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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.31897/pmi.2019.1.70</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-13168</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/13168</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Электромеханика и машиностроение</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Electromechanics and mechanical engineering</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Study of bearing units wear resistance of engines career dump trucks, working in fretting corrosion conditions</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Исследование износостойкости подшипниковых узлов двигателей карьерных автосамосвалов, работающих в условиях фреттинг-коррозии</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Olt</surname>
            <given-names>Ju. </given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Ольт</surname>
              <given-names>Ю. </given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Olt</surname>
              <given-names>Ju. </given-names>
            </name>
          </name-alternatives>
          <email>jyri.olt@emu.ee</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Эстонский университет естественных наук (Тарту, Эстония)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Estonian University of Life Sciences (Tartu, Estonia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Maksarov</surname>
            <given-names>V. V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Максаров</surname>
              <given-names>В. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Maksarov</surname>
              <given-names>V. V.</given-names>
            </name>
          </name-alternatives>
          <email>vikras1955@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-0947-2907</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint-Petersburg Mining University (Saint-Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Krasnyy</surname>
            <given-names>V. A.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Красный</surname>
              <given-names>В. А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Krasnyy</surname>
              <given-names>V. A.</given-names>
            </name>
          </name-alternatives>
          <email>maks78.54@mail.ru</email>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint-Petersburg Mining University (Saint-Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2019-02-22">
        <day>22</day>
        <month>02</month>
        <year>2019</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2019</year>
      </pub-date>
      <volume>235</volume>
      <fpage>70</fpage>
      <lpage>77</lpage>
      <history>
        <date date-type="received" iso-8601-date="2018-08-30">
          <day>30</day>
          <month>08</month>
          <year>2018</year>
        </date>
        <date date-type="accepted" iso-8601-date="2018-10-26">
          <day>26</day>
          <month>10</month>
          <year>2018</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2019-02-22">
          <day>22</day>
          <month>02</month>
          <year>2019</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2019 Ю.  Ольт, В. В. Максаров, В. А. Красный</copyright-statement>
        <copyright-statement xml:lang="en">© 2019 Ju.  Olt, V. V. Maksarov, V. A. Krasnyy</copyright-statement>
        <copyright-year>2019</copyright-year>
        <copyright-holder xml:lang="ru">Ю.  Ольт, В. В. Максаров, В. А. Красный</copyright-holder>
        <copyright-holder xml:lang="en">Ju.  Olt, V. V. Maksarov, V. A. Krasnyy</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/13168">https://pmi.spmi.ru/pmi/article/view/13168</self-uri>
      <abstract xml:lang="ru">
        <p>Рассмотрено возникновение фреттинг-коррозии на номинально неподвижных поверхностях высоконагруженных деталей горных машин и механизмов. Приведены примеры изнашивания и повреждений ответственных деталей, подшипниковых узлов двигателей карьерных автосамосвалов, в условиях фреттинга. Рассмотрены механизмы фреттинг-коррозии при использовании износостойких покрытий. Отмечено, что при выборе защитных тонкослойных покрытий, обеспечивающих повышение фреттинг-стойкости поверхностей плотно контактирующих деталей, необходимо учитывать как их износостойкость, так и способность сопротивляться сдвигу. При этом толщина таких покрытий позволяет сохранять в процессе эксплуатации предусмотренные при сборке натяги, не нарушая ремонтопригодности узлов. Приведены результаты исследований фреттинг-износа ряда покрытий на специальной установке. Изучены механизмы изнашивания ряда тонкослойных покрытий на основе фрикционно-механического латунирования, полимерной фторуглеродной композиции, твердосмазочного покрытия с применением методов растровой электронной микроскопии. Разработаны рекомендации по использованию изученных тонкослойных покрытий для высоконагруженных деталей горных машин, работающих в условиях фреттинг-коррозии. Целью работы являлось изучение влияния ряда тонкослойных покрытий на износ высоконагруженных соединений механизмов горных машин, в частности подшипниковых узлов карьерных автосамосвалов, работающих в условиях фреттинг-коррозии.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The occurrence of fretting corrosion on nominally fixed surfaces of high-loaded parts of mining machines and mechanisms is considered. Examples of wear and damage of critical parts, bearing assemblies of engines of dump trucks in fretting conditions are given. The mechanisms of fretting corrosion when using wear-resistant coatings are considered. It is noted that when choosing protective thin-layer coatings that provide an increase in the fretting-resistance of surfaces of tightly contacting parts, it is necessary to take into account both their wear resistance and the ability to resist shear. At the same time, the thickness of such coatings allows preserving, during operation, those provided during the assembly of the tension, without disturbing the maintainability of the nodes. The results of research of fretting wear of a number of coatings on a special installation are given. The mechanisms of wear of a number of thin-layer coatings based on friction-mechanical brazing, polymer fluorocarbon composition, solid lubricant coating using scanning electron microscopy were studied. Recommendations on the use of the studied thin-layer coatings for high-loaded parts of mining machines operating in fretting corrosion conditions have been developed. The aim of the work was to study the effect of a number of thin-layer coatings on the wear of highly loaded connections of the mechanisms of mining machines, in particular bearing assemblies of quarry dump trucks operating under fretting corrosion conditions.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>износостойкие покрытия</kwd>
        <kwd>фреттинг-коррозия</kwd>
        <kwd>горные машины</kwd>
        <kwd>подшипниковый узел</kwd>
        <kwd>двигатель  внутреннего  сгорания</kwd>
        <kwd>фрикционно-механическое  латунирование</kwd>
        <kwd>полимерная  фторуглеродная композиция</kwd>
        <kwd>твердосмазочное покрытие</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>wear resistant coatings</kwd>
        <kwd>fretting corrosion</kwd>
        <kwd>mining machines</kwd>
        <kwd>bearing unit</kwd>
        <kwd>internal combustion engine</kwd>
        <kwd>friction-mechanical brassing</kwd>
        <kwd>polymeric fluorocarbon composition</kwd>
        <kwd>hard lubricating coating</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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</article>
