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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">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2025-5-482-487</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2964</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>МАТЕРИАЛОВЕДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE</subject></subj-group></article-categories><title-group><article-title>Зависимость структуры и свойств сплава ВТ23 от параметров лазерного выращивания</article-title><trans-title-group xml:lang="en"><trans-title>Dependence of structure and properties of VT23 alloy on laser deposition parameters</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2811-8292</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сафарова</surname><given-names>Д. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Safarova</surname><given-names>D. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дарья Эйнуллаевна Сафарова, младший научный сотрудник, аспирант кафедры машиностроительных технологий</p><p>Россия, 117198, Москва, ул. Миклухо-Маклая, 6</p></bio><bio xml:lang="en"><p>Daria E. Safarova, Junior Researcher, Postgraduate of the Chair of Engineering Technology</p><p>6 Miklukho-Maklaya Str., Moscow 117198, Russian Federation</p></bio><email xlink:type="simple">safarova_de@pfur.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/0000-0002-6205-3154</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Базалеева</surname><given-names>К. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Bazaleeva</surname><given-names>K. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ксения Олеговна Базалеева, к.ф.-м.н., заместитель директора центра аддитивных и порубежных технологий</p><p>Россия, 117198, Москва, ул. Миклухо-Маклая, 6</p></bio><bio xml:lang="en"><p>Kseniya O. Bazaleeva, Cand. Sci. (Phys.-Math.), Deputy Director of Additive and Edge Technologies Centre</p><p>6 Miklukho-Maklaya Str., Moscow 117198, Russian Federation</p></bio><email xlink:type="simple">bazaleeva-ko@rudn.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/0009-0000-1094-3529</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Понкратова</surname><given-names>Ю. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ponkratova</surname><given-names>Yu. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия Юрьевна Понкратова, научный сотрудник</p><p>Россия, 117198, Москва, ул. Миклухо-Маклая, 6</p></bio><bio xml:lang="en"><p>Yuliya Yu. Ponkratova, Research Associate</p><p>6 Miklukho-Maklaya Str., Moscow 117198, Russian Federation</p></bio><email xlink:type="simple">ponkratova_yuyu@rudn.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/0009-0008-7394-6370</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алексеев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Alekseev</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Васильевич Алексеев, инженер-технолог центра аддитивных и порубежных технологий</p><p>Россия, 117198, Москва, ул. Миклухо-Маклая, 6</p></bio><bio xml:lang="en"><p>Andrei V. Alekseev, Engineer-Technologist of Additive and Edge Technologies Centre</p><p>6 Miklukho-Maklaya Str., Moscow 117198, Russian Federation</p></bio><email xlink:type="simple">alexeev-anvs@rudn.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский университет дружбы народов им. Патриса Лумумбы</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Peoples’ Friendship University of Russia named after Patrice Lumumba</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>08</day><month>11</month><year>2025</year></pub-date><volume>68</volume><issue>5</issue><fpage>482</fpage><lpage>487</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сафарова Д.Э., Базалеева К.О., Понкратова Ю.Ю., Алексеев А.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Сафарова Д.Э., Базалеева К.О., Понкратова Ю.Ю., Алексеев А.В.</copyright-holder><copyright-holder xml:lang="en">Safarova D.E., Bazaleeva K.O., Ponkratova Y.Y., Alekseev A.V.</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://fermet.misis.ru/jour/article/view/2964">https://fermet.misis.ru/jour/article/view/2964</self-uri><abstract><p>В данном исследовании проведен анализ влияния мощности лазера и скорости его перемещения на структурно-фазовое состоя­ние и свойства сложнолегированного титанового сплава ВТ23, полученного методом прямого лазерного выращивания. Титановый сплав BT23 обладает уникальным сочетанием прочности, коррозионной стойкости и биосовместимости, что делает его востребованным в аэрокосмической и медицинской отраслях. Однако традиционные методы производства (литье, штамповка) часто не обеспечивают необходимой точности и качества сложных деталей. В данной работе методами рентгенофазового анализа и оптической металлографии установлено, что выращенные образцы состоят из α- и β-фаз (~20 % β-фазы) с характерной структурой «корзиночного плетения». В макроструктуре полученных образцов зафиксированы полосы термического воздействия и межслоевые границы, образование которых связано с особенностями процесса кристаллизации при прямом лазерном выращивании. Результаты оптической металлографии показали, что микроструктура выращенного материала сочетает в себе крупные столбчатые кристаллы в местах перекрытия двух соседних слоев, а также мелкие равноосные зерна. Несмотря на такое распределение структурных составляющих микротвердость (~488 HV0,2 ) остается однородной по всему объему напечатанных образцов как в направлении сканирования лазера, так и в направлении выращивания образца. Результаты подтверждают, что прямое лазерное выращивание позволяет получать заготовки из титанового сплава BT23 с контролируе­мой микроструктурой. Оптимизация параметров процесса прямого лазерного выращивания минимизирует вероятность образования дефектов и обеспечивает стабильные механические свойства, что открывает перспективы для применения технологии в производстве ответственных деталей.</p></abstract><trans-abstract xml:lang="en"><p>The study analyzes the effect of laser power and velocity on the structural phase state and properties of complex-alloyed titanium alloy VT23 (Ti–Al–V–Mo–Cr–Fe) obtained by direct laser deposition. VT23 titanium alloy has a unique combination of strength, corrosion resistance, and biocompatibility, which makes it in demand in the aerospace and medical industries. However, traditional manufacturing methods (casting, stamping) often fail to provide the required accuracy and quality of complex parts. In this work, X-ray phase analysis and optical metallography revealed that the deposited samples consist of α- and β-phases (~20 % β-phase) with a typical “basket weave” structure. In macrostructure of the obtained samples, thermal bands and interlayer boundaries were recorded, the formation of which is associated with the peculiarities of crystallization process during direct laser deposition. The results of optical metallography showed that microstructure of the deposited material combines large columnar crystals in the overlap areas of two adjacent layers, as well as small equiaxed grains. Despite this distribution of structural components, the microhardness (~488 HV0.2 ) remains homogeneous throughout the deposited samples in both the laser scanning and sample deposition directions. The results confirm that direct laser deposition can be used to produce VT23 titanium alloy parts with a controlled microstructure. Optimization of the process parameters of direct laser deposition minimizes the probability of defect formation and provides stable mechanical properties, which opens prospects for application of the technology in the production of critical parts.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аддитивные технологии</kwd><kwd>прямое лазерное выращивание</kwd><kwd>титановые сплавы</kwd><kwd>сложные сплавы</kwd><kwd>микроструктура</kwd><kwd>фазовый состав</kwd><kwd>механические свойства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>additive technologies</kwd><kwd>direct laser deposition</kwd><kwd>titanium alloys</kwd><kwd>complex alloys</kwd><kwd>microstructure</kwd><kwd>phase composition</kwd><kwd>mechanical properties</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках проекта НИР № 202514-0-000 Системы грантовой поддержки научных проектов РУДН.</funding-statement><funding-statement xml:lang="en">The work was performed within the framework of the research project No. 202514-0-000 of the Scientific Project Grant Support System of the Peoples’ Friendship University of Russia named after Patrice Lumumba.</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">Белов С.П., Брун М.Я., Глазунов С.Г., Колачев Б.А. 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