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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">10.29235/1561-8323-2023-67-1-74-82</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-1114</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>Механохимическое модифицирование оловянных бронз интерметаллидом Cu9 Al4</article-title><trans-title-group xml:lang="en"><trans-title>Mechanochemical modification of tin bronzes with intermetallide Cu9 Al4</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>Витязь</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vityaz</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Витязь Петр Александрович – академик, д-р техн. наук, профессор, гл. науч. сотрудник</p><p>ул. Академическая, 12, 220072, Минск</p></bio><bio xml:lang="en"><p>Vityaz Pyotr A. – Academician, D. Sc. (Engineering), Profеssor, Chief Researcher</p><p>12, Akademicheskaya Str., 220072, Minsk</p></bio><email xlink:type="simple">vitiaz@prezidium.bas-net.by</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>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-p хим. наук, вед. науч. сотрудник</p><p>ул. Кутателадзе, 18, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Grigoreva Tatiana F. – D. Sc. (Chemistry), Leading Researcher</p><p>18, Kutateladze Str., 630090, Novosibirsk</p></bio><email xlink:type="simple">grig@solid.nsc.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>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 Laboratory  </p><p>12, Akademicheskaya Str., 220072, Minsk</p></bio><email xlink:type="simple">zhornikv@gmail.com</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>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><p> </p></bio><bio xml:lang="en"><p>Kovaliova Svetlana A. – Ph. D. (Engineering), Leading Researcher</p><p>12, Akademicheskaya Str., 220072, Minsk</p></bio><email xlink:type="simple">svetakov2021@gmail.com</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>Квашнин</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kvashnin</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Квашнин Вячеслав Игоревич – аспирант, мл. науч. сотрудник</p><p>пр. Лаврентьева, 15, 630090, Новосибирск </p></bio><bio xml:lang="en"><p>Kvashnin Vyacheslav I. – Junior Researcher</p><p>15, Lavrentyev Ave., 630090, Novosibirsk</p></bio><email xlink:type="simple">slava.kvashnin@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петрова Софья Александровна – канд. физ.-мат. наук, ст. науч. сотрудник</p><p>ул. Амундсена, 101, 620016, Екатеринбург </p></bio><bio xml:lang="en"><p>Petrova Sofia A. – Ph. D. (Physics and Mathematics), Senior Researcher</p><p>101, Amundsen Str., 620016, Yekaterinburg</p></bio><email xlink:type="simple">danaus@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Девяткина</surname><given-names>Е. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Devyatkina</surname><given-names>E. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Девяткина Евгения Тимофеевна – науч. сотрудник</p><p>ул. Кутателадзе, 18, 630090, Новосибирск </p></bio><bio xml:lang="en"><p>Devyatkina Evgeniya T. – Researcher</p><p>18, Kutateladze Str., 630090, Novosibirsk</p></bio><email xlink:type="simple">devyatkina@solid.nsc.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>Восмериков</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vosmerikov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Восмериков Сергей Владимирович – науч. сотрудник</p><p>ул. Кутателадзе, 18, 630090, Новосибирск </p></bio><bio xml:lang="en"><p>Vosmerikov Sergey V. – Researcher</p><p>18, Kutateladze Str., 630090, Novosibirsk</p></bio><email xlink:type="simple">vosmerikov@solid.nsc.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Веремей</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Veremey</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Веремей Илья Сергеевич – техник</p><p>ул. Академическая, 12, 220072, Минск</p><p> </p></bio><bio xml:lang="en"><p>Veremey Ilya S. – Technician</p><p>12, Akademicheskaya Str., 220072, Minsk</p></bio><email xlink:type="simple">stetarum@gmail.com</email><xref ref-type="aff" rid="aff-6"/></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, д-р хим. наук, науч. руководитель Института</p><p>ул. Кутателадзе, 18, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Lyakhov Nikolay Z. – Academician, D. Sc. (Chemistry), Scientific Supervisor of the Institute</p><p>18, Kutateladze Str., 630090, Novosibirsk</p></bio><email xlink:type="simple">lyakhov@solid.nsc.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Объединенный институт машиностроения Национальной академии наук 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 Сибирского отделения Российской академии наук</institution></aff><aff xml:lang="en"><institution>Institute of Solid State Chemistry and Mechanochemistry of the SB of the RAS</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт гидродинамики им. М. А. Лаврентьева</institution></aff><aff xml:lang="en"><institution>M. A. Lavrentyev Institiute of Hydrodynamics of the SB of the RAS</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт металлургии Уральского отделения Российской академии наук</institution></aff><aff xml:lang="en"><institution>Institute of Metallurgy of the UB of the&#13;
RAS</institution></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук</institution></aff><aff xml:lang="en"><institution>Institute of Solid State Chemistry and Mechanochemistry of the SB of the&#13;
RAS</institution></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>Объединенный институт машиностроения Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Joint United Institute of Mechanical Engineering of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>05</day><month>03</month><year>2023</year></pub-date><volume>67</volume><issue>1</issue><fpage>74</fpage><lpage>82</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Витязь П.А., Григорьева Т.Ф., Жорник В.И., Ковалева С.А., Квашнин В.И., Петрова С.А., Девяткина Е.Т., Восмериков С.В., Веремей И.С., Ляхов Н.З., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Витязь П.А., Григорьева Т.Ф., Жорник В.И., Ковалева С.А., Квашнин В.И., Петрова С.А., Девяткина Е.Т., Восмериков С.В., Веремей И.С., Ляхов Н.З.</copyright-holder><copyright-holder xml:lang="en">Vityaz P.A., Grigoreva T.F., Zhornik V.I., Kovaliova S.A., Kvashnin V.I., Petrova S.A., Devyatkina E.T., Vosmerikov S.V., Veremey I.S., 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/1114">https://doklady.belnauka.by/jour/article/view/1114</self-uri><abstract><p>Методами рентгеноструктурного анализа, оптической и электронной микроскопии изучено влияние условий механической активации смеси Cu–12 мас. % Sn с различным содержанием модификатора Cu9 Al4 на структурно-фазовый состав и морфологию формируемых композитов. При механохимическом введении 10 мас. %-ной модифицирующей добавки в матрицу механосинтезированной оловянной бронзы в продукте формируется в основном тройной твердый раствор алюминия и олова в меди, Al0,05Cu0,9Sn0,05. В случае 20 мас. %-ной модифицирующей добавки в продукте присутствуют твердый раствор олова в меди Cu0,9Sn0,1 и интерметаллид Cu9 Al4. Исследования механических и триботехнических характеристик материала, получаемого методом спекания под давлением, показали, что интенсивность изнашивания механохимически синтезированного порошка Cu–12 мас. % Sn незначительно меньше, чем у промышленной бронзы БрОФ 10-1, коэффициент трения f снижается в 1,4 раза, а диапазон разброса его значений достаточно широк f = 0,7–0,9. Модифицирование механосинтезированной бронзы Cu–12 мас. % Sn интерметаллидом Cu9 Al4 позволяет снизить изнашиваемость в 1,4–1,8 раза и значительно снизить коэффициент трения (в 2 раза). Cтабильное значение f = 0,5 достигается для механической активации состава Cu–12 мас. % Sn + + 20 мас. % Cu9 Al4. Введение интерметаллида повышает микротвердость сплавов в 1,6–2,0 раза (до Hμ = 2730 МПа) относительно сплава бронзы БрОФ 10-1 и механосинтезированной бронзы.</p></abstract><trans-abstract xml:lang="en"><p>The influence of the conditions of mechanical activation of a mixture of Cu–12 wt. % Sn with different content of the modifier Cu9 Al4 on the structural-phase composition and morphology of the formed composites was studied by the methods of X-ray diffraction analysis, optical and electron microscopy. With the mechanochemical introduction of 10 wt. % of the modifying additive into the matrix of mechanosynthesized tin bronze, the product mainly forms a ternary solid solution of aluminum and tin in copper, Al0.05Cu0.9Sn0.05. In the case of 20 wt. % of the modifying additive, the product contains a solid solution of tin in copper Cu0.9Sn0.1 and an intermetallic compound Cu9 Al4. Studies of the mechanical and tribotechnical characteristics of the material obtained by sintering under pressure showed that the intensity of wear of bronze of the mechanochemically synthesized powder Cu–12 wt. % Sn is slightly less than that of industrial bronze BrTPh10-1, the friction coefficient f decreases by a factor of 1.4, and the range of its values is quite wide f = 0.7–0.9. Modification of mechanically synthesized Cu–12 wt. % Sn bronze with the Cu9 Al4 intermetallic compound makes it possible to reduce wear by a factor of 1.4–1.8 and significantly reduces the friction coefficient (by a factor of 2). A stable value of f = 0.5 is achieved for the MA composition Cu–12 wt. % Sn + 20 wt. % Cu9 Al4. The introduction of an intermetallic compound increases the microhardness of the alloys by a factor of 1.6–2.0 (up to Hμ = 2730 MPa) relative to the bronze alloy BrTPh10-1and mechanically synthesized bronze.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оловянная бронза</kwd><kwd>интерметаллид Cu9 Al4</kwd><kwd>модифицирование</kwd><kwd>механическая активация</kwd><kwd>спекание под давлением</kwd><kwd>интенсивность изнашивания</kwd><kwd>коэффициент трения</kwd><kwd>микротвердость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>tin bronze</kwd><kwd>Cu9 Al4 intermetallic compound</kwd><kwd>modification</kwd><kwd>mechanical activation</kwd><kwd>pressure sintering</kwd><kwd>wear rate</kwd><kwd>friction coefficient</kwd><kwd>microhardness</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">Nadolski, M. The evaluation of mechanical properties of high-tin bronzes / M. 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