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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">fwj</journal-id><journal-title-group><journal-title xml:lang="ru">Трение и и износ</journal-title><trans-title-group xml:lang="en"><trans-title>Title in english</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0000-0000</issn><issn pub-type="epub">0000-0000</issn><publisher><publisher-name>AGU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32864/0202-4977-2024-45-6-522-530</article-id><article-id custom-type="elpub" pub-id-type="custom">fwj-78</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Оценка износостойкости радиального подшипника с нестандартной опорной поверхностью при учете сжимаемости и вязкости смазочного материала</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of the Wear Resistance of a Radial Bearing with a Non-Standard Bearing Surface, Taking into Account the Compressibility and Viscosity of the Lubricant</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>Болгова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bolgova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пл. Ростовского Стрелкового Полка Народного Ополчения, д. 2, г. Ростов-на-Дону 344038</p></bio><bio xml:lang="en"><p>Rostovskogo Strelkovogo Polka Narodnogo Opolcheniya Sq., 2, Rostov-on-Don 344038</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>Бадахов</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Badakhov</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пл. Ростовского Стрелкового Полка Народного Ополчения, д. 2, г. Ростов-на-Дону 344038</p></bio><bio xml:lang="en"><p>Rostovskogo Strelkovogo Polka Narodnogo Opolcheniya Sq., 2, Rostov-on-Don 344038</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мукутадзе</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukutadze</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пл. Ростовского Стрелкового Полка Народного Ополчения, д. 2, г. Ростов-на-Дону 34</p></bio><bio xml:lang="en"><p>Rostovskogo Strelkovogo Polka Narodnogo Opolcheniya Sq., 2, Rostov-on-Don 344038</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шведова</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Shvedova</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>пл. Ростовского Стрелкового Полка Народного Ополчения, д. 2, г. Ростов-на-Дону 34403</p></bio><bio xml:lang="en"><p>Rostovskogo Strelkovogo Polka Narodnogo Opolcheniya Sq., 2, Rostov-on-Don 344038</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ростовский государственный университет путей сообщения (РГУПС</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov State Transport University (RSTU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Ростовский государственный университет путей сообщения (РГУПС)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov State Transport University (RSTU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Ростовский государственный университет путей сообщения (РГУПС</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov State Transport University (RSTU</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>28</day><month>09</month><year>2026</year></pub-date><volume>45</volume><issue>6</issue><fpage>522</fpage><lpage>530</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; AGU, 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">AGU</copyright-holder><copyright-holder xml:lang="en">AGU</copyright-holder><license xlink:href="https://fwj.ejournal.by/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://fwj.ejournal.by/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://fwj.ejournal.by/jour/article/view/78">https://fwj.ejournal.by/jour/article/view/78</self-uri><abstract><p>Исследование включает разработку и анализ математической модели истинно вязкого смазочного материала в модифицированной конструкции подшипника скольжения с композиционным фторо-пластсодержащим покрытием на поверхности вала и канавкой, которая способствует улучшению распределения смазочного материала и повышению долговечности системы. На основе уравнения движения, исследуемого жидкого смазочного материала, уравнения неразрывности и уравнения состояния получены новые математические модели, учитывающие дополнительно такой его параметр, как сжимаемость. Новизна работы заключается в разработке методики инженерных расчетов конструкции радиального подшипника скольжения с полимерным покрытием при учете наличия канавки, а также зависимости вязкости от давления и сжимаемости смазочного материала, позволяющих определить величину основных триботехнических параметров. Результаты исследования обеспечили снижение погрешностей по несущей способности на 11—13 %, и по коэффициенту трения на 9—12 % модифицированного подшипника в сравнении с традиционными конструкциями. В результате удалось добиться увеличения срока службы радиальных подшипников, что имеет большое значение для их промышленного применения.</p></abstract><trans-abstract xml:lang="en"><p>The research includes the development and analysis of a mathematical model of a truly viscous lubricant in a modified sliding bearing design with a composite fluoroplastic coating on the surface of the shaft and a groove, which helps to improve the distribution of lubricant and increase the durability of the system. Based on the equation of motion, the liquid lubricant under study, the continuity equation and the equation of state, new mathematical models have been obtained that additionally take into account such a parameter as com-pressibility. The novelty of the work lies in the development of a methodology for engineering calculations of the design of a radial sliding bearing with a polymer coating, taking into account the presence of a groove, as well as the dependence of viscosity on pressure and compressibility of the lubricant, allowing to determine the value of the main tribotechnical parameters. The results of the study provided a reduction in errors in bearing capacity by 11—13 %, and in coefficient of friction by 9—12 % of the modified bearing in compar-ison with traditional designs. As a result, it was possible to achieve an increase in the service life of radial bearings, which is of great importance for their industrial application.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сжимаемость</kwd><kwd>модифицированная конструкция</kwd><kwd>покрытие</kwd><kwd>ламинарный режим</kwd><kwd>оценка износостойкости</kwd><kwd>зависимость вязкости</kwd><kwd>точное решение</kwd><kwd>гидродинамика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>compressibility</kwd><kwd>modified structure</kwd><kwd>coating</kwd><kwd>laminar flow</kwd><kwd>wear resistance assessment</kwd><kwd>viscosity dependence</kwd><kwd>exact solution</kwd><kwd>hydrodynamics</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">Павлычева Е.А. 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