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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-2022-4-58-66</article-id><article-id custom-type="elpub" pub-id-type="custom">powder-745</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>Самораспространяющийся высокотемпературный синтез</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Self-Propagating High-Temperature Synthesis (SHS)</subject></subj-group></article-categories><title-group><article-title>Особенности СВС многокомпонентных карбидов</article-title><trans-title-group xml:lang="en"><trans-title>Features of SHS of multicomponent carbides</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>Кочетов</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kochetov</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> канд. физ.-мат. наук, ст. науч. сотр. лаборатории динамики микрогетерогенных процессов</p><p>142432, Московская обл, Ногинский р-н, г. Черноголовка, ул. Академика Осипьяна, 8</p></bio><bio xml:lang="en"><p>Cand. Sci. (Phys.-Math.), senior researcher of the Laboratory of dynamics of microheterogeneous processes</p><p>142432,  Moscow region, Noginsk district, Chernogolovka, Academician Osip’yan str., 8</p></bio><email xlink:type="simple">kolyan_kochetov@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>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> канд. физ.-мат. наук, науч. сотр. лаборатории рентгеноструктурных исследований</p><p>142432, Московская обл, Ногинский р-н, г. Черноголовка, ул. Академика Осипьяна, 8</p></bio><bio xml:lang="en"><p> Cand. Sci. (Phys.-Math.), researcher of the Laboratory of X-ray investigation </p><p>142432,  Moscow region, Noginsk district, 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>2022</year></pub-date><pub-date pub-type="epub"><day>10</day><month>12</month><year>2022</year></pub-date><volume>0</volume><issue>4</issue><fpage>58</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; НИТУ "МИСИС", 2022</copyright-statement><copyright-year>2022</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/745">https://powder.misis.ru/jour/article/view/745</self-uri><abstract><p>Изучено горение порошков переходных металлов: титана марки ПТС (средний размер частиц 57 мкм), циркония ПЦРК-1 (12 мкм), тантала Та ПМ-3 (8 мкм), гафния ГФМ-1 (4 мкм), ниобия НБП-1а (21 мкм) – с сажей марки П-803 дисперсностью 1–2 мкм. Процесс горения спрессованных образцов (масса 2,5–6,9 г, высота 1,2–1,7 см, относительная плотность 0,55–0,61) осуществляли в инертной среде аргона при давлении 760 мм рт. ст. в камере постоянного давления. Исследовали комбинации Me1 + Me2 + Me3 + Me4 + 4С и Me1 + Me2 + Me3 + Me4 + Me5 + 5С. Рентгенограммы смесей регистрировали на дифрактометре «Дрон-3М» (CuKα-излучение). Шлифы продуктов горения изучали на сканирующем электронном микроскопе LEO 1450 VP (Carl Zeis, Германия). Фракционный состав и распределение частиц смеси по размеру устанавливали по стандартной методике на лазерном анализаторе размера частиц «Микросайзер-201C» (РФ). Определяли скорость горения, удлинение образцов, фазовый состав продуктов. Впервые экспериментально измерена максимальная температура горения смеси (Ti + Hf + Zr + Nb + Ta) + 5C. Также наблюдали за морфологией и микроструктурой продуктов реакции. Продукты горения смесей (Ti + Zr + Nb + Ta) + 4C и (Ti + Zr + Nb + Hf) + 4C содержат высокоэнтропийные карбиды, представляющие собой твердые растворы с одинаковым структурным типом B1 (пространственная группа Fm-3m) и обладающие различными параметрами ячейки. Образцы продуктов смесей (Ti + Zr + Hf + Ta) + 4C и (Ti + Hf + Zr + Nb + Ta) + 5C содержат в составе высокоэнтропийные и среднеэнтропийные карбиды, также представляющие собой твердые растворы с одинаковым структурным типом B1 (пространственная группа Fm-3m). Результаты данной работы могут найти применение при получении высокоэнтропийных и среднеэнтропийных многокомпонентных карбидов.</p></abstract><trans-abstract xml:lang="en"><p>Combustion of powders of transition metals of titanium PTS (average particle size 57 μm), zirconium PCRK-1 (12 μm), tantalum Ta PM-3 (8 μm), hafnium GFM-1 (4 μm), niobium NBP-1a (21 μm) with carbon black grade P-803 dispersion 1–2 μm was studied. The combustion process of the compressed samples (mass 2.5–6.9 g, height 1.2–1.7 cm, relative density 0.55–0.61) was performed in an inert argon medium at a pressure of 760 mmHg in the constant pressure chamber.  Combinations were studied, Me1 + Me2 + Me3 + Me4 + 4C, Me1 + Me2 + Me3 + Me4 + Me5 + 5C. XRD patterns of the mixtures were recorded on a DRON-3М diffractometer (CuKα-radiation). Combustion product sections were studied using a LEO 1450 VP scanning electron microscope (Carl Zeiss, Germany). The fractional composition and particle size distribution of the mixture were determined according to standard procedure using a Microsizer-201C laser particle size analyzer. Combustion velocity, elongation of samples, phase composition of products were determined. The maximum combustion temperature of the mixture (Ti + Hf + Zr + Nb + Ta) + 5C was measured experimentally for the first time. The morphology and microstructure of the reaction products were also observed. Combustion products of mixtures (Ti + Zr + Nb + Ta) + 4C and (Ti + Zr + Nb + Hf) + 4C contain high entropy carbides, which are solid solutions with the same structural type B1 (space group Fm-3m) and having different cell parameters. Product samples of mixtures (Ti + Zr ++ Hf + Ta) + 4C and (Ti + Hf + Zr + Nb + Ta) + 5C contain high entropy and medium entropy carbides, also representing solid solutions with the same structural type B1 (space group Fm-3m). The results of this work can be used in the production of high-entropy and medium-entropy multicomponent carbides.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>СВС</kwd><kwd>горение</kwd><kwd>высокоэнтропийные многокомпонентные карбиды</kwd><kwd>среднеэнтропийные карбиды</kwd><kwd>высокоэнтропийная керамика</kwd><kwd>переходные металлы</kwd><kwd>тугоплавкие металлы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>SHS</kwd><kwd>combustion</kwd><kwd>high-entropy multicomponent carbides</kwd><kwd>medium entropy carbides</kwd><kwd>high-entropy ceramics</kwd><kwd>transition metals</kwd><kwd>refractory metals</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">Мержанов А.Г., Боровинская И.П. Самораспространяющийся высокотемпературный синтез тугоплавких неорганических соединений. ДАН СССР. 1972. Т. 204. No 2. 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