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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2024-90-6-51-58</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-2229</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>ИССЛЕДОВАНИЕ СТРУКТУРЫ И СВОЙСТВ. ФИЗИЧЕСКИЕ МЕТОДЫ ИССЛЕДОВАНИЯ И КОНТРОЛЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TESTING OF STRUCTURE AND PARAMETERS. PHYSICAL METHODS OF TESTING AND QUALITY CONTROL</subject></subj-group></article-categories><title-group><article-title>Рентгенодифракционное исследование порошковых композиций W + (Ni, Fe, Co)</article-title><trans-title-group xml:lang="en"><trans-title>X-ray diffraction study of W + (Ni, Fe, Co) powder compositions</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>Малехонова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Malekhonova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Викторовна Малехонова,</p><p>603022, г. Нижний Новгород, просп. Гагарина, д. 23.</p></bio><bio xml:lang="en"><p>Nataliya V. Malekhonova,</p><p>23, prosp. Gagarina, Nizhny Novgorod, 603022.</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>Сметанина</surname><given-names>К. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Smetanina</surname><given-names>K. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ксения Евгеньевна Сметанина,</p><p>603022, г. Нижний Новгород, просп. Гагарина, д. 23.</p></bio><bio xml:lang="en"><p>Ksenia E. Smetanina, </p><p>23, prosp. Gagarina, Nizhny Novgorod, 603022.</p></bio><email xlink:type="simple">smetanina@nifti.unn.ru</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>Комков</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Komkov</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Максим Алексеевич Комков,</p><p>603022, г. Нижний Новгород, просп. Гагарина, д. 23.</p></bio><bio xml:lang="en"><p>Maksim A. Komkov,</p><p>23, prosp. Gagarina, Nizhny Novgorod, 603022.</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>Ланцев</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lantsev</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгений Андреевич Ланцев,</p><p>603022, г. Нижний Новгород, просп. Гагарина, д. 23.</p></bio><bio xml:lang="en"><p>Evgeny A. Lantsev,</p><p>23, prosp. Gagarina, Nizhny Novgorod, 603022.</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>Мурашов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Murashov</surname><given-names>Artem A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Артем Александрович Мурашов,</p><p>603022, г. Нижний Новгород, просп. Гагарина, д. 23.</p></bio><bio xml:lang="en"><p>Artem A. Murashov,</p><p>23, prosp. Gagarina, Nizhny Novgorod, 603022.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский Нижегородский государственный университет имени Н. И. Лобачевского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lobachevsky Nizhny Novgorod State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>22</day><month>06</month><year>2024</year></pub-date><volume>90</volume><issue>6</issue><fpage>51</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Малехонова Н.В., Сметанина К.Е., Комков М.А., Ланцев Е.А., Мурашов А.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Малехонова Н.В., Сметанина К.Е., Комков М.А., Ланцев Е.А., Мурашов А.А.</copyright-holder><copyright-holder xml:lang="en">Malekhonova N.V., Smetanina K.E., Komkov M.A., Lantsev E.A., Murashov A.A.</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://www.zldm.ru/jour/article/view/2229">https://www.zldm.ru/jour/article/view/2229</self-uri><abstract><p>При получении новых высокопрочных нано- и мелкозернистых тяжелых вольфрамовых сплавов используют метод спекания нанопорошков вольфрама, в которые добавляются или осаждаются отдельные компоненты, например, Ni, Fe, Co. Наличие таких компонентов обеспечивает условия для традиционного жидкофазного спекания порошков на основе вольфрама или твердофазного спекания с помощью технологии электроимпульсного плазменного спекания. В работе представлены результаты рентгенодифракционного исследования бинарных систем порошков W + (Ni, Fe, Co), содержащих 95 – 99,5 % масс. вольфрама. Оценка воспроизводимости результатов показала, что величина интенсивности рентгеновских дифракционных максимумов исследуемых фаз воспроизводится с точностью не хуже 3 (для основной фазы — вольфрама) и 6 % (для добавки, в частности, никеля). При анализе порошков методом рентгеновской дифракции чувствительность к Ni составила 0,5, Fe — 1, Co — 3 % масс. Сравнение полученных оценок с величиной, рассчитанной на основе структурно-кристаллографических данных фаз, показало нецелесообразность применения структурных теоретических соотношений для количественного фазового анализа систем W – Fe, W – Co вследствие высокого поглощения применяемого CuKα-излучения железом и кобальтом. Полученные результаты могут быть использованы для совершенствования методики рентгенодифракционного контроля фазового состава высокопрочных нано- и мелкозернистых тяжелых вольфрамовых сплавов.</p></abstract><trans-abstract xml:lang="en"><p>A method of sintering tungsten nanopowders with individual components (added or deposited), e.g., Ni, Fe, Co, is used in the production of new high-strength nano- and fine-grained heavy tungsten alloys. The presence of such components facilitates conditions for traditional liquid-phase sintering of tungsten-based powders or for solid-phase sintering using spark plasma sintering technology. We present the results of an X-ray diffraction study of binary systems of W + (Ni, Fe, Co) powders containing 95 – 99.5 wt.% of tungsten. The evaluation of the reproducibility of the results demonstrated that the intensity of the X-ray diffraction maxima of the studied phases is replicated with an accuracy of at least 3% for the main phase (tungsten) and at least 6% for the additive (specifically, nickel). It has been demonstrated that in analysis of powders using X-ray diffraction the sensitivity to nickel, iron and cobalt is 0.5, 1, and 3 wt.%, respectively. The obtained estimates are compared with the value calculated proceeding from structural and crystallographic phase data. The impracticality of using structural theoretical relations for quantitative phase analysis of W – Fe and W – Co systems is demonstrated due to the significant absorption of CuKα radiation by iron and cobalt. The results obtained can be used to improve the technique of X-ray diffraction control of the phase composition of high-strength nano- and fine-grained heavy tungsten alloys.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>тяжелые сплавы</kwd><kwd>вольфрам</kwd><kwd>рентгенодифракционный анализ</kwd><kwd>фазовый анализ</kwd><kwd>градуировочный график</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heavy alloys</kwd><kwd>tungsten</kwd><kwd>X-ray diffraction analysis</kwd><kwd>phase analysis</kwd><kwd>calibration plot</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке РНФ (грант № 22-79-10080). Авторы выражают благодарность П. В. Андрееву за помощь в анализе и интерпретации результатов.</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">Senthilnathan N., Raja Annamalai A., Venkatachalam G. 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