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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">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2024-2-74-83</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-643</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ПРИМЕНЕНИЕ МЕТОДА РЕЗЕРФОРДОВСКОГО ОБРАТНОГО РАССЕЯНИЯ ДЛЯ ИССЛЕДОВАНИЯ РАДИАЦИОННОЙ СЕГРЕГАЦИИ ВЫСОКОЭНТРОПИЙНЫХ СПЛАВОВ НА ОСНОВЕ НИКЕЛЯ</article-title><trans-title-group xml:lang="en"><trans-title>APPLICATION OF RUTHERFORD BACKSCATTERING METHOD FOR STUDYING RADIATION-INDUCED SEGREGATION OF HIGH-ENTROPY NICKEL-BASED ALLOYS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3598-1633</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аманжулов</surname><given-names>Б. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Amanzhulov</surname><given-names>B. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>инженер Астанинского филиала ИЯФ, докторант ЕНУ имени Л.Н. Гумилева, Алматы;</p><p>Астана</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">amanzhulov_bs_1@enu.kz</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>Иванов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>начальник циклотрона ДЦ-60, Алматы;</p><p>Астана</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">igor.ivanov.inp@gmail.com</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>Рыскулов</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryskulov</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">ryskulov_nbd@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Углов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Uglov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">uglov@bsu.by</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курахмедов</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurakhmedov</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алматы;</p><p>Астана</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">kurahmedov.alisher@gmail.com</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>Сапар</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Sapar</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алматы;</p><p>Астана</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">Sapar2603@gmail.com</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>Унгарбаев</surname><given-names>Е. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Ungarbayev</surname><given-names>Y. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алматы;</p><p>Астана</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">ye1.7ung@gmail.com</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>Колобердин</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Koloberdin</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алматы;</p><p>Астана</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">koloberdin@inp.kz</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">РГП «Институт ядерной физики» МЭ РК;&#13;
НАО «Евразийский национальный университет им. Л.Н. Гумилева»<country>Казахстан</country></aff><aff xml:lang="en">RSE «Institute of nuclear physics» ME RK;&#13;
NJSC “L.N. Gumilyov Eurasian National University”<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">РГП «Институт ядерной физики» МЭ РК<country>Казахстан</country></aff><aff xml:lang="en">RSE «Institute of nuclear physics» ME RK<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Белорусский государственный университет<country>Беларусь</country></aff><aff xml:lang="en">Belarusian State University<country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2024</year></pub-date><volume>0</volume><issue>2</issue><fpage>74</fpage><lpage>83</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аманжулов Б.С., Иванов И.А., Рыскулов А.Е., Углов В.В., Курахмедов А.Е., Сапар А.Д., Унгарбаев Е.О., Колобердин М.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Аманжулов Б.С., Иванов И.А., Рыскулов А.Е., Углов В.В., Курахмедов А.Е., Сапар А.Д., Унгарбаев Е.О., Колобердин М.В.</copyright-holder><copyright-holder xml:lang="en">Amanzhulov B.S., Ivanov I.A., Ryskulov A.E., Uglov V.V., Kurakhmedov A.E., Sapar A.D., Ungarbayev Y.O., Koloberdin M.V.</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://journals.nnc.kz/jour/article/view/643">https://journals.nnc.kz/jour/article/view/643</self-uri><abstract><p>В данном исследовании была изучена радиационная сегрегация в высокоэнтропийных сплавах (ВЭС) CoCrFeNi, CoCrFeMnNi, облученных ионами гелия He2+ с энергией 40 кэВ при комнатной температуре. Изменения концентраций элементов ВЭС и их распределений по глубине изучались методами Резерфордовского обратного рассеяния (РОР) и энергодисперсионной рентгеновской спектроскопии (ЭДС). Измерения методами РОР и ЭДС показали, что необлученные ВЭС обладают близким к эквиатомному составом, где средняя концентрация для CoCrFeNi равна 24,8 атомных процентов (ат.%), а для CoCrFeMnNi – 20 ат.%. Результаты ЭДС существенно отличались от РОР в концентрациях Ni/Co, и указали на отсутствие значительных изменений распределения элементов в обоих ВЭС после облучения. Согласно данным РОР, наибольшие изменения концентраций при облучении в обоих ВЭС относятся к обогащению атомами Ni. В CoCrFeNi при облучении наибольшей сегрегации подвергаются атомы Ni/Co, а в CoCrFeMnNi значительно меняются концентрации Ni/Co/Fe. В CoCrFeMnNi сильнее чем в CoCrFeNi проявилось изменение концентраций элементов с ростом флюенса облучения. В CoCrFeMnNi изменения концентраций всех элементов при обоих флюенсах достигали 0,5–17% (0,1–3,1 ат.%) и превысили изменения в CoCrFeNi, достигавшие 2–11% (0,5–1,9 ат.%). Было установлено, что устойчивость к сегрегации при облучении ионами гелия в данных условиях у CoCrFeMnNi была ниже, чем у CoCrFeNi. В обоих ВЭС изменения концентраций Co, Fe, Cr, Mn были значительно меньше, чем изменения около стоков и кластеров дефектов при облучении ионами никеля со схожими дозами в других исследованиях при температурах близких к температуре полуплавления никелевых ВЭС. Исследование методом РОР показало равномерное распределение атомов по глубине и устойчивость к сегрегации в CoCrFeNi, CoCrFeMnNi при облучении ионами гелия.</p></abstract><trans-abstract xml:lang="en"><p>In this study, radiation-induced segregation was studied in high-entropy alloys (HEA) CoCrFeNi, CoCrFeMnNi, irradiated with helium ions He2+ with an energy of 40 keV at room temperature. Changes in the concentrations of HEAs and their depth distributions were studied by Rutherford Backscattering (RBS) and energy dispersive x-ray spectroscopy (EDS) methods. Measurements using the RBS and EDS methods showed that non-irradiated HEAs have a composition close to equiatomic, where the average concentration for CoCrFeNi is 24.8 atomic percents (at.%), and for CoCrFeMnNi – 20 at.%. The EDS results were significantly different from the RBS in Ni/Co concentrations, and indicated no significant changes in element distribution in both HEAs after irradiation. According to the RBS data, the largest changes in concentrations during irradiation in both HEAs relate to the enrichment of Ni atoms. In CoCrFeNi, upon irradiation, Ni/Co atoms undergo the greatest segregation, and in CoCrFeMnNi, the Ni/Co/Fe concentrations change significantly. In CoCrFeMnNi, the change in element concentrations with increasing irradiation fluence was more pronounced than in CoCrFeNi. In CoCrFeMnNi, changes in concentrations of all elements at both fluences reached 0.5–17% (0.1–3.1 at.%) and exceeded changes in CoCrFeNi, which reached 2–11% (0.5–1.9 at.%). It was found that the resistance to segregation when irradiated with helium ions under these conditions was lower for CoCrFeMnNi than for CoCrFeNi. In CoCrFeNi and CoCrFeMnNi, changes in the concentrations of Co, Fe, Cr, and Mn were significantly less than changes near sinks and defect clusters when irradiated with nickel ions with similar doses in other studies at temperatures close to the halfmelting temperature of nickel HEAs. The RBS study showed a uniform distribution of atoms in depth and resistance to segregation in CoCrFeNi, CoCrFeMnNi when irradiated with helium ions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>высокоэнтропийные сплавы</kwd><kwd>радиационная стойкость</kwd><kwd>сегрегация</kwd><kwd>Резерфордовсское обратное рассеяние</kwd><kwd>элементный анализ</kwd><kwd>ускоритель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high-entropy alloys</kwd><kwd>radiation resistance</kwd><kwd>segregation</kwd><kwd>Rutherford Back Scattering</kwd><kwd>elemental analysis</kwd><kwd>accelerator</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Данное исследование финансировалось Комитетом науки Министерства науки и высшего образования Республики Казахстан (грант № AP14872199) и Министерством энергетики Республики Казахстан (Программа BR23891530 «Развитие комплексных научных исследований в области ядерной и радиационной физики на базе казахстанских ускорительных комплексов»).</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">Воеводин В. 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