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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">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2019-2-163-167</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-1590</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SHORT REPORTS</subject></subj-group></article-categories><title-group><article-title>ТЕРМОДИНАМИКА РАСТВОРОВ КИСЛОРОДА В РАСПЛАВАХ СИСТЕМЫ Ni–Co, СОДЕРЖАЩИХ КРЕМНИЙ</article-title><trans-title-group xml:lang="en"><trans-title>THERMODYNAMICS OF THE OXYGEN SOLUTIONS IN SILICON-CONTAINING Ni–Co MELTS</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>Александров</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Aleksandrov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., старший научный сотрудник</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Senior Researcher</p></bio><email xlink:type="simple">a.a.aleksandrov@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>Дашевский</surname><given-names>В. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Dashevskii</surname><given-names>V. Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор кафедры энергоэффективных и ресурсосберегающих промышленных технологий, зав. лабораторией</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor of the Chair “EnergyEfficient and Resource-Saving Industrial Technologies”, Head of the Laboratory</p></bio><email xlink:type="simple">vdashev@imet.ac.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт металлургии и материаловедения им. А.А. Байкова РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Baikov Institute of Metallurgy and Materials Science, RAS, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт металлургии и материаловедения им. А.А. Байкова РАН;&#13;
Национальный исследовательский технологический университет «МИСиС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Baikov Institute of Metallurgy and Materials Science, RAS, Moscow;&#13;
National University of Science and Technology “MISIS” (MISIS), Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>29</day><month>03</month><year>2019</year></pub-date><volume>62</volume><issue>2</issue><fpage>163</fpage><lpage>167</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Александров А.А., Дашевский В.Я., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Александров А.А., Дашевский В.Я.</copyright-holder><copyright-holder xml:lang="en">Aleksandrov A.A., Dashevskii V.Y.</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://fermet.misis.ru/jour/article/view/1590">https://fermet.misis.ru/jour/article/view/1590</self-uri><abstract><p>Проведен термодинамический анализ растворов кислорода в расплавах системы Ni – Co, содержащих кремний. Определены константа равновесия реакции раскисления никель-кобальтовых расплавов кремнием, коэффициенты активности при бесконечном разбавлении и параметры взаимодействия в расплавах различного состава. Рассчитаны зависимости растворимости кислорода в изученных расплавах от содержания кобальта и кремния. Раскислительная способность кремния снижается по мере увеличения содержания кобальта в расплаве. В сплавах Ni – Co, содержащих более 20  % кобальта, при содержании кремния менее 0,2  % раскислительная способность кремния практически одинаковая. При содержании кремния более 2  % раскислительная способность кремния снижается тем больше, чем выше содержание кобальта в сплавах.</p></abstract><trans-abstract xml:lang="en"><p>Thermodynamic analysis of oxygen solutions in silicon-containing Ni – Co melts has been carried out. The equilibrium constant of interaction of silicon and oxygen dissolved in the nickel-cobalt melts, the activity coefficients at infinite dilution, and the interaction parameters characterizing these solutions were determined for melts of different composition. The dependences of the oxygen solubility on the contents of cobalt and silicon in the studied melts were calculated. With increasing cobalt content in melt deoxidation ability of silicon decreases. In Ni – Co alloys containing more than 20  % of cobalt, when the silicon content is less than 0.2  %, deoxidizing ability of silicon is almost the same. At silicon content more than 2  %, the higher is cobalt content in alloys, the more is decrease in deoxidizing ability of silicon.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>система Ni – Co</kwd><kwd>расплавы</kwd><kwd>кремний</kwd><kwd>кислород</kwd><kwd>термодинамический анализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Ni – Co system</kwd><kwd>melts</kwd><kwd>silicon</kwd><kwd>oxygen</kwd><kwd>thermodynamic analysis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнялась по государственному заданию № 007- 00129-18-00</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">Reed R.C. The Superalloys. Fundamentals and Applications. – Cambridge: University Press, 2006. – 372 p.</mixed-citation><mixed-citation xml:lang="en">Reed R.C. The Superalloys. Fundamentals and Applications. 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