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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">10.52676/1729-7885-2026-2-220-225</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-1089</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>ЭКСПЕРИМЕНТАЛЬНАЯ ОЦЕНКА НАКОПЛЕНИЯ И УДЕРЖАНИЯ D+ В БЕРИЛЛИДЕ ТИТАНА Be12Ti ПРИ РАЗЛИЧНЫХ РЕЖИМАХ ВЫСОКОЭНЕРГЕТИЧЕСКОГО ИОННОГО ОБЛУЧЕНИЯ</article-title><trans-title-group xml:lang="en"><trans-title>EXPERIMENTAL EVALUATION OF DEUTERIUM ACCUMULATION AND RETENTION IN TITANIUM BERYLLIDE Be12Ti UNDER DIFFERENT MODES OF HIGH-ENERGY ION IRRADIATION</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5279-694X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Диков</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Dikov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Сергеевич Диков - Заведующий лабораторией прикладного и теоретического материаловедения РГП на ПХВ ИЯФ АРКАЭ; Кандидат технических наук.</p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">dikov@inp.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-6925-1202</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Максимкина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Maximkina</surname><given-names>Y. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елизавета Алексеевна Максимкина - Младший научный сотрудник лаборатории прикладного и теоретического моделирования РГП на ПХВ ИЯФ. Младший научный сотрудник лаборатории искусственного интеллекта ТОО "Институт Ионосферы"; MEng в области космической техники и технологий.</p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">yelizaveta.kostoussova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3890-8172</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кульсартов</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulsartov</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тимур Валиханович Кульсартов - Кандидат физико-математических наук</p><p>Алматы</p></bio><bio xml:lang="en"><p>Almaty</p></bio><email xlink:type="simple">kulsartov@inp.kz</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт ядерной физики</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Institute of Nuclear Physics</institution><country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт ядерной физики; Казахский Национальный университет им. Аль-Фараби</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Institute of Nuclear Physics; Al-Farabi Kazakh National University</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>16</day><month>10</month><year>2026</year></pub-date><volume>0</volume><issue>3</issue><fpage>220</fpage><lpage>225</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Диков А.С., Максимкина Е.А., Кульсартов Т.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Диков А.С., Максимкина Е.А., Кульсартов Т.В.</copyright-holder><copyright-holder xml:lang="en">Dikov A.S., Maximkina Y.A., Kulsartov T.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/1089">https://journals.nnc.kz/jour/article/view/1089</self-uri><abstract><p>В рамках разработки экспериментального метода оценки накопления и удержания ионов водорода для решения материаловедческих задач термоядерного синтеза выполнено облучение высокоэнергетичными ионами D+ образцов бериллида титана (Be₁₂Ti) казахстанского производства. Выбор материала обусловлен существующими концепциями термоядерных установок, в которых предполагается использование Be₁₂Ti в составе материалов первой стенки, например, JA DEMO. Исследуемые образцы были подвергнуты облучению ионами D+ с энергией 14 МэВ в двух режимах, отличающихся временем облучения, плотностью потока и суммарным флюенсом. С целью исследования механизмов накопления и выделения газов в материале образцы облученного Be₁₂Ti исследовались методом термодесорбционной спектроскопии. Be₁₂Ti, подвергнутый длительному воздействию потока ионов D+ при относительно меньшей плотности частиц, продемонстрировал значительно большее накопление ионов D+. В то же время, образец, облученный кратковременно, но потоком высокой плотности накопил значительно меньшее количество газа. Результаты показывают, что методика облучения ионами D+ в высокоэнергетическом диапазоне может быть использована в качестве экспериментального подхода для оценки накопления и удержания водорода в материалах термоядерных установок.</p></abstract><trans-abstract xml:lang="en"><p>As part of the development of an experimental method for evaluating the accumulation and retention of hydrogen ions to address materials science problems related to thermonuclear fusion, titanium beryllide (Be₁₂Ti) samples produced in Kazakhstan were irradiated with high-energy deuterium ions. The choice of material is justified by existing concepts of fusion facilities, in which Be₁₂Ti is proposed for use as a first-wall material, for example, in JA DEMO. The investigated samples were irradiated with 14 MeV deuterium ions under two irradiation modes differing in irradiation time, particle flux density, and total fluence. To study the mechanisms of gas accumulation and release in the material, the irradiated Be₁₂Ti samples were examined by thermal desorption spectroscopy. The Be₁₂Ti sample exposed to a deuterium flux for a longer time at a relatively lower particle flux density demonstrated significantly higher accumulation of D⁺ ions. At the same time, the sample irradiated for a shorter time but with a high-density flux resulted in significantly lower gas accumulation. The results show that the high-energy deuterium ion irradiation technique can be used as an experimental approach for evaluating hydrogen accumulation and retention in materials for fusion facilities.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>бериллид титана</kwd><kwd>D+</kwd><kwd>термодесорбционная спектроскопия</kwd><kwd>режимы облучения</kwd><kwd>десорбция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>titanium beryllide</kwd><kwd>deuterium</kwd><kwd>thermal desorption spectroscopy</kwd><kwd>irradiation modes</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Данное исследование было профинансировано Комитетом науки Министерства науки и высшего образования Республики Казахстан (Грант № BR24993119)</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">Hernandez-Gonzalez F. A., Pereslavtsev P. 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