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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Transport engineering</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Transport engineering</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Транспортное машиностроение</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2782-5957</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">96289</article-id>
   <article-id pub-id-type="doi">10.30987/2782-5957-2025-3-12-19</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Машиностроение</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Mechanical engineering</subject>
    </subj-group>
    <subj-group>
     <subject>Машиностроение</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">INCREASING WEAR RESISTANCE OF TAIL BY LASER HARDENING</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ПОВЫШЕНИЕ ИЗНОСОСТОЙКОСТИ ШПИНТОНА ПРИ ЛАЗЕРНОЙ ЗАКАЛКЕ</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/0000-0001-9721-2525</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Якубовский</surname>
       <given-names>Антон Алексеевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Yakubovsky</surname>
       <given-names>Anton Alekseevich</given-names>
      </name>
     </name-alternatives>
     <email>anton.at444@gmail.com</email>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1716-2180</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Кулаков</surname>
       <given-names>Олег Игоревич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kulakov</surname>
       <given-names>Oleg Igorevich</given-names>
      </name>
     </name-alternatives>
     <email>kulakov@imash.ru</email>
     <xref ref-type="aff" rid="aff-3"/>
    </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>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Mechanical Engineering Research Institute of the Russian Academy of Sciences</institution>
     <city>Moscow</city>
     <country>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>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Mechanical Engineering Research Institute of the Russian Academy of Sciences</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Институт машиноведения им. А.А. Благонравова Российской академии наук (ИМАШ РАН)</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Mechanical Engineering Research Institute of the Russian Academy of Sciences</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2025-03-28T08:11:46+03:00">
    <day>28</day>
    <month>03</month>
    <year>2025</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2025-03-28T08:11:46+03:00">
    <day>28</day>
    <month>03</month>
    <year>2025</year>
   </pub-date>
   <volume>2025</volume>
   <issue>3</issue>
   <fpage>12</fpage>
   <lpage>19</lpage>
   <history>
    <date date-type="received" iso-8601-date="2025-02-13T00:00:00+03:00">
     <day>13</day>
     <month>02</month>
     <year>2025</year>
    </date>
    <date date-type="accepted" iso-8601-date="2025-02-24T00:00:00+03:00">
     <day>24</day>
     <month>02</month>
     <year>2025</year>
    </date>
   </history>
   <self-uri xlink:href="https://naukaru.ru/en/nauka/article/96289/view">https://naukaru.ru/en/nauka/article/96289/view</self-uri>
   <abstract xml:lang="ru">
    <p>Представленная работа посвящена определению размеров зон лазерного термоупрочнения, микротвердости и определению износостойкости образцов стали 25 упрочненной дефокусированным и осциллирующим лучом. Приводятся результаты триботехнических испытаний на модернизированной машине трения возвратно-поступательного движения, оснащенной цифровой обработкой сигналов с тензодатчиков в среде LabView. Установлено, что при обработке расфокусированным и колеблющимся лучом площадь закалки образцов составляла 25 и 50% от номинальной поверхности при равном шаге дорожек закалки, что свидетельству о повышении производительности процесса в 2 раза при равных режимах упрочнения. Износостойкость образцов после закалки дефокусированным и осциллирующим лучом повысилась в 2,93 и 2,18 раза по сравнению с исходной сталью.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The presented paper is devoted to determining the sizes of laser thermal hardening zones, microhardness, and wear resistance of steel 25 samples reinforced with a defocused and oscillating beam. The results of tribotechnical tests on an upgraded reciprocating friction machine equipped with digital signal processing from strain sensor in LabVIEW are presented. It is found out that when treated with a defocused and oscillating beam, the hardening area of the samples was 25 and 50% of the nominal surface with an equal step of the quenching tracks, which indicates an increase in process productivity twice under equal hardening conditions. The wear resistance of the samples after quenching with a defocused and oscillating beam increased by 2.93 and 2.18 times compared with the initial value.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>лазерная закалка</kwd>
    <kwd>дорожки</kwd>
    <kwd>упрочнение</kwd>
    <kwd>микротвердость</kwd>
    <kwd>коэффициент трения</kwd>
    <kwd>интенсивность</kwd>
    <kwd>изнашивание</kwd>
    <kwd>износостойкость</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>laser hardening</kwd>
    <kwd>tracks</kwd>
    <kwd>hardening</kwd>
    <kwd>microhardness</kwd>
    <kwd>friction factor</kwd>
    <kwd>intensity</kwd>
    <kwd>wear</kwd>
    <kwd>wear resistance</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
 </body>
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