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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">10.57070/2304-4497-2023-4(46)-98-106</article-id><article-id custom-type="elpub" pub-id-type="custom">vsgiu-122</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 2. Металлургия и материаловедение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Section 2. Metallurgy and Materials Science</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ ТЕРМИЧЕСКОЙ ОБРАБОТКИ И НАНОЧАСТИЦ  НА МИКРОСТРУКТУРУ И МЕХАНИЧЕСКИЕ СВОЙСТВА  АЛЮМИНИЕВОГО СПЛАВА</article-title><trans-title-group xml:lang="en"><trans-title>INFLUENCE OF HEAT TREATMENT AND NANOPARTICLES ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF ALUMINUM ALLOY</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8421-2996</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Махан</surname><given-names>Хамид Мохаммед</given-names></name><name name-style="western" xml:lang="en"><surname>Mahan</surname><given-names>Hamid Mohammed</given-names></name></name-alternatives><bio xml:lang="ru"><p> аспирант, инженер кафедры машиностроения</p></bio><bio xml:lang="en"><p>Postgraduate student, engineer of the Department of Me-chanical Engineering</p></bio><email xlink:type="simple">hamid19812020@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Самарский национальный исследовательский университет им. академика С.П. Королева; средний технический университет, Технический институт Бакуба</institution><country>Ирак</country></aff><aff xml:lang="en"><institution>Samara National Research University named after Acade-mician S.P. Korolev; , Secondary Technical University, Bakuba Technical Institute</institution><country>Iraq</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2023</year></pub-date><volume>0</volume><issue>4</issue><fpage>98</fpage><lpage>106</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Махан Х.М., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Махан Х.М.</copyright-holder><copyright-holder xml:lang="en">Mahan H.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://vestnik.sibsiu.ru/jour/article/view/122">https://vestnik.sibsiu.ru/jour/article/view/122</self-uri><abstract><p>Изучены микроструктура и механические свойства матричного композита на основе алюминиевого сплава АА2024, армированного наночастицами TiO2. Интерметаллид AlMgCu сформирован в алюминиевой матрице, укрепленной наночастицами TiO2 с различными концентрациями (0,  2,5,  5,0 и 7,5 %), полученными с использованием технологии литья с перемешиванием. Процесс литья с перемешиванием сопровождался последующей термообработкой при 500 °C. Затем сплав быстро охлаждали в воде до температуры 25 °C и проводили старение при 185 °C в течение 3 ч. Такая обработка приводит к растворению наночастиц титана в матрице, формируются ультрадисперсные соединения вокруг зерен алюминиевого композита. Согласно полученным результатам соединения Al7Cu2Fe и Al(Cu, Mn, Fe, Si) формируют единую структуру в междендритных областях. При добавлении до 2,5 % оксида титана количество мелких игольчатых выделений Al – Cu – Mg вблизи междендритных областей увеличивалось, но дальнейшее добавление оксида титана уменьшало их количество в этой зоне. После термообработки с добавкой до 7,5 % оксида титана игольчатые выделения Al – Cu – Mg в междендритных областях исчезали и выпадали во внутренней зоне дендритов. При добавлении TiO2 и проведении термообработки непрореагировавшие интерметаллиды и Al3Ti полностью превращались в Al3MgCu. С увеличением содержания TiO2 от 5,0 до 7,5 % вместо выделений Al2CuMg в алюминиевой матрице образовывались выделения Al6Mg4Cu. Добавление 5 % оксида титана повышает твердость композита примерно на 33 % по сравнению с образцами без наночастиц оксида титана.</p></abstract><trans-abstract xml:lang="en"><p>The microstructure and mechanical properties of a matrix composite based on aluminum alloy AA2024 reinforced with TiO2 nanoparticles have been studied. AlMgCu intermetallic compound is formed in an aluminum matrix reinforced with TiO2 nanoparticles with various concentrations (0, 2.5, 5.0 and 7.5 %) obtained using mixing casting technology. The mixing casting process was followed by subsequent heat treatment at 500 °C. The alloy was then rapidly cooled in water to a temperature of 25 °C and aged at 185 °C for 3 hours. This treatment leads to the dissolution of titanium nanoparticles in the matrix, and ultrafine compounds are formed around the grains of the aluminum composite. According to the results obtained, the compounds Al7Cu2Fe and Al(Cu, Mn, Fe, Si) form a single structure in the interendritic regions. When adding up to 2.5 % titanium oxide, the number of fine needle–like Al – Cu – Mg secretions near the dendritic regions increased, but further addition of titanium oxide reduced their number in this zone. After heat treatment with the addition of up to 7.5 % titanium oxide, needle–like Al – Cu – Mg secretions in the dendritic regions disappeared and fell out in the inner zone of the dendrites. When TiO2 was added and heat treatment was carried out, the unreacted intermetallides and Al3Ti were completely converted into Al3MgCu. With an increase in the TiO2 content from 5.0 to 7.5 %, instead of Al2CuMg secretions, Al6Mg4Cu secretions were formed in the aluminum matrix. The addition of 5 % titanium oxide increases the hardness of the composite by about 33 % compared to samples without titanium oxide nanoparticles</p></trans-abstract><kwd-group xml:lang="ru"><kwd>алюминиевая матрица</kwd><kwd>интерметаллические соединения</kwd><kwd>наночастицы</kwd><kwd>твердость</kwd><kwd>микроструктура</kwd><kwd>процесс литья</kwd><kwd>титан</kwd></kwd-group><kwd-group xml:lang="en"><kwd>aluminum matrix</kwd><kwd>intermetallic compounds</kwd><kwd>nanoparticles</kwd><kwd>hardness</kwd><kwd>microstructure</kwd><kwd>casting process</kwd><kwd>titanium</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">Gnanavelbabu A., Surendran K.T.S., Kumar S. Process optimization and studies on mechanical characteristics of AA2014/Al2O3 nanocomposites fabricated through ultrasonication assisted stir–squeeze casting. 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