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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">10.29235/1561-8323-2019-63-3-360-369</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-623</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>ТЕХНИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Влияние ультрадисперсной добавки алюминида железа на структуру и свойства порошковых материалов на основе железа и меди</article-title><trans-title-group xml:lang="en"><trans-title>Influence of the ultrafine iron aluminide additive on the structure and properties of iron and copper powder materials</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>Дьячкова</surname><given-names>Л. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Dyachkova</surname><given-names>L. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дьячкова Лариса Николаевна – д-р техн. наук, доцент, заведующий лабораторией</p><p>ул. Платонова, 41, 220005, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Dyachkova Larisa Nikolaevna – D. Sc. (Engineering), Associate professor, Head of the Laboratory</p><p>41, Platonov Str., 220005, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">dyachkova@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>Витязь</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vityaz</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Витязь Петр Александрович – академик, д-р техн. наук, профессор</p><p>пр. Независимости, 66, 220072, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Vityaz Petr Alexandrovich – Academician, D. Sc. (Engineering), Professor</p><p>66, Nezavisimosti Ave., 220072, Minsk, Republic of Belarus</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ильющенко</surname><given-names>А. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Ilyushchenko</surname><given-names>A. Ph.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ильющенко Александр Федорович – член-корреспондент, д-р техн. наук, профессор, директор</p><p>ул. Платонова, 41, 220005, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Ilyushchenko Alexandr Phedorovich – Corresponding Member, D. Sc. (Engineering), Professor, Director</p><p>41, Platonov Str., 220005, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">alexil@mailbelpak.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>Воронецкая</surname><given-names>Л. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Voronetskaya</surname><given-names>L. J.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воронецкая Леонора Яковлевна – науч. сотрудник</p><p>ул. Платонова, 41, 220005, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Voronetskaya Leonora Jakovlevna – Researcher</p><p>41, Platonov Str., 220005, Minsk, Republic of Belarus</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лецко</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Letsko</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лецко Андрей Иванович – канд. техн. наук, доцент, заведующий лабораторией</p><p>ул. Платонова, 41, 220005, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Letsko Andrey Ivanovich – Ph. D. (Engineering), Associate professor, Head of the laboratory</p><p>41, Platonov Str., 220005, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">letsko@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>Парницкий</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Parnitsky</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Парницкий Николай Михайлович – мл. науч. сотрудник</p><p>ул. Платонова, 41, 220005, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Parnitsky Nikolay Mikhaylovich – Junior researcher</p><p>41, Platonov Str., 220005, Minsk, Republic of Belarus</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт порошковой металлургии имени О. В. Романа Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Powder Metallurgy Institute named after O. V. Roman of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Президиум Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Presidium of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>27</day><month>06</month><year>2019</year></pub-date><volume>63</volume><issue>3</issue><fpage>360</fpage><lpage>369</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дьячкова Л.Н., Витязь П.А., Ильющенко А.Ф., Воронецкая Л.Я., Лецко А.И., Парницкий Н.М., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Дьячкова Л.Н., Витязь П.А., Ильющенко А.Ф., Воронецкая Л.Я., Лецко А.И., Парницкий Н.М.</copyright-holder><copyright-holder xml:lang="en">Dyachkova L.N., Vityaz P.A., Ilyushchenko A.P., Voronetskaya L.J., Letsko A.I., Parnitsky N.M.</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/623">https://doklady.belnauka.by/jour/article/view/623</self-uri><abstract><p>Представлены результаты исследований влияния введения алюминида железа различного химического и фазового состава на структуру и механические свойства порошковой углеродистой стали и оловянистой бронзы. Показано, что введение 0,5 % однофазного алюминида железа Fe3Al приводит к повышению прочности порошковой углеродистой стали на 30–40 МПа, двухфазного Fe2Al5 – FeAl3 – на 80–90 МПа, 1 % – к незначительному снижению прочности. При введении однофазного алюминида железа в структуре порошковой стали наблюдается уменьшение цементита, разнозеренности, происходит диффузия алюминия в основу, при введении двухфазного алюминида – еще и измельчение зерна. Установлено, что введение 0,5 % однофазного алюминида железа в порошковую бронзу позволяет повысить ее прочность на 80–100 МПа, двухфазного – приводит к снижению прочности на 40–50 МПа. Введение 1 % однофазного алюминида железа и 0,2–1 % двухфазного алюминида вызывает изменение морфологии структуры порошковой бронзы вследствие легирования основы алюминием и железом.</p></abstract><trans-abstract xml:lang="en"><p>The results on the effect of introduction of iron aluminide of various chemical and phase compositions on the structure and mechanical properties of powdered carbon steel and tin bronze are presented. It is shown that the introduction of 0.5 % single-phase iron aluminide Fe3Al leads to an increase in the strength of powdered carbon steel by 30–40 MPa, of biphase Fe2Al5 –FeAl3 – by 80–90 MPa, 1 % – to an insignificant decrease in strength. When a single-phase iron aluminide in the powder steel structure is introduced, a decrease in cementite, differentiation is observed, aluminum diffusion into the substrate occurs, and when two-phase aluminide is introduced, the structure griding occurs as well. It is established that the introduction of 0.5 % single-phase iron aluminide into powder bronzes makes it possible to increase its strength by 80– 100 MPa, two-phase – leads to a reduction in strength by 40–50 MPa. Introduction of 1 % single-phase iron aluminide and 0.2–1 % biphasic aluminide causes a change in the morphology of the structure of the powder bronze due to alloying the copper with aluminum and iron.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>порошковые материалы на основе железа и меди</kwd><kwd>алюминиды железа</kwd><kwd>структура</kwd><kwd>плотность</kwd><kwd>прочность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>powder materials based on iron and copper</kwd><kwd>iron aluminides</kwd><kwd>structure</kwd><kwd>density</kwd><kwd>strength</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">Батаев, А. А. 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