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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">vestnovsu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Новгородского государственного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik of Novgorod State University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2076-8052</issn><publisher><publisher-name>Новгородский государственный университет имени Ярослава Мудрого</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.34680/2076-8052.2025.1(139).100-107</article-id><article-id custom-type="elpub" pub-id-type="custom">vestnovsu-365</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>ФИЗИКА КОНДЕНСИРОВАННОГО СОСТОЯНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CONDENSED MATTER PHYSICS</subject></subj-group></article-categories><title-group><article-title>Анализ микроструктуры и микротвердости неразъемных соединений; полученных с применением нанопорошка вольфрама</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of the microstructure and microhardness of integral joints obtained using tungsten nanopowder</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9176-0720</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зернин</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zernin</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зернин Евгений Александрович – кандидат технических наук, доцент, заведующий кафедрой</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">yuti_sp@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-2302-8359</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>E. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петрова Екатерина Дмитриевна – ассистент</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">petrowa.ket@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6804-4454</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сапожков</surname><given-names>С. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Sapozhkov</surname><given-names>S. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сапожков Сергей Борисович – доктор технических наук, доцент, профессор</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">ssb@novsu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный морской технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint Petersburg State Marine Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>04</day><month>06</month><year>2025</year></pub-date><volume>0</volume><issue>1(139)</issue><fpage>100</fpage><lpage>107</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Зернин Е.А., Петрова Е.Д., Сапожков С.Б., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Зернин Е.А., Петрова Е.Д., Сапожков С.Б.</copyright-holder><copyright-holder xml:lang="en">Zernin E.A., Petrova E.D., Sapozhkov S.B.</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://vestnovsu.elpub.ru/jour/article/view/365">https://vestnovsu.elpub.ru/jour/article/view/365</self-uri><abstract><p>Рассмотрены основные направления и области применения нанопорошков металлов в технологиях соединения. Показано, что при наплавке слоев в присутствии нанопорошка вольфрама происходит изменение морфологии наплавленного металла. В присутствии наночастиц вольфрама происходит гетерогенная кристаллизация. Заданная концентрация нанопорошка вольфрама в составе шихты наплавочной проволоки позволяет прогнозировать размер зерна и твердость наплавки.</p></abstract><trans-abstract xml:lang="en"><p>The main directions and areas of application of metal nanopowders in bonding technologies are considered. It is shown that when layers are deposited in the presence of tungsten nanopowder, the morphology of the deposited metal changes. Heterogeneous crystallization occurs in the presence of tungsten nanoparticles. The set concentration of tungsten nanopowder in the charge of the surfacing wire makes it possible to predict the grain size and hardness of the surfacing.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нанопорошок</kwd><kwd>наплавка</kwd><kwd>микроструктура</kwd><kwd>микротвердость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanopowder</kwd><kwd>surfacing</kwd><kwd>microstructure</kwd><kwd>microhardness</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">Галевский Г. В., Руднева В. В., Юркова Е. К. Наноматериалы и нанотехнологии: оценки, тенденции, прогнозы // Известия высших учебных заведений. Цветная металлургия. 2007. 2. 73–76.</mixed-citation><mixed-citation xml:lang="en">Galevskii G. V., Rudneva V. V., Yurkova E. K. Nanomaterials and nanotechnologies: Assessment, tendencies, and forecasts // Russian Journal of NonFerrous Metals. 2007. 48 (2). 157–160. 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