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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Proceedings of Petersburg Transport University</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Proceedings of Petersburg Transport University</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Известия Петербургского университета путей сообщения/Proceedings of Petersburg Transport University</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">1815-588X</issn>
   <issn publication-format="online">2658-6851</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">6ac04e43f4b844fa8a62f7b6</article-id>
   <article-id pub-id-type="doi">10.20295/1815-588X-2026-3-842-850</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>СОВРЕМЕННЫЕ ТЕХНОЛОГИИ — ТРАНСПОРТУ</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>СОВРЕМЕННЫЕ ТЕХНОЛОГИИ — ТРАНСПОРТУ</subject>
    </subj-group>
    <subj-group>
     <subject>СОВРЕМЕННЫЕ ТЕХНОЛОГИИ — ТРАНСПОРТУ</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Production of Wear-Resistant Coatings by Laser Cladding with Fe-Based Powder with the Addition of Ta Carbide Nanoparticles</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Получение износостойких покрытий при лазерной наплавке порошком на основе железа с добавлением наночастиц карбида тантала</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9278-6925</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Бирюков</surname>
       <given-names>Владимир Павлович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Biryukov</surname>
       <given-names>Vladimir Pavlovich</given-names>
      </name>
     </name-alternatives>
     <email>nfo@imash.ru</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-1614-0174</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Горюнов</surname>
       <given-names>Ярослав Алексеевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Goryunov</surname>
       <given-names>Yaroslav Alekseevich</given-names>
      </name>
     </name-alternatives>
     <email>yarosgorun22112000@gmail.com</email>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Институт машиноведения им. А.А. Благонравова Российской академии наук (ИМАШ РАН)</institution>
     <city xml:lang="ru">Москва</city>
     <country country="RU" xml:lang="ru">Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Mechanical Engineering Research Institute of the Russian Academy of Sciences</institution>
     <city xml:lang="en">Moscow</city>
     <country country="RU" xml:lang="en">Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Институт машиноведения им. А.А. Благонравова Российской академии наук (ИМАШ РАН)</institution>
     <country country="RU" xml:lang="ru">Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Mechanical Engineering Research Institute of the Russian Academy of Sciences</institution>
     <country country="RU" xml:lang="en">Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2026-10-07T00:00:00+03:00">
    <day>07</day>
    <month>10</month>
    <year>2026</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2026-10-07T00:00:00+03:00">
    <day>07</day>
    <month>10</month>
    <year>2026</year>
   </pub-date>
   <volume>23</volume>
   <issue>3</issue>
   <fpage>842</fpage>
   <lpage>851</lpage>
   <history>
    <date date-type="received" iso-8601-date="2026-06-24T00:00:00+03:00">
     <day>24</day>
     <month>06</month>
     <year>2026</year>
    </date>
    <date date-type="accepted" iso-8601-date="2026-07-27T00:00:00+03:00">
     <day>27</day>
     <month>07</month>
     <year>2026</year>
    </date>
   </history>
   <permissions>
    <copyright-statement xml:lang="ru">© 2026 Бирюков В.П., Горюнов Я.А.</copyright-statement>
    <copyright-statement xml:lang="en">© 2026 Biryukov V.P., Goryunov Y.A.</copyright-statement>
    <copyright-year>2026</copyright-year>
    <copyright-holder xml:lang="ru">Бирюков Владимир Павлович, Горюнов Ярослав Алексеевич</copyright-holder>
    <copyright-holder xml:lang="en">Biryukov Vladimir Pavlovich, Goryunov Yaroslav Alekseevich</copyright-holder>
   </permissions>
   <self-uri xlink:href="https://atjournal.ru/en/nauka/publications/6ac04e43f4b844fa8a62f7b6/view">https://atjournal.ru/en/nauka/publications/6ac04e43f4b844fa8a62f7b6/view</self-uri>
   <abstract xml:lang="ru">
    <p>Цель: исследование посвящено определению оптимального количества наночастиц карбида тантала в составе порошкового материала для повышения механических и триботехнических характеристик металлокерамического покрытия на основе железа, полученного при лазерной наплавке. Методы: лазерная наплавка образцов проводилась круглым и колеблющимся пятном при плотности энергии излучения 21–48 Вт·с/мм2. Металлографический анализ наплавленных покрытий был выполнен с использованием оптической системы МС-1000 и цифрового микроскопа АМ-419. Микро твердость определялась на приборе ПМТ-3 с цифровой камерой МС-8,3С при нагрузке 0,98 Н. Триботехнические испытания были выполнены на машине трения с вертикальной осью вращения шпинделя по схеме: плоский прямоугольный образец с покрытием — торцевая поверхность контр образца из стали 45. Измерение моментов трения и усилия нагружения образцов проводилось с применением тензодатчиков в непрерывном режиме с отображением данных на дисплее персонального компьютера. С помощью бесконтактного индуктивного датчика определяли частоту вращения шпинделя с выводом данных на цифровой тахометр. Результаты: по полученным данным исследований установлено, что максимальную износостойкость демонстрировали металлокерамические покрытия, содержавшие 10 мас. % наночастиц карбида тантала в составе наплавляемой шихты. Тем не менее высокая стоимость делает применение данного порошкового материала экономически нецелесообразным. В связи с этим с учетом себестоимости процесса лазерной наплавки оптимальным решением признаны образцы с содержанием наночастиц карбида тантала до 4 мас. %, которые незначительно уступали образцам с бо́льшим содержанием нанокарбидов тантала. Практическая значимость: разработанная технология может быть использована для наплавки шеек валов электрических машин вагонов метрополитена и других деталей, требующих восстановления изношенных поверхностей. Показана возможность повышения износостойкости восстановленной поверхности шеек валов электрических машин путем добавления в состав наплавляемого материала наночастиц карбида тантала.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>Objective: the study is devoted to determining the optimal amount of tantalum carbide nanoparticles in the composition of a powder material to improve the mechanical and tribological characteristics of an Fe-based metal-ceramic coating obtained by laser cladding. Methods: laser cladding of the samples was performed using a round and oscillating spot at a energy density of 21–48 W s/mm2. Metallographic analysis of the deposited coatings was performed using an MS-1000 optical system and an AM-419 digital microscope. Microhardness was determined using a PMT-3 device with an MS-8.3S digital camera at a load of 0.98 N. Tribological tests were performed on a friction machine with a vertical spindle rotation axis according to the following scheme: “flat rectangular coated sample — end surface of a counter-specimen made of grade 45 steel.” Friction moments and loading forces of the samples were measured using strain gauges in continuous mode, with data displayed on a personal computer monitor. A contactless inductive sensor was used to determine the spindle speed, with data output to a digital tachometer. Results: the study data revealed that metal-ceramic coatings containing 10 wt. % of tantalum carbide nanoparticles in the deposited charge exhibited short-term durability. However, the high cost makes the use of this powder material economically impractical. Therefore, given the cost of the laser cladding process itself, the generally accepted solution is additives containing up to 4 wt. % of tantalum carbide nanoparticles, which are slightly inferior to samples with higher tantalum carbide nanoparticle content. Practical importance: the developed technology can be used for cladding the shaft journals of electric machines in subway cars and other components requiring restoration of worn surfaces. It has been demonstrated that the wear resistance of the restored surface of electric machine shaft journals can be increased by adding tantalum carbide nanoparticles to the cladding material.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>лазерная наплавка</kwd>
    <kwd>восстановление поверхности</kwd>
    <kwd>износостойкость</kwd>
    <kwd>микроструктура</kwd>
    <kwd>микротвердость</kwd>
    <kwd>интенсивность изнашивания</kwd>
    <kwd>задиростойкость</kwd>
    <kwd>электрические машины</kwd>
    <kwd>нанокарбид тантала</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>laser cladding</kwd>
    <kwd>surface restoration</kwd>
    <kwd>wear resistance</kwd>
    <kwd>microstructure</kwd>
    <kwd>microhardness</kwd>
    <kwd>wear rate</kwd>
    <kwd>scuff resistance</kwd>
    <kwd>electrical machines</kwd>
    <kwd>nanoparticles</kwd>
    <kwd>carbides</kwd>
    <kwd>tantalum</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
 </body>
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