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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Doklady Chemistry</journal-id><journal-title-group><journal-title xml:lang="en">Doklady Chemistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Российской академии наук. Химия, науки о материалах</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2686-9535</issn><issn publication-format="electronic">3034-5111</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">683265</article-id><article-id pub-id-type="doi">10.31857/S2686953525010048</article-id><article-id pub-id-type="edn">AWGWOD</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CHEMICAL TECHNOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Preparation and study of titanium alloy Ti–38Zr–9Nb (at. %) for medical purposes</article-title><trans-title-group xml:lang="ru"><trans-title>Получение и исследование титанового сплава Ti–38Zr–9Nb (ат. %) медицинского назначения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kaplan</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Каплан</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Konushkin</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Конушкин</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sergienko</surname><given-names>K. V.</given-names></name><name xml:lang="ru"><surname>Сергиенко</surname><given-names>К. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gorbenko</surname><given-names>A. D.</given-names></name><name xml:lang="ru"><surname>Горбенко</surname><given-names>А. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zhidkov</surname><given-names>V. K.</given-names></name><name xml:lang="ru"><surname>Жидков</surname><given-names>В. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Volchikhina</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Волчихина</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sevostyanova</surname><given-names>T. M.</given-names></name><name xml:lang="ru"><surname>Севостьянова</surname><given-names>Т. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Morozova</surname><given-names>Ya. A.</given-names></name><name xml:lang="ru"><surname>Морозова</surname><given-names>Я. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ivannikov</surname><given-names>A. Yu.</given-names></name><name xml:lang="ru"><surname>Иванников</surname><given-names>А. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Frolova</surname><given-names>M. G.</given-names></name><name xml:lang="ru"><surname>Фролова</surname><given-names>М. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kolmakov</surname><given-names>A. G.</given-names></name><name xml:lang="ru"><surname>Колмаков</surname><given-names>А. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Corresponding Member of the RAS<bold> </bold></p></bio><bio xml:lang="ru"><p>член-корреспондент РАН<bold> </bold></p></bio><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sevostyanov</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Севостьянов</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mishakaplan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт металлургии и материаловедения имени А.А. Байкова Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Pirogov Russian National Research Medical University</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет имени Н.И. Пирогова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2025</year></pub-date><volume>520</volume><issue>1</issue><fpage>33</fpage><lpage>40</lpage><history><date date-type="received" iso-8601-date="2025-06-07"><day>07</day><month>06</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/2686-9535/article/view/683265">https://journals.eco-vector.com/2686-9535/article/view/683265</self-uri><abstract xml:lang="en"><p>Titanium and its alloys have a number of unique properties, such as high specific strength, corrosion resistance, non-toxicity and biocompatibility with human tissues. Due to these properties, they are widely used to create prosthetic joints for the human body. However, the material used for implants, VT6 (Ti–6Al–4V), can cause a stress shielding effect due to a higher elastic modulus (110 GPa) compared to human bone (&lt;30 GPa). In addition, Al and V ions released from the VT6 alloy can cause health problems such as Alzheimer<italic>'</italic>s disease, osteomalacia and neuropathy. Therefore, the development of titanium-based materials that are non-toxic and have mechanical properties corresponding to natural bone is an urgent task. In this paper, we study Ti–38Zr–9Nb (at. %) alloy ingots and plates obtained from them. Particular attention is paid to the homogeneity of the chemical composition, microstructure, phase composition and mechanical properties. The ingots obtained as a result of the work are suitable for further pressure processing. Homogenizing annealing at a temperature of 1000°C for two hours destroys the dendritic structure of the alloy. After homogenizing annealing, the α<italic>'</italic>-phase completely dissolves in the β-phase, which is the main one for using the alloy in implants. The microstructure of the plates is uniform and consists of polyhedral β-grains. The grain size after rolling is approximately 100 μm. X-ray phase analysis showed that the alloy consists of metastable β-Ti stabilized by Nb and Zr. The Ti-38Zr-9Nb alloy has good mechanical properties, which make it a suitable material for medical purposes.</p></abstract><trans-abstract xml:lang="ru"><p>Титан и его сплавы обладают рядом уникальных свойств, таких как высокая удельная прочность, устойчивость к коррозии, нетоксичность и биосовместимость с тканями человека. Благодаря этим свойствам они широко используются для создания протезов суставов человеческого тела. В данной работе исследуются слитки сплавов Ti–38Zr–9Nb (ат. %) и полученные из них пластины. Особое внимание уделяется однородности химического состава, микроструктуре, фазовому составу и механическим свойствам. Полученные слитки подходят для дальнейшей обработки давлением. Гомогенизирующий отжиг при температуре 1000°С в течение двух часов разрушает дендритную структуру сплава. После гомогенизирующего отжига α′-фаза полностью растворяется в β-фазе, которая является основной для использования сплава в имплантах. Микроструктура пластины однородна и состоит из полиэдрических β-зерен. Размер зерен после прокатки составляет примерно 100 мкм. Рентгенофазовый анализ показал, что сплав состоит из метастабильного β-Ti, стабилизированного Nb и Zr. Сплав Ti–38Zr–9Nb обладает механическими свойствами, близкими к свойствам человеческой кости, а именно низким модулем упругости, высокой прочностью и пластичностью, которые делают его перспективным материалом для применения в медицинских целях.</p></trans-abstract><kwd-group xml:lang="en"><kwd>titanium alloys</kwd><kwd>zirconium alloys</kwd><kwd>biocompatible materials</kwd><kwd>ingots</kwd><kwd>plates</kwd><kwd>mechanical properties</kwd><kwd>elastic modulus</kwd><kwd>microstructure</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>титановые сплавы</kwd><kwd>циркониевые сплавы</kwd><kwd>биосовместимые материалы</kwd><kwd>слитки</kwd><kwd>пластины</kwd><kwd>механические свойства</kwd><kwd>модуль упругости</kwd><kwd>микроструктура</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>24-13-00186</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Kim H.Y., Ikehara Y., Kim J.I., Hosoda H., Miyazaki S. // Acta mater. 2006. 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