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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">10.17073/0368-0797-2023-5-604-609</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2635</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>ФИЗИКО-ХИМИЧЕСКИЕ ОСНОВЫ МЕТАЛЛУРГИЧЕСКИХ ПРОЦЕССОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICO-CHEMICAL BASICS OF METALLURGICAL PROCESSES</subject></subj-group></article-categories><title-group><article-title>Влияние водорода на восстановление оксида никеля на поверхности сопловой лопатки газотурбинной установки</article-title><trans-title-group xml:lang="en"><trans-title>Effect of hydrogen on nickel oxide reduction on the surface of nozzle blade of a gas turbine unit</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-8974-2564</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фомина</surname><given-names>Д. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Fomina</surname><given-names>D. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дарья Дмитриевна Фомина, ассистент кафедры «Химические технологии»</p><p>Россия, 614990, Пермь, Комсомольс­кий пр., 29</p></bio><bio xml:lang="en"><p>Dar’ya D. Fomina, Assistant of the Chair of ”Chemical Engineering”</p><p>29 Komsomolskii Ave., Perm 614990, Russian Federation</p></bio><email xlink:type="simple">Fomina97@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>Пойлов</surname><given-names>В. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Poilov</surname><given-names>V. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Зотович Пойлов, д.т.н., профессор кафедры «Химичес­кие технологии», руководитель ЦКП «Центр наукоёмких химичес­ких технологий и физико-химических исследований»</p><p>Россия, 614990, Пермь, Комсомольс­кий пр., 29</p></bio><bio xml:lang="en"><p>Vladimir Z. Poilov, Dr. Sci. (Eng.), Prof. of the Chair “Chemical Engineering”, Head of the Shared Collective Use Center “Center for High-tech Chemical Technologies and Physico-Chemical Research”</p><p>29 Komsomolskii Ave., Perm 614990, Russian Federation</p></bio><email xlink:type="simple">vladimirpoilov@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>Галлямов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Gallyamov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Николаевич Галлямов, аспирант кафедры «Химические технологии»</p><p>Россия, 614990, Пермь, Комсомольс­кий пр., 29</p></bio><bio xml:lang="en"><p>Andrei N. Gallyamov, Postgraduate of the Chair “Chemical Engineering”</p><p>29 Komsomolskii Ave., Perm 614990, Russian Federation</p></bio><email xlink:type="simple">andrewg96@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Пермский национальный исследовательский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Perm National Research Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>11</day><month>11</month><year>2023</year></pub-date><volume>66</volume><issue>5</issue><fpage>604</fpage><lpage>609</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фомина Д.Д., Пойлов В.З., Галлямов А.Н., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Фомина Д.Д., Пойлов В.З., Галлямов А.Н.</copyright-holder><copyright-holder xml:lang="en">Fomina D.D., Poilov V.Z., Gallyamov A.N.</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/2635">https://fermet.misis.ru/jour/article/view/2635</self-uri><abstract><p>В настоящее время растет интерес к использованию водорода в составе топливных смесей для турбореактивных двигателей и газотурбинных установок. Воздействие водорода на жаропрочные никелевые сплавы лопаток газотурбинных установок мало изучено. Данная работа посвящена исследованию влияния водорода на восстановление оксида никеля на поверхности сопловой лопатки газотурбинных установок. Рассмотрено взаимодействие водорода при различных условиях с оксидами металлов, способы восстановления оксидов металлов на поверхности лопаток газотурбинного двигателя. Термодинамика реакций взаимодействия оксидов алюминия, титана, никеля и вольфрама с фтороводородом и реакций фторидов с водородом изучена в диапазоне температур 273 – 1373 К. Установлено, что взаимодействие оксида алюминия с фтороводородом протекает в диапазоне температур от 273 до 1073 К, оксида титана с фтороводородом – от 273 до 373 К, оксида никеля с фтороводородом – от 273 до 873 К. При этом из образовавшихся фторидов с водородом реагирует только фторид никеля при температурах выше 673 К. Водород во всем интервале температур взаимодействует с оксидом никеля, а с оксидом вольфрама – при температурах выше 1173 К. Изучены особенности воздействия водорода на жаропрочные никелевые сплавы лопаток газотурбинных установок, подвергнутых предварительному фторированию и не обработанных соединениями фтора. Установлено, что восстановление оксида никеля водородом лучше протекает после процесса предварительного фторирования. При этом на поверхности образца лопатки образуются частицы размером 2 – 5 мкм, содержащие 90,16 % Ni. Без фторирования процесс восстановления оксида никеля водородом при температуре 1223 К и длительности 1 ч не происходит.</p></abstract><trans-abstract xml:lang="en"><p>Currently, there is a growing interest in the use of hydrogen in the composition of fuel mixtures for turbojet engines and gas turbine units (GTU). The effect of hydrogen on heat-resistant nickel alloys of gas turbine blades has been little studied. In this regard, this work is devoted to studying the effect of hydrogen on nickel oxide reduction on the surface of the nozzle blade of a gas turbine engine. Hydrogen is a good reducing agent. Therefore, this article discusses the effects of hydrogen under various conditions with metal oxides, and methods of metal oxides reduction on the surface of the blades of a gas turbine engine. The thermodynamics of the interaction of aluminum, titanium, nickel and tungsten oxides with hydrogen fluoride and reactions of fluoride with hydrogen was investigated in the temperature range 273 – 1373 K. It was established that the interaction of aluminum oxide with hydrogen fluoride occurs in the temperature range from 273 to 1073 K, titanium oxide with hydrogen fluoride – from 273 to 373 K, nickel oxide with hydrogen fluoride – from 273 to 873 K. In this case, of the resulting fluorides, only nickel fluoride interacts with hydrogen at temperatures above 673 K. Hydrogen interacts with nickel oxide throughout the entire temperature range, and with tungsten oxide at temperatures above 1173 K. We studied the effect of hydrogen on heat-resistant nickel alloys of gas turbine blades subjected to preliminary fluorination and not treated with fluorine compounds. Nickel oxide reduction with hydrogen proceeds better after the preliminary fluorination process. In this case, particles 2 – 5 μm in size containing 90.16 % Ni are formed on the surface of the blade sample. Without fluorination, this process at 1223 K and duration of 1 h does not occur.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>водород</kwd><kwd>восстановительные свойства</kwd><kwd>очистка поверхности</kwd><kwd>сопловые лопатки</kwd><kwd>жаропрочные никелевые сплавы</kwd><kwd>газотурбинная установка</kwd><kwd>фтористый водород</kwd><kwd>Дейтон-процесс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hydrogen</kwd><kwd>reduction properties</kwd><kwd>surface cleaning</kwd><kwd>nozzle blades</kwd><kwd>heat-resistant nickel alloys</kwd><kwd>gas turbine unit</kwd><kwd>hydrogen fluoride</kwd><kwd>Dayton process</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Результаты получены при выполнении государственного задания Министерства науки и высшего образования Российской Федерации на выполнение фундаментальных научных исследований (проект FSNM-2023-0004).</funding-statement><funding-statement xml:lang="en">The results were obtained during the implementation of the state assignment of the Ministry of Science and Higher Education of the Russian Federation (project FSNM-2023-0004).</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">Радченко Р.В. 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