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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2018-62-6-674-684</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-567</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>ФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group></article-categories><title-group><article-title>Влияние мощного ультразвука на процессы горения и фазовый состав тугоплавких соединений титана при самораспространяющемся высокотемпературном синтезе</article-title><trans-title-group xml:lang="en"><trans-title>Effect of powerful ultrasound on the combustion processes and phase composition of refractory compounds of titanium at the self-propagating high-temperature synthesis</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>Клубович</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Klubovich</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>академик, д-р техн. наук, профессор</p></bio><bio xml:lang="en"><p>Academician, D. Sc. (Engineering), Professor</p></bio><email xlink:type="simple">v_klubovich@tut.by</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>Кулак</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulak</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, ст. науч. сотрудник</p></bio><bio xml:lang="en"><p>Ph. D. (Engineering), Senior researcher</p></bio><email xlink:type="simple">mmk_vit@tut.by</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>Хина</surname><given-names>Б. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Khina</surname><given-names>B. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р физ.-мат. наук, доцент, гл. науч. сотрудник</p></bio><bio xml:lang="en"><p>D. Sc. (Physics and Mathematics), Associate рrofessor, Chief researcher</p></bio><email xlink:type="simple">khina@tut.by</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский национальный технический университет, Минск</institution></aff><aff xml:lang="en"><institution>Belarusian National Technical University, Minsk</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт технической акустики Национальной академии наук Беларуси,&#13;
Витебск</institution></aff><aff xml:lang="en"><institution>Institute of Technical Acoustics of the National Academy of Sciences of Belarus, Vitebsk</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Физикo-технический институт Национальной академии наук Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>Physical-Technical Institute of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>13</day><month>01</month><year>2019</year></pub-date><volume>62</volume><issue>6</issue><fpage>674</fpage><lpage>684</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Клубович В.В., Кулак М.М., Хина Б.Б., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Клубович В.В., Кулак М.М., Хина Б.Б.</copyright-holder><copyright-holder xml:lang="en">Klubovich V.V., Kulak M.M., Khina B.B.</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://doklady.belnauka.by/jour/article/view/567">https://doklady.belnauka.by/jour/article/view/567</self-uri><abstract><p>На разработанной экспериментальной установке исследовано влияние ультразвуковых колебаний (УЗК) на условия теплообмена между образцом и окружающей средой. Определено влияние амплитуды УЗК на скорость и температуру горения, фазовый состав и параметры кристаллических решеток синтезированных соединений при самораспространяющемся высокотемпературном синтезе (СВС) в системах Ti–С(Si,B). Выполнена оценка коэффициента теплообмена на поверхности образца при его колебаниях с ультразвуковой частотой. Рассмотрены возможные механизмы влияния УЗК на СВС-процесс. Показано, что уменьшение температуры СВС обусловлено охлаждением образца из-за вынужденной конвекции окружающего газа, а изменение фазового состава синтезируемого материала и кристаллографических параметров фаз связано с изменением условий высокотемпературного гетерогенного взаимодействия в волне СВС.</p></abstract><trans-abstract xml:lang="en"><p>The effect of ultrasound oscillations (USO) on the heat transfer conditions between a specimen and environment is examined using a specially developed experimental facility. The influence of the USO amplitude on the combustion temperature and velocity as well as on the phase composition and crystal lattice parameters of the synthesized compounds is studied for the self-propagating high-temperature synthesis (SHS) in Ti–С(Si,B) systems. The heat transfer coefficient on the surface of a specimen during its oscillations with an ultrasound frequency is assessed. Possible mechanisms of the effect of USO on the SHS process are considered. It is demonstrated that a decrease in the SHS temperature is connected with cooling the specimen due to forced convection of a surrounding gas, while a change in a phase composition of the synthesized material and the crystallographic parameters of the phases occurs due to changes in the conditions of high-temperature heterogeneous interactions in the SHS wave.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>самораспространяющийся высокотемпературный синтез</kwd><kwd>ультразвуковые колебания</kwd><kwd>скорость и максимальная температура горения</kwd><kwd>карбид (силицид</kwd><kwd>борид) титана</kwd><kwd>фазовый состав</kwd></kwd-group><kwd-group xml:lang="en"><kwd>self-propagating high-temperature synthesis</kwd><kwd>ultrasound oscillations</kwd><kwd>velocity and maximal temperature of combustion</kwd><kwd>titanium carbide (silicide</kwd><kwd>boride)</kwd><kwd>phase composition</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">К вопросу о равновесности продуктов СВС / А. 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