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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2025-69-4-330-341</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-1267</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>ТЕХНИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Механохимический синтез высокотемпературных металломатричных композитов, дисперсно-упрочненных карбидами титана</article-title><trans-title-group xml:lang="en"><trans-title>Mechanochemical synthesis of high-temperature metal-matrix composites, dispersion-hardened by titanium carbides</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9950-2120</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Витязь</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vityaz</surname><given-names>P. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Витязь Петр Александрович – академик, д-р техн. наук, профессор</p><p>ул. Академическая, 12, 220072, Минск</p></bio><bio xml:lang="en"><p>Vityaz Pyotr A. – Academician, D. Sc. (Engineering), Professor</p><p>12, Akademicheskaya Str., 220072, Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7526-5044</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковалева</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovaliova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ковалева Светлана Анатольевна – канд. техн. наук, вед. науч. сотрудник</p><p>ул. Академическая, 12, 220072, Минск</p></bio><bio xml:lang="en"><p>Kovaliova Svetlana A. – Ph. D. (Engineering), Leading Researcher</p><p>12, Akademicheskaya Str., 220072, Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5915-0105</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жорник</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhornik</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жорник Виктор Иванович – д-р техн. наук, профессор, заведующий лабораторией</p><p>ул. Академическая, 12, 220072, Минск</p></bio><bio xml:lang="en"><p>Zhornik Viktor I. – D. Sc. (Engineering), Professor, Head of the Department</p><p>12, Akademicheskaya Str., 220072, Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7264-0862</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Григорьева</surname><given-names>Т. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigoreva</surname><given-names>T. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Григорьева Татьяна Федоровна – д-р хим. наук, вед. науч. сотрудник</p><p>ул. Кутателадзе, 18, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Grigoreva Tatyana F. – D. Sc. (Chemistry), Leading Researcher</p><p>18, Kutateladze Str., 630090, Novosibirsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ляхов</surname><given-names>Н. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Lyakhov</surname><given-names>N. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ляхов Николай Захарович – академик РАН, д-р хим. наук, науч. руководитель</p><p>ул. Кутателадзе, 18, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Lyakhov Nikolay Z. – Academician of the RAS, D. Sc. (Chemistry), Scientific Head</p><p>18, Kutateladze Str., 630090, Novosibirsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Объединенный институт машиностроения НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Joint Institute of Mechanical Engineering of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт химии твердого тела и механохимии СО РАН</institution></aff><aff xml:lang="en"><institution>Institute of Solid State Chemistry and Mechanochemistry of the SB of the RAS</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>08</month><year>2025</year></pub-date><volume>69</volume><issue>4</issue><fpage>330</fpage><lpage>341</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Витязь П.А., Ковалева С.А., Жорник В.И., Григорьева Т.Ф., Ляхов Н.З., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Витязь П.А., Ковалева С.А., Жорник В.И., Григорьева Т.Ф., Ляхов Н.З.</copyright-holder><copyright-holder xml:lang="en">Vityaz P.А., Kovaliova S.A., Zhornik V.I., Grigoreva T.F., Lyakhov N.Z.</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://doklady.belnauka.by/jour/article/view/1267">https://doklady.belnauka.by/jour/article/view/1267</self-uri><abstract><p>Представлены результаты рентгеноструктурных исследований эволюции фазового состава и структуры высокотемпературных металлокерамических композитов, получаемых in situ механохимическим синтезом в реакционных смесях (Ti–C)–хМе (Me = Ti, Ni, Mo; х = 50–70 мас. %). При обработке исходных порошков в планетарной шаровой мельнице с энергонапряженностью 7,0 Вт/г реализуются механостимулированные реакции с формированием металлокерамических композитов в течение 8–20 мин. Во всех рассмотренных составах, кроме Me = 70 мас. % Ti, реализуется жидкофазный механизм синтеза c формированием металломатричной аморфно-кристаллической структуры пересыщенных твердых растворов, дисперсно-упрочненных карбидами титана. В смеси (Ti–C)–70 мас. % Ti реализуется твердофазное взаимодействие с образованием пересыщенного твердого раствора αTi(C) с последующим его распадом с выделением карбида TiC0,47. Длительность стадии инициирования реакции tign находится для Me = Ti в интервале ~(2–4) мин. Формирование низкотемпературной эвтектики Ni–Ti в составе (Ti–C)–50Ni способствует сокращению tign до 1 мин и повышению скорости синтеза включений TiC0,78–0,83. Увеличение концентрации до 70 мас. % Ni приводит к увеличению tign до 4 мин. Уменьшение адиабатической температуры способствует формированию карбида, обедненного углеродом TiC0,64– 0,78. Использование тугоплавкого молибдена в качестве матричного металла увеличивает tign до ~(4–8) мин. В составах (Ti–C)–хМе (Me = Ti, Ni) механосинтезируемое количество TiC в композите достигает ~(40 ± 3) мас. % при x = 50 % и ~(27 ± 1) мас. % при х = 70 %. В составах (Ti–C)–хMo с х = 50 и 60 мас. % образуется карбид (Mo, Ti)C структурного типа NaCl в количестве ~69 мас. %. Полученные результаты показывают перспективы механохимического in situ синтеза дисперсно-упрочненных композитов на основе тугоплавких металлов для материалов с повышенной жаропрочностью и жаростойкостью.</p></abstract><trans-abstract xml:lang="en"><p>The results of XRD structural studies of the evolution of the phase composition and structure of high-temperature metal-ceramic composites obtained in situ by mechanochemical synthesis in reaction mixtures (Ti–C)–хМe (Me = Ti, Ni, Mo; х = 50–70 wt. %) have been given. When processing the initial powders in a planetary ball mill with an energy intensity of 7.0 W/g, mechanically stimulated reactions are realized with the formation of metal-ceramic composites within 8–20 min. In all of the considered compositions, except for Me = 70 wt. % Ti, a liquid-phase combustion mechanism is realized with the formation of a metal-matrix amorphous-crystalline structure of supersaturated solid solutions, which are dispersion-hardened by titanium carbides. In the (Ti–C)–70 wt. % Ti mixture, solid-phase interaction is realized with the formation of a supersaturated solid solution αTi(C) with its subsequent decomposition with the precipitation of TiC0.47. The initiation stage duration tign for Me = Ti is approximately 2–4 min. The formation of a low-temperature Ni–Ti eutectic in the (Ti–C)–50Ni composition helps to reduce the duration of the reaction ignition tign to 1 minute and to increase the synthesis rate of TiC0.78–0.83 inclusions. Increasing the concentration to 70 wt. % Ni leads to an increase in tign to 4 min. A decrease in the adiabatic temperature promotes the formation of carbon-depleted carbide TiC0.64–0.78. The use of refractory molybdenum as a matrix metal increases tign and is in the range of approximately 4–8 minutes. In compositions (Ti–C)–xMe (Me = Ti, Ni), the mechanosynthesized TiC content reaches approximately 40 ± 3 wt. % at x = 50 % and approximately 27 ± 1 wt. % at x = 70 %. In compositions (Ti–C)–xMo with x = 50 and 60 wt. %, a NaCl-type (Mo, Ti)C carbide forms in quantity of 69 wt. %. The obtained results demonstrate the promising prospects for mechanochemical in situ synthesis of dispersion-strengthened composites based on refractory metals for materials with enhanced heat resistance and high-temperature stability.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>механически стимулированные реакции</kwd><kwd>механохимический синтез</kwd><kwd>металломатричные композиты</kwd><kwd>титан</kwd><kwd>никель</kwd><kwd>молибден</kwd><kwd>карбид титана</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mechanically stimulated reactions</kwd><kwd>mechanochemical synthesis</kwd><kwd>metal matrix composites</kwd><kwd>titanium</kwd><kwd>nickel</kwd><kwd>molybdenum</kwd><kwd>titanium carbide</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">Высокотемпературные композиционные материалы с металлической матрицей (обзор) / Р. В. Батиенков, Н. П. Бурковская, А. Н. 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