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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">lim</journal-id><journal-title-group><journal-title xml:lang="ru">Литье и металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1683-6065</issn><issn pub-type="epub">2414-0406</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/1683-6065-2020-3-84-92</article-id><article-id custom-type="elpub" pub-id-type="custom">lim-3240</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>Материаловедение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Science of materials</subject></subj-group></article-categories><title-group><article-title>Плазменные покрытия из механически синтезированных композиционных порошков на основе системы «железо-алюминий»</article-title><trans-title-group xml:lang="en"><trans-title>Plasma coatings made of mechanically synthesized composite powders based on the «iron-aluminum» system</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>Ловшенко</surname><given-names>Ф. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Lovshenko</surname><given-names>F. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Могилев, пр. Мира, 43</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федосенко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedosenko</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Могилев, пр. Мира, 43</p></bio><bio xml:lang="en"/><email xlink:type="simple">fedosenkoas@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусско-Российский университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian-Russian University</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>20</day><month>10</month><year>2020</year></pub-date><volume>0</volume><issue>3</issue><fpage>84</fpage><lpage>92</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ловшенко Ф.Г., Федосенко А.С., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Ловшенко Ф.Г., Федосенко А.С.</copyright-holder><copyright-holder xml:lang="en">Lovshenko F.G., Fedosenko A.S.</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://lim.bntu.by/jour/article/view/3240">https://lim.bntu.by/jour/article/view/3240</self-uri><abstract><p>Установлены закономерности формирования плазменных покрытий, получаемых из порошков на основе системы FeAl, синтезируемых методом реакционного механического легирования. Выявлено влияние режимов обработки композиций в механореакторе на свойства покрытий. Предложен эффективный способ управления пористостью покрытий из разработанных порошков, в основу которого положено изменение мощности, потребляемой установкой.</p><p>Плазменные покрытия имеют неравновесный фазовый состав, который в отличие от равновесного включает широкую гамму оксидов металла основы и легирующих элементов, образующихся в процессе напыления. Покрытия при этом сохраняют субмикромикрокристаллический тип структуры порошков с высокоразвитой границей зерен и субзерен. Основой покрытий является интерметаллид FeAl. В роли упрочняющих фаз выступают ультрадисперсные соединения интерметаллидов и оксидов.</p><p>Отжиг порошков оказывает значительное влияние на структуру и свойства покрытий и, в первую очередь, на слои из композиций с комплексным легированием оксидами. Термическая обработка способствует увеличению плотности и твердости покрытий и снижению пористости. Исследование образцов покрытий после отжига при высоких температурах свидетельствует о высокой жаропрочности и сохранении микрокристаллического типа структуры их основы.</p></abstract><trans-abstract xml:lang="en"><p>The regularities of the formation of plasma coatings obtained from powders based on the Fe-Al system synthesized by the reaction mechanical alloying method are established. The influence of the processing modes of the compositions in the mechanoreactor on the properties of coatings is revealed. An effective method for controlling the porosity of coatings from developed powders based on a change in the power consumed by the installation is proposed.</p><p>Plasma coatings have a nonequilibrium phase composition, which, in contrast to the equilibrium one, contains a wide range of metal oxides of the base and alloying elements formed during the spraying. The coating retains submicra – microcrystalline type of structure of powders with a highly developed grain and subgrain boundary. The basis of the coating is intermetallic FeAl. The role of hardening phases is played by ultrafine compounds of intermetallics and oxides.</p><p>Powder annealing has a significant effect on the structure and properties of coatings and, first of all, on layers from compositions with complex alloying with oxides. Heat treatment increases the density and hardness of coatings and reduces porosity. The study of coating samples after high temperature indicates high heat resistance and the preservation of the microcrystalline type of structure of their bases.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>реакционное механическое легирование</kwd><kwd>плазменное напыление</kwd><kwd>плазменные покрытия</kwd><kwd>отжиг</kwd><kwd>фазовый состав</kwd><kwd>микроструктура</kwd><kwd>твердость</kwd><kwd>пористость</kwd><kwd>FeAl</kwd></kwd-group><kwd-group xml:lang="en"><kwd>reaction mechanical alloying</kwd><kwd>plasma spraying</kwd><kwd>plasma coatings</kwd><kwd>annealing</kwd><kwd>phase composition</kwd><kwd>microstructure</kwd><kwd>hardness</kwd><kwd>porosity</kwd><kwd>FeAl</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">Фазовый состав, структура и свойства жаропрочных порошков на основе системы «железо‑алюминий», полученных по технологии реакционного механического легирования / Ф. 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