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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">vestift</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-технических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physical-technical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8358</issn><issn pub-type="epub">2524-244X</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">10.29235/1561-8358-2020-65-3-292-298</article-id><article-id custom-type="elpub" pub-id-type="custom">vestift-613</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, МЕТАЛЛУРГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIALS SCIENCES AND ENGINEERING, METALLURGY</subject></subj-group></article-categories><title-group><article-title>Структура и свойства быстрозатвердевающей фольги сплава Sn – 14 ат.% In – 6,5 ат.% Zn</article-title><trans-title-group xml:lang="en"><trans-title>Structure and properties of rapidly solidifing foils Sn – 14 at.% In – 6.5 at.% Zn</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5899-1690</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шепелевич</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shepelevich</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шепелевич Василий Григорьевич – доктор физикоматематических наук, профессор</p><p>пр. Независимости, 4, 220030, Минск</p></bio><bio xml:lang="en"><p>Vasiliy G. Shepelevich – D. Sc. (Physics and Mathematics), Professor</p><p>4, Nezavisimosti Ave., Minsk, 220030</p></bio><email xlink:type="simple">Shepelevich@bsu.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9796-4476</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гусакова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusakova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гусакова Ольга Вадимовна – кандидат физикоматематических наук, доцент</p><p>ул. Долгобродская, 23, 220070, Минск</p></bio><bio xml:lang="en"><p>Olga V. Gusakova – Ph. D. (Physics and Mathematics), Associate Professor</p><p>23, Dolgobrodskaya Str., Minsk, 220070</p></bio><email xlink:type="simple">Ol.gusakova@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0366-0584</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гусакова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusakova</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гусакова София Викторовна – кандидат физикоматематических наук, ведущий инженер</p><p>пр. Независимости, 4, 220030, Минск</p></bio><bio xml:lang="en"><p>Sofia V. Gusakova – Ph. D. (Physics and Mathematics), Lead Engineer</p><p>4, Nezavisimosti Ave., Minsk, 220030</p></bio><email xlink:type="simple">husakova@bsu.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>Метто</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Metto</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Метто Екатерина Сергеевна – студент</p><p>пр. Независимости, 4, 220030, Минск</p></bio><bio xml:lang="en"><p>Ekaterina S. Metto – Student</p><p>4, Nezavisimosti Ave., Minsk, 220030</p></bio><email xlink:type="simple">Kmetto@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет</institution></aff><aff xml:lang="en"><institution>Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Международный государственный экологический институт имени А.Д. Сахарова Белорусского государственного университета</institution></aff><aff xml:lang="en"><institution>International Sakharov Environmental Institute of Belarusian State University</institution></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>65</volume><issue>3</issue><fpage>292</fpage><lpage>298</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шепелевич В.Г., Гусакова О.В., Гусакова С.В., Метто Е.С., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Шепелевич В.Г., Гусакова О.В., Гусакова С.В., Метто Е.С.</copyright-holder><copyright-holder xml:lang="en">Shepelevich V.G., Gusakova O.V., Gusakova S.V., Metto E.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://vestift.belnauka.by/jour/article/view/613">https://vestift.belnauka.by/jour/article/view/613</self-uri><abstract><p>Представлены результаты исследований влияния сверхвысоких скоростей охлаждения расплава, равных 105 K/с, на фазовый состав, микроструктуру, зеренную структуру и механические свойства сплава Sn – 14 ат.% In – 6,5 ат.% Zn. Для изготовления образцов использовался метод сверхбыстрой закалки из расплава. Капля расплава инжектировалась на внутреннюю поверхность быстровращающегося медного цилиндра и затвердевала в виде фольги, толщиной 30–90 мкм. Исследования фазового состава, проведенные методом рентгеноструктурного анализа, позволили установить, что фольга состоит из твердого раствора цинка в γ-фазе (Sn4In) и цинка. Наблюдения за микроструктурой фольги с помощью растровой электронной микроскопии показали, что при комнатной температуре протекает распад пересыщенного твердого раствора с выделением дисперсных частиц цинка. Методом дифракции обратно отраженных электронов изучен характер зеренной структуры и текстуры фольги. Предложен механизм формирования зерен вытянутой формы, заключающийся в том, что при высокой скорости затвердевания, сравнимой со скоростью движения расплава по поверхности кристаллизатора, рост зерен может происходить не только в направлении, противоположном направлению теплоотвода, но и в направлении движения расправа. Формирование преимущественного роста зерен, у которых наиболее плотноупакованная плоскость (0001) параллельна поверхности фольги, обеспечивает максимальную скорость понижения энтальпии сплава в процессе кристаллизации. Выявлены особенности влияния микроструктуры и зеренной структуры на механические свойства фольги. Микротвердость быстрозатвердевающего сплава Sn – 14 ат.% In – 6,5 ат.% Zn составляет 105 МПа. Кривая растяжения фольги сплава Sn – 14 ат.% In – 6,5 ат.% Zn, полученная при комнатной температуре, имеет вид, характерный для кривой растяжения металлов при высокой температуре, что обусловлено низкой температурой плавления γ-фазы.</p></abstract><trans-abstract xml:lang="en"><p>The results of studies of the effect of ultra-high cooling rates of the melt equal to 105 K/s on the phase composition, microstructure, grain structure and mechanical properties of the Sn – 14 at.% In – 6.5 at.% Zn alloy are presented. To prepare the samples, the rapid quenching from the melt technique was used. A drop of melt was injected onto the inner surface of a rapidly rotating copper cylinder and solidifing in the form of a foil with a thickness of 30–90 μm. Investigations of the phase composition, carried out by the method of Х-ray diffraction analysis, made it possible to establish that the foil consists of a solid solution of zinc in the γ -phase (Sn4In) and zinc. Observations of the microstructure of the foil using scanning electron microscopy showed that the decomposition of a supersaturated solid solution proceeds at room temperature with the release of dispersed zinc particles. The character of the grain structure and texture of the foil is studied by the electron backscatter diffraction technique. A mechanism of the formation of elongated grains is proposed, which consists in the fact that at a high solidification rate, comparable to the rate of movement of the melt over the surface of the mold, grain growth can occur not only in the direction opposite to the direction of heat removal, but also in the direction of movement of the spreading. The formation of the preferred growth of grains, in which the most closely-packed plane (0001) is parallel to the foil surface, provides the maximum rate of decrease in the enthalpy of the alloy during crystallization. The features of the influence of the microstructure and grain structure on the mechanical properties of the foil are revealed. The microhardness of the rapidly solidifing Sn – 14 at.% In – 6.5 at.% Zn alloy is 105 MPa. The stress–strain curve of the Sn – 14 at.% In – 6.5 at.% Zn foil, obtained at room temperature, has a shape specific for the stress–strain curve of metals at high temperatures, which is due to the low melting point of the γ-phase.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>высокоскоростное затвердевание</kwd><kwd>олово</kwd><kwd>индий</kwd><kwd>цинк</kwd><kwd>микроструктура</kwd><kwd>механические свойства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high-speed solidification</kwd><kwd>tin</kwd><kwd>indium</kwd><kwd>zinc</kwd><kwd>microstructure</kwd><kwd>mechanical properties</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">Диаграммы состояния двойных металлических систем: справочник: в 3 т. / под ред. Н.П. Лякишева. – М.: Машиностроение, 2001. – Т. 1. – 872 с.</mixed-citation><mixed-citation xml:lang="en">Lyakishev N. P., ed. 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