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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-2020-4-10</article-id><article-id custom-type="elpub" pub-id-type="custom">powder-519</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>Процессы получения и свойства порошков</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Production Processes and Properties of Powders</subject></subj-group></article-categories><title-group><article-title>Осаждение меди из раствора ее сульфата на порошок титана с одновременной механической активацией смеси</article-title><trans-title-group xml:lang="en"><trans-title>Copper deposition from its sulfate solution onto titanium powder with simultaneous mechanical activation of mixture</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>Вадченко</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Vadchenko</surname><given-names>S. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вадченко С.Г. – канд. физ.-мат. наук, вед. науч. сотр. лаборатории динамики микрогетерогенных процессов.</p><p>142432, Московская обл., г. Черноголовка, ул. Акад. Осипьяна, 8</p></bio><bio xml:lang="en"><p>Vadchenko S.G. – Cand. Sci. (Phys.-Math.), leading researcher, laboratory of dynamics of microheterogeneous processes.</p><p>142432, Moscow region, Chernogolovka, Academician Osip’yan str., 8</p></bio><email xlink:type="simple">vadchenko@ism.ac.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>Суворова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Suvorova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Суворова Е.В. – инженер лаборатории динамики микрогетерогенных процессов.</p><p>142432, Московская обл., г. Черноголовка, ул. Акад. Осипьяна, 8</p></bio><bio xml:lang="en"><p>Suvorova E.V. – engineer, laboratory of dynamics of microheterogeneous processes.</p><p>142432, Moscow region, Chernogolovka, Academician Osip’yan str., 8</p></bio><email xlink:type="simple">elsu1@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>Мухина</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhina</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мухина Н.И. – технолог лаборатории физического материаловедения.</p><p>142432, Московская обл., г. Черноголовка, ул. Акад. Осипьяна, 8</p></bio><bio xml:lang="en"><p>Mukhina N.I. – technologist, laboratory of materials science.</p><p>142432, Moscow region, Chernogolovka, Academician Osip’yan str., 8</p></bio><email xlink:type="simple">muxinanina2012@yandex.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>Ковалев</surname><given-names>И. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalev</surname><given-names>I. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ковалев И.Д. – канд. физ.-мат. наук, науч. сотр. лаборатории рентгеноструктурных исследований.</p><p>142432, Московская обл., г. Черноголовка, ул. Акад. Осипьяна, 8</p></bio><bio xml:lang="en"><p>Kovalev I.D. – Cand. Sci. (Phys.-Math.), researcher, laboratory of X-ray investigation.</p><p>142432, Moscow region, Chernogolovka, Academician Osip’yan str., 8</p></bio><email xlink:type="simple">i2212@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт структурной макрокинетики и проблем материаловедения им. А.Г. Мержанова РАН (ИСМАН)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Merzhanov Institute of Structural Macrokinetics and Materials Science of the Russian Academy of Sciences (ISMAN)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>13</day><month>03</month><year>2020</year></pub-date><volume>0</volume><issue>1</issue><fpage>4</fpage><lpage>10</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; НИТУ "МИСИС", 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">НИТУ "МИСИС"</copyright-holder><copyright-holder xml:lang="en">НИТУ "МИСИС"</copyright-holder><license xlink:href="https://powder.misis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://powder.misis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://powder.misis.ru/jour/article/view/519">https://powder.misis.ru/jour/article/view/519</self-uri><abstract><p>Для получения композитных частиц Cu–Ti использован метод осаждения меди из раствора ее сульфата на частицы порошка титана при одновременной механической активации (МА) смеси в планетарной шаровой мельнице АГО-2 в течение 5 мин. Концентрация CuSO4 ·5H2O в растворах составляла 10 и 16 %, что при полном восстановлении меди обеспечивало молярное соотношение Cu/Ti = 0,85 и 1,36 соответственно. При МА происходит быстрое восстановление меди в виде высокодисперсного частично аморфизованного порошка и формируются композитные частицы с тонкой ламинатной структурой и высокой реакционной способностью. Отмывку и хранение полученных композитных порошков проводили в атмосфере аргона, так как восстановленная медь обладает высокой активностью и на воздухе быстро окисляется до оксида Cu2O. После сушки дополнительно проводили МА смеси в течение 5 мин. Из полученных порошков прессовали таблетки диаметром 3 мм и высотой до 1,5 мм с последующим их нагревом в атмосфере аргона до температур 700–1200 °С. При нагреве образцов начиналась интенсивная реакция с выделением тепла (тепловой взрыв) и образованием интерметаллидов TiCu, Ti2Cu3 и Ti2Cu. Критическая температура воспламенения для композитных порошков, полученных МА с одновременным осаждением меди из раствора, составляет 480 °С, что на 400 °С ниже температуры воспламенения обычной смеси порошков титана и меди. При температуре нагрева, близкой к температуре плавления, сплав имеет дендритную структуру, а в случае ее превышения более чем на 100 °C распределение фаз в сплаве становится более однородным, а их размер уменьшается.</p></abstract><trans-abstract xml:lang="en"><p>Cu–Ti composite particles were obtained using the method of copper deposition from its sulfate solution onto titanium powder particles with simultaneous mechanical activation (MA) of the mixture in an AGO-2 planetary ball mill for 5 min. CuSO4 ·5H2O concentration in the solutions was 10 and 16 % providing a molar ratio of Cu/Ti = 0.85 and 1.36, respectively, in case of complete copper reduction. When mechanically activated, copper is rapidly reduced to a highly dispersed partially amorphous powder and composite particles with a fine laminate structure and high reactivity are formed. The composite powders obtained were washed and stored in argon atmosphere, since reduced copper is highly active and rapidly oxidizes in air to Cu2O. After drying, the mixture was additionally mechanically activated during 5 min. Billets 3 mm in diameter and 1.5 mm in height were pressed from the obtained powders and heated in atmosphere to 700–1200 °C. When the samples were heated, an intense reaction began with heat release (thermal explosion) and formation of intermetallic compounds of TiCu, Ti2Cu3 and Ti2Cu. The critical ignition temperature for the composite powders obtained by MA with simultaneous copper deposition from its solution is 480 °С, which is 400 °С lower than the ignition temperature of a conventional mixture of titanium and copper powders. The alloy has a dendritic structure at heating temperatures close to the melting point. When the melting point is exceeded by more than 100 °C, phase distribution in the alloy becomes more uniform, and their size decreases.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>осаждение меди</kwd><kwd>механическая активация</kwd><kwd>спекание</kwd><kwd>интерметаллиды титан–медь</kwd></kwd-group><kwd-group xml:lang="en"><kwd>copper deposition</kwd><kwd>mechanical activation</kwd><kwd>sintering</kwd><kwd>titanium-copper intermetallic compounds</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке РФФИ в рамках научного проекта № 18—03—00438. 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