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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">npe</journal-id><journal-title-group><journal-title xml:lang="ru">Ядерная физика и инжиниринг</journal-title><trans-title-group xml:lang="en"><trans-title>Nuclear Physics and Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5629</issn><issn pub-type="epub">2079-5637</issn><publisher><publisher-name>МИФИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.56304/S207956292406040X</article-id><article-id custom-type="edn" pub-id-type="custom">RALLOC</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-405</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>Перспективные конструкционные материалы</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Promising Structural Materials</subject></subj-group></article-categories><title-group><article-title>ПОЛИМЕР–КЕРАМИЧЕСКИЙ КОМПОЗИТ ДЛЯ ИЗГОТОВЛЕНИЯ ДИЭЛЕКТРИЧЕСКИХ ДЕТАЛЕЙ КОСМИЧЕСКИХ ДВИГАТЕЛЕЙ МАЛОЙ ТЯГИ</article-title><trans-title-group xml:lang="en"><trans-title>POLYMER–CERAMIC COMPOSITE FOR MANUFACTURING DIELECTRIC PARTS OF LOW-THRUST SPACE ENGINES</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>Ситников</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sitnikov</surname><given-names>S. A.</given-names></name></name-alternatives><email xlink:type="simple">nbulychev@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>Астапов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Astapov</surname><given-names>A. N.</given-names></name></name-alternatives><email xlink:type="simple">nbulychev@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>Данилов</surname><given-names>М. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Danilov</surname><given-names>M. D.</given-names></name></name-alternatives><email xlink:type="simple">nbulychev@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>Мельников</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Melnikov</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">nbulychev@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>Бутусова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Butusova</surname><given-names>O. A.</given-names></name></name-alternatives><email xlink:type="simple">nbulychev@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>Булычев</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bulychev</surname><given-names>N. A.</given-names></name></name-alternatives><email xlink:type="simple">nbulychev@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский авиационный институт (Национальный исследовательский университет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Aviation Institute (National Research University)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>25</day><month>12</month><year>2024</year></pub-date><volume>15</volume><issue>6</issue><fpage>567</fpage><lpage>572</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ситников С.А., Астапов А.Н., Данилов М.Д., Мельников А.В., Бутусова О.А., Булычев Н.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ситников С.А., Астапов А.Н., Данилов М.Д., Мельников А.В., Бутусова О.А., Булычев Н.А.</copyright-holder><copyright-holder xml:lang="en">Sitnikov S.A., Astapov A.N., Danilov M.D., Melnikov A.V., Butusova O.A., Bulychev N.A.</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://npe.elpub.ru/jour/article/view/405">https://npe.elpub.ru/jour/article/view/405</self-uri><abstract><p>В работе представлены результаты по получению и исследованию свойств термостойких диэлектрических композиционных материалов на основе кремнийорганических полимеров для изготовления деталей космических двигателей малой тяги, например, разрядной камеры одного из типов электроракетных двигателей – высокочастотного ионного двигателя. В рамках исследования был предложен состав полимер−керамического материала на основе диметилсилоксанового каучука, армированного порошком α-фазы диоксида кремния. Композит соответствует широкому комплексу требований к материалу разрядных камер, среди которых главным образом следует выделить вибростойкость, радиопрозрачность и термостойкость до 400°С. Установлена взаимосвязь между скоростью нагрева при довулканизации полимер−керамического композита и потерей его массы. Показано, что температурный режим при довулканизации/отжиге в вакууме композита существенным образом влияет на эксплуатационные свойства разрядных камер. Результаты исследования позволили успешно изготовить образцы разрядных камер из данного композита для лабораторной модели высокочастотного ионного двигателя с диаметром пучка 100 мм.</p></abstract><trans-abstract xml:lang="en"><p>Heat-resistant dielectric composite materials based on organosilicon polymers for the manufacture of parts for low-thrust space engines, for example, the discharge chamber of a high-frequency ion engine, which is one of the types of electric rocket engines, have been synthesized and their properties have been studied. A composition of a polymer−ceramic material based on dimethylsiloxane rubber reinforced with α-phase silicon dioxide powder has been proposed. The composite meets a wide range of requirements for the material of discharge chambers, among which vibration resistance, radio transparency, and heat resistance up to 400°C should be highlighted. A relationship has been established between the heating rate during post-vulcanization of a polymer−ceramic composite and its mass loss. It has been shown that the temperature regime during pre-vulcanization/annealing of the composite in vacuum significantly affects the operational properties of the discharge chambers. The results of the study have allowed us to successfully produce samples of discharge chambers from this composite for a laboratory model of a high-frequency ion engine with a beam diameter of 100 mm.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>керамика</kwd><kwd>кремнийорганические эластомеры</kwd><kwd>композиционные материалы</kwd><kwd>двигатели малой тяги</kwd><kwd>электроракетные двигатели</kwd><kwd>разрядная камера</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ceramics</kwd><kwd>organosilicon elastomers</kwd><kwd>composite materials</kwd><kwd>low-thrust engines</kwd><kwd>electric rocket engines</kwd><kwd>discharge chamber</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Российского научного фонда, проект № 22-19-00419.</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">Loeb H.W. // Acta Astronautica. 2015. 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