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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">10.17073/0021-3438-2022-6-49-57</article-id><article-id custom-type="elpub" pub-id-type="custom">cvmet-1429</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>Влияние равноканального углового прессования на структуру и механические свойства нового β-Ti-сплава Ti–10Mo–8Nb–6Zr</article-title><trans-title-group xml:lang="en"><trans-title>Effect of equal channel angular pressing on the structure and mechanical properties of new Ti–10Mo–8Nb–6Zr β-Ti 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>Гундеров</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gunderov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. физ.-мат. наук, вед. науч. сотрудник; вед. науч. сотрудник </p><p>450054, г. Уфа, пр. Октября, 71</p><p>450076, г. Уфа, ул. Заки Валиди, 32</p></bio><bio xml:lang="en"><p>Dr. Sci. (Phys.-Math.), leading researcher; leading researcher </p><p>450054, Ufa, pr. Oktyabrya, 71</p><p>450076, Ufa, Zaki Validi str., 32 </p></bio><email xlink:type="simple">dimagun@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>Чуракова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Churakova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. физ.-мат. наук, науч. сотрудник ИФМК УФИЦ РАН; ст. науч. сотрудник </p><p>г. Уфа</p></bio><bio xml:lang="en"><p>Cand. Sci. (Phys.-Math.), research associate; senior researcher  </p><p>Ufa</p></bio><email xlink:type="simple">berbatovaanna@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>Поляков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Polyakov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, ст. науч. сотрудник; ст. науч. сотрудник </p><p>г. Уфа</p><p>614990, г. Пермь, Комсомольский пр-т, 29</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), senior researcher; Senior researcher </p><p>Ufa</p><p>614990, Perm, Komsomolskii pr., 29</p></bio><email xlink:type="simple">deathex@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>Рааб</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Raab</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, науч. сотрудник </p><p>г. Уфа</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), research associate  </p><p>Ufa</p></bio><email xlink:type="simple">agraab@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>Гундерова</surname><given-names>С. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Gunderova</surname><given-names>S. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студентка</p><p>г. Уфа</p></bio><bio xml:lang="en"><p>student </p><p>Ufa</p></bio><email xlink:type="simple">gynderova@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>Лебедев</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lebedev</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. физ.-мат. наук, ст. науч. сотрудник</p><p>г. Уфа</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), senior researcher </p><p>Ufa</p></bio><email xlink:type="simple">lebedev@anrb.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>Rosifini Alves Claro</surname><given-names>Ana Paula</given-names></name><name name-style="western" xml:lang="en"><surname>Rosifini Alves Claro</surname><given-names>Ana Paula</given-names></name></name-alternatives><bio xml:lang="ru"><p>prof.</p><p>São Paulo</p></bio><bio xml:lang="en"><p>prof. </p><p>São Paulo</p></bio><email xlink:type="simple">paula.rosifini@unesp.br</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики молекул и кристаллов Уфимского федерального исследовательского центра Российской академии наук (ИФМК УФИЦ РАН); Уфимский университет науки и технологий (УУНиТ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Molecule and Crystal Physics of the Ufa Federal Research Center of the Russian Academy of Sciences; Ufa University of Science and Technology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Уфимский университет науки и технологий (УУНиТ); Пермский национальный исследовательский политехнический университет (ПНИПУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ufa University of Science and Technology; Perm National Research Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Уфимский университет науки и технологий (УУНиТ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ufa University of Science and Technology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт физики молекул и кристаллов Уфимского федерального исследовательского центра Российской академии наук (ИФМК УФИЦ РАН)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Molecule and Crystal Physics of the Ufa Federal Research Center of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>São Paulo State University</institution><country>Бразилия</country></aff><aff xml:lang="en"><institution>São Paulo State University</institution><country>Brazil</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>07</day><month>12</month><year>2022</year></pub-date><volume>28</volume><issue>6</issue><fpage>49</fpage><lpage>57</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гундеров Д.В., Чуракова А.А., Поляков А.В., Рааб А.Г., Гундерова С.Д., Лебедев Ю.А., Rosifini Alves Claro A., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Гундеров Д.В., Чуракова А.А., Поляков А.В., Рааб А.Г., Гундерова С.Д., Лебедев Ю.А., Rosifini Alves Claro A.</copyright-holder><copyright-holder xml:lang="en">Gunderov D.V., Churakova A.A., Polyakov A.V., Raab A.G., Gunderova S.D., Lebedev Y.A., Rosifini Alves Claro A.</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/1429">https://cvmet.misis.ru/jour/article/view/1429</self-uri><abstract><p>В данной работе представлены сравнительные исследования структурных и механических свойств нового β-Ti-сплава Ti–10Mo–8Nb–6Zr, подвергнутого традиционной холодной ротационной ковке и равноканальному угловому прессованию (РКУП) при температуре 250 °С. Основной фазой в исходном закаленном состоянии, после ковки и РКУП-обработки является ОЦК-β-фаза. Уширение рентгеновских линий β-фазы и данные ПЭМ свидетельствуют об измельчении структуры и повышении концентрации дефектов решетки после деформационных обработок. В исходном состоянии сплав имеет временнóе сопротивление при растяжении около 700 МПа, условный предел текучести 450 МПа и относительное удлинение до разрушения ~30 %. В результате ковки временнóе сопротивление и условный предел текучести сплава Ti–10Mo–8Nb–6Zr повышаются до 1230 и 950 МПа, а после РКУП – до 1280 и 1270 МПа соответственно, а также снижается относительное удлинение до 6 %. Значительное увеличение прочностных характеристик сплава Ti–10Mo–8Nb–6Zr, подверженного РКУП, делает его более перспективным для применения в медицине.</p></abstract><trans-abstract xml:lang="en"><p>This paper presents comparative studies of the structural and mechanical properties of the new Ti–10Mo–8Nb–6Zr β-Ti alloy subjected to traditional cold rotary forging and equal channel angular pressing (ECAP) at 250 °C. The main phase in the initial hardened state after forging and ECAP is the BCC β phase. A broadening of the β phase X-ray lines and TEM data indicate a reduction in the structure and an increase in the concentration of lattice defects after deformation treatments. In the initial state, the alloy has an ultimate tensile strength of about 700 MPa, offset yield strength of 450 MPa and elongation at break of ~30 %. As a result of forging, the ultimate tensile strength and offset yield strength of the alloy increase to 1230 and 950 MPa, and after ECAP – to 1280 and 1270 MPa, respectively. At the same time, the elongation is reduced to 6 % after ECAP. A significant increase in the strength of the Ti–10Mo–8Nb–6Zr alloy after ECAP makes it more promising for use in medicine.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Ti-сплавы</kwd><kwd>равноканальное угловое прессование (РКУП)</kwd><kwd>наноструктурное состояние</kwd><kwd>механические свойства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Ti alloys</kwd><kwd>equal channel angular pressing (ECAP)</kwd><kwd>nanostructural state</kwd><kwd>mechanical properties</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке проекта РФФИ БРИКС_т 19-58-80018 (ПЭМ-исследования) и РНФ № РНФ 20-69-47029 (РКУП, РСА-исследования). Авторы выражают благодарность Центру коллективного пользования «Нанотех» УГАТУ (http://nanotech.ugatu.ac.ru).</funding-statement><funding-statement xml:lang="en">The research was funded by RFBR BRICS_т Project No. 19-58-80018 (TEM studies) and Russian Science Foundation Project No. RSF 20-69-47029 (ECAP, XRS studies). The authors thank the Nanotech Common Use Center of the Ufa State Aviation Technical University (http://nanotech.ugatu.ac.ru)</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">Brunette D.M., Tengvall P., Textor M., Thomsen P. Titanium in medicine, Berlin: Springer, 2001.</mixed-citation><mixed-citation xml:lang="en">Brunette D.M., Tengvall P., Textor M., Thomsen P. 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