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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">mirtr</journal-id><journal-title-group><journal-title xml:lang="ru">Мир транспорта</journal-title><trans-title-group xml:lang="en"><trans-title>World of Transport and Transportation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1992-3252</issn><publisher><publisher-name>Russian University of Transport (RUT)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30932/1992-3252-2021-19-3-2</article-id><article-id custom-type="elpub" pub-id-type="custom">mirtr-2130</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>НАУКА И ТЕХНИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SCIENCE AND ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Анализ триботехнических свойств и сравнительная оценка полимерных материалов и резины, применяемых в подвижном составе</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of Tribotechnical Properties and Comparative Evaluation of Polymeric Materials and Rubbers Used in Rolling Stock</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>Куликов</surname><given-names>М. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikov</surname><given-names>M. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p> доктор технических наук, профессор </p><p>Москва  </p></bio><bio xml:lang="en"><p> D.Sc. (Eng), Professor </p><p>Moscow </p></bio><email xlink:type="simple">muk.56@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бирюков</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Biryukov</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p> кандидат технических наук, ведущий научный сотрудник </p><p>Москва</p></bio><bio xml:lang="en"><p> Ph.D. (Eng), Leading Researcher </p><p>Moscow </p></bio><email xlink:type="simple">laser-52@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Принц</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Prints</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p> младший научный сотрудник </p><p>Москва </p></bio><bio xml:lang="en"><p> Junior Researcher </p><p>Moscow </p></bio><email xlink:type="simple">tosha.prints.94@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский университет транспорта</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian University of Transport</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт машиноведения им. А. А. Благонравова РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Mechanical Engineering Research Institute of the Russian Academy of&#13;
Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт машиноведения им. А. А. Благонравова РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Mechanical Engineering Research Institute of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>28</day><month>06</month><year>2021</year></pub-date><volume>19</volume><issue>3</issue><fpage>16</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Куликов М.Ю., Бирюков В.П., Принц А.Н., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Куликов М.Ю., Бирюков В.П., Принц А.Н.</copyright-holder><copyright-holder xml:lang="en">Kulikov M.Y., Biryukov V.P., Prints A.N.</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://mirtr.elpub.ru/jour/article/view/2130">https://mirtr.elpub.ru/jour/article/view/2130</self-uri><abstract><p>В узлах трения подвижного состава железных дорог широкое применение находят материалы из резины, которые используются в сальниках, амортизаторах, различных уплотнителях, гофрах, манжетах и иных узлах. В процессе эксплуатации резина подвергается различным механическим воздействиям, которые приводят к износу, трещинам, истиранию, вмятинам, прожогам и прочим повреждениям, что может повлечь за собой отказ всего узла и непредвиденное поступление подвижного состава на неплановый ремонт. Любой отказ на линии и проведение внепланового ремонта несёт за собой большие экономические потери.На данный момент недостаточно изучен вопрос изнашивания материалов из резины в паре трения со сталью с подачей в зону трения смазки и изнашивания свободным и закреплённым абразивом. Продолжаются исследования по возможности замены изделий из резины на другие полимерные материалы, которые после проведения трибологических испытаний имеют значительно лучшие результаты как по показателям коэффициентов трения, так и по механизму изнашивания. Полученные данные дадут возможность выбрать наиболее оптимальные варианты материалов, которые могут выступить в качестве замены стандартным изделиям из резины в узлах трения подвижного состава.В работе представлены результаты трибологических испытаний термопластичных полиуретанов (ТПУ), сверхвысокомолекулярного полиэтилена (СВМПЭ) и полипропилена (ПП2015) в сравнении с резиной на основе бутадиен нитрильного каучука (БНК). Испытания выполнялись по двум схемам «плоскость (исследуемый образец) – втулка» и «плоскость (исследуемый образец) – образующая поверхность резинового диска с подачей в зону трения абразивного зерна».Целью работы является определение зависимости изменения коэффициентов трения от нагрузки и скорости скольжения, а также зависимости давлений схватывания пар трения от скорости, потери массы образцов после испытаний на износ свободным и закреплённым абразивом, морфологии поверхностей износа и механизмов изнашивания полимерных материалов и резины.</p></abstract><trans-abstract xml:lang="en"><p>Rubber materials are widely used in friction assemblies of railway rolling stock. Rubbers are used oil seals, other various seals, shock absorbers, corrugated hoses, sleeves, sealing rings, etc. During operation, rubbers are exposed to various mechanical influences that cause wear, cracks, abrasion, dents, burnthroughs, etc., which can lead to the failure of the entire unit and unforeseen unscheduled repairs of the rolling stock. Any failure on the route together with unplanned repairs incur heavy economic losses.Currently, the issue of wear of rubbers in rubber-steel tribopairs has not been sufficiently studied in case of supply of lubricant to the friction zone and of wear caused by a free and fixed abrasive. There is ongoing research on the possibility of replacing rubber products with other polymeric materials, which have shown significantly better results in tribological tests, both in terms of friction coefficients and in the wear mechanism. The data obtained will make it possible to choose the most optimal options for materials that can act as a replacement for standard rubber products in rolling stock friction assemblies.The paper presents the results of tribological tests of thermoplastic polyurethanes (TPU), ultra-high-molecular-weight polyethylene (UHMWPE) and polypropylene (PP2015) in comparison with rubber based on nitrile butadiene rubber (NBR). The tests were carried out according to two schemes: «plane (tested sample) – bushing» and «plane (tested sample) – generatrix of a rubber disk with supply of abrasive grain to the friction zone». The objective of the work is to determine the dependence of the change in friction coefficients on load and sliding speed, as well as the dependence of seizure pressures of tribo-pairs on speed, weight loss of samples after wear tests with a free and fixed abrasive, the morphology of wear surfaces, and wear mechanisms of polymer materials and rubbers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>транспорт</kwd><kwd>железная дорога</kwd><kwd>подвижной состав</kwd><kwd>коэффициент трения</kwd><kwd>полимеры</kwd><kwd>демпфирующий материал</kwd><kwd>триботехнические свойства</kwd><kwd>скорость скольжения</kwd><kwd>абразивное изнашивание</kwd></kwd-group><kwd-group xml:lang="en"><kwd>transport</kwd><kwd>railway</kwd><kwd>rolling stock</kwd><kwd>friction coefficient</kwd><kwd>polymers</kwd><kwd>damping material</kwd><kwd>tribotechnical properties</kwd><kwd>sliding speed</kwd><kwd>abrasive wear</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">Курзина Е. 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