,0. Данная технология предлагается к внедрению в производство при изготовлении деталей и узлов типа обечаек опоры и статора турбины газотурбинных двигателей с целью повышения качества сварных швов при сокращении времени высокотемпературного нагрева за счет снижения погонной энергии.</p></abstract><trans-abstract xml:lang="en"><p>The paper considers the process of creating a permanent connection from the EP693 heat-resistant alloy of the Ni-Cr-W-Co-Mo system used in the manufacture of components and parts of gas turbine engines by welding on the TruLaser Cell 7020 CO2 complex with pulse-periodic radiation. EP367 filler wire of the Ni—Mo—Cr—Mn system was used to obtain the weld. The influence of heat treatment on the structure and properties of the heat-affected zone and the weld was studied. Based on the research results, the weld structure and kinks obtained by laser welding was studied, weld physical and mechanical properties were identified, the maximum endurance limit for welded joints was determined at 2•106 cycles. The expediency of laser welding of the heat-resistant dispersion-hardening nickel alloy in the manufacture of shells for the turbine support and stator of gas turbine engines was determined. It was found that combined heat treatment (quenching and aging) provides optimal values of strength limits at room and elevated temperatures, as well as short-term strength of welded joints. Based on the strength calculation of the turbine support and stator of gas turbine engines and the obtained experimental data on the strength of welded joints made using laser welding with pulse-periodic radiation, the safety factor was 1.35 to 3.0. This technology is proposed to be introduced into production in the manufacture of parts and assemblies such as shells for the turbine support and stator of gas turbine engines in order to improve the quality of welds by reducing the time of high-temperature heating due to lower heat input.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазерная сварка</kwd><kwd>жаропрочный сплав</kwd><kwd>газотурбинный двигатель</kwd><kwd>сварное соединение</kwd><kwd>детали сборочных единиц</kwd><kwd>физико-механические свойства</kwd><kwd>структура</kwd></kwd-group><kwd-group xml:lang="en"><kwd>laser welding</kwd><kwd>heat-resistant alloy</kwd><kwd>gas turbine engine</kwd><kwd>welded joint</kwd><kwd>parts of assembly units</kwd><kwd>physical and mechanical properties</kwd><kwd>structure</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Минобрнауки РФ в рамках проектной части государственного задания № 0778-2020-0005.</funding-statement><funding-statement xml:lang="en">The research was funded by the Ministry of Education and Science of the Russian Federation as part of the project component of Government Task № 0778-2020-0005.</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">Иноземцев А.А., Нихамкин М.А., Сандрацкий В.Л. 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