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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">powder</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Порошковая металлургия и функциональные покрытия</journal-title><trans-title-group xml:lang="en"><trans-title>Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-308X</issn><issn pub-type="epub">2412-8767</issn><publisher><publisher-name>НИТУ "МИСИС"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/1997-308X-2022-1-43-48</article-id><article-id custom-type="elpub" pub-id-type="custom">powder-673</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>Тугоплавкие, керамические и композиционные материалы</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Refractory, Ceramic, and Composite Materials</subject></subj-group></article-categories><title-group><article-title>Влияние добавок хрома на структуру, свойства и адгезию медной связки к алмазу</article-title><trans-title-group xml:lang="en"><trans-title>Effect of chromium addition on the copper binder structure, properties and adhesion to diamond</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>Логинов</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Loginov</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, ст. науч. сотр. лаборатории «In situ диагностика структурных превращений»</p><p>119991, г. Москва, Ленинский пр-т, 4</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), senior research scientist of the Laboratory «In situ diagnostics of structural transformations»</p><p>119991, Moscow, Leninskii pr., 4 </p></bio><email xlink:type="simple">pavel.loginov.misis@list.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>Марков</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Markov</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл. науч. сотр. лаборатории «In situ диагностика структурных превращений»</p><p>г. Москва</p></bio><bio xml:lang="en"><p>junior research scientist of the Laboratory «In situ diagnostics of structural transformations»</p><p>Moscow</p></bio><email xlink:type="simple">markov.sci@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>Рупасов</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Rupasov</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>вед. эксперт научного проекта Научно-учебного центра СВС</p><p>г. Москва</p></bio><bio xml:lang="en"><p>leading expert of scientific project of the Scientific-Educational Centre of SHS </p><p>Moscow</p></bio><email xlink:type="simple">vosapur@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский технологический университет (НИТУ) «МИСИС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology (NUST) «MISIS»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>24</day><month>03</month><year>2022</year></pub-date><volume>0</volume><issue>1</issue><fpage>43</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Логинов П.А., Марков Г.М., Рупасов С.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Логинов П.А., Марков Г.М., Рупасов С.И.</copyright-holder><copyright-holder xml:lang="en">Loginov P.A., Markov G.M., Rupasov S.I.</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://powder.misis.ru/jour/article/view/673">https://powder.misis.ru/jour/article/view/673</self-uri><abstract><p>Исследовано влияние добавок хрома на структуру, механические свойства и адгезию сплавов, предназначенных для использования в качестве связки металлоалмазных композитов. Порошковые смеси Cu–Cr были получены методом высокоэнергетической механической обработки в планетарной центробежной мельнице. Такая обработка позволила получить двухфазные порошки в системе Cu–Cr с равномерно распределенными субмикронными частицами Cr. Компактные образцы состава Cu–Х%Cr (где Х = 10, 30 и 50 %) были получены методом горячего прессования. Установлено, что максимальными механическими свойствами обладали компактные образцы состава Cu—30%Cr (в 9 раз выше, чем у чистой меди). В этих сплавах реализуется упрочнение по механизму Холла–Петча. Полученные сплавы имеют однородную ультрамелкодисперсную структуру, за счет чего достигаются высокие значения предела прочности при изгибе (2330 МПа). Введение хрома в медную связку позволяет существенно повысить ее адгезию к алмазу в металлоалмазных композитах за счет химического взаимодействия хрома, находящегося в составе связки, с углеродом алмаза с образованием карбида Cr3C2.</p></abstract><trans-abstract xml:lang="en"><p>The study covers the effect of chromium on the structure, mechanical properties, and adhesion of alloys used as a binder for metal-diamond composites. Cu–Cr powder mixtures were obtained by high-energy ball milling in a planetary centrifugal mill. This process was used to obtain two-phase Cu–Cr powders with uniformly distributed submicron Cr particles. Cu–Х%Cr compact samples (where Х = 10, 30 and 50 %) were obtained by hot pressing. It was found that Cu–30%Cr compact samples showed the best mechanical properties (9 times higher as compared to pure copper). These alloys feature a hardening mechanism based on the Hall–Petch law. The resulting alloys have a homogenous ultrafine structure, which results in high ultimate bending strength (2330 MPa). Chromium addition to the copper binder considerably increases its adhesion to diamond in metal-diamond composites due to chemical interaction between chromium included into the binder and diamond carbon with Cr3C2 carbide formation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>композиционный материал</kwd><kwd>синтетический алмаз</kwd><kwd>порошковая металлургия</kwd><kwd>прочность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>composite material</kwd><kwd>synthetic diamond</kwd><kwd>powder metallurgy</kwd><kwd>strength</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Российского научного фонда в рамках проекта № 17-79-20384.</funding-statement><funding-statement xml:lang="en">The research was funded by the Russian Science Foundation as part of Project № 17-79-20384.</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">Stoessel C.H., Withers J.C., Pan C., Wallace D., Loutfy R.O. 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