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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">sibadi</journal-id><journal-title-group><journal-title xml:lang="ru">Научный рецензируемый журнал "Вестник СибАДИ"</journal-title><trans-title-group xml:lang="en"><trans-title>The Russian Automobile and Highway Industry Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2071-7296</issn><issn pub-type="epub">2658-5626</issn><publisher><publisher-name>The Siberian State Automobile and Highway University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26518/2071-7296-2017-3(55)-62-68</article-id><article-id custom-type="elpub" pub-id-type="custom">sibadi-12</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>ТРАНСПОРТ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TRANSPORT</subject></subj-group></article-categories><title-group><article-title>ОСОБЕННОСТИ ФОРМИРОВАНИЯ ФУНКЦИОНАЛЬНЫХ ПОКРЫТИЙ ПРИ ЭЛЕКТРОИСКРОВОМ МОДИФИЦИРОВАНИИ МЕТАЛЛИЧЕСКИХ МАТЕРИАЛОВ</article-title><trans-title-group xml:lang="en"><trans-title>FEATURES OF FORMATION OF FUNCTIONAL COVERINGS AT ELECTROSPARK MODIFYING OF METAL MATERIALS</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>Коротаев</surname><given-names>Д. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Korotaev</surname><given-names>D. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Коротаев Дмитрий Николаевич – доктор технических наук, доцент, профессор кафедры «Эксплуатация и ремонт автомобилей» </p><p>(644080, г.Омск, пр-т Мира, 5)</p></bio><bio xml:lang="en"><p>Korotaev Dmitrii Nikolaevich - Doctor of Engineering, associate professor, professor of department « Operation and car repairs» </p><p>(644080, g.Omsk, pr-t Mira, 5)</p></bio><email xlink:type="simple">korotaevd99@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>Иванова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванова Елена Владимировна – кандидат технических наук, доцент, доцент 12 кафедры (физико-математических дисциплин)</p><p> (644098, г. Омск, п. Черёмушки, 14 военный городок)</p></bio><bio xml:lang="en"><p>Ivanova Elena Vladimirovna – Candidate of Technical Sciences, associate professor, associate professor of the 12th department (physical and mathematical disciplines) </p><p>(644098, g. Omsk, p. Cheremushki, 14 voennyi gorodok)</p><p> </p></bio><email xlink:type="simple">elenaivanova-01@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «СибАДИ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>SibADI</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Военная академия материально-технического обеспечения им. генерала армии А.В. Хрулева, Омский автобронетанковый инженерный институт</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Omsk Tank-Automotive Engineering Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>12</day><month>08</month><year>2017</year></pub-date><volume>0</volume><issue>3(55)</issue><fpage>62</fpage><lpage>68</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Коротаев Д.Н., Иванова Е.В., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Коротаев Д.Н., Иванова Е.В.</copyright-holder><copyright-holder xml:lang="en">Korotaev D.N., Ivanova E.V.</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://vestnik.sibadi.org/jour/article/view/12">https://vestnik.sibadi.org/jour/article/view/12</self-uri><abstract><p>Представлены результаты исследования влияния материалов легирующих электродов при электроискровом модифицировании стальных деталей транспортно-технологических машин на фазовый состав формируемых покрытий и поверхностных слоев. Установлено, что при обработке электродом на основе карбида титана с добавками никеля, хрома, алюминия и шеелитового концентрата, в покрытии образуется упрочняющая фаза ‒ интерметаллид Ni3(AlTi). Кроме того, в работе приведены экспериментальные данные по влиянию газовой межэлектродной среды на толщину покрытия, плотность дефектов кристаллического строения материалов и трибологические свойства модифицированных поверхностных слоев и покрытий. Полученные результаты свидетельствуют об активном участии газовой среды в изменении физико-механических и трибологических свойств покрытий и поверхностных слоев. Так, при электроискровой обработке в атмосфере кислорода зафиксирована минимальная толщина покрытия (около 30 μm) и максимальная износостойкость. Это связано с тем, что кристаллическое состояние поверхностей, полученных в кислородсодержащей среде, характеризуется повышенной плотностью дислокаций. Кроме того, согласно рентгенофазовому анализу, под микроразмерным покрытием располагается дисперсно-упрочненный поверхностный слой с образованием интерметаллидов, что также способствует увеличению степени упрочнения стальной поверхности.</p></abstract><trans-abstract xml:lang="en"><p>Results of a research of influence of materials of the alloying electrodes at electrospark modifying of steel products on phase structure of the formed coverings and blankets are presented. It is established that when processing the electrode on the basis of carbide of the titan with additives of nickel, chrome, aluminum and a sheelitovy concentrate, in a covering forms the strengthening phase ‒ intermetallic compound Ni3(AlTi). Possible mechanisms of hardening of blankets of metal products at electrospark modifying are considered, and also results of a research of influence of the gas interelectrode environment on covering thickness, density of defects of a crystal structure of materials and tribological properties of the modified blankets and coverings. Use of technology of electrospark processing promotes manifestation of a complex of mechanisms of hardening from which dominating are dispersive hardening coherent particles of carbides and intermetallic compound, and also a strongly solution alloying. The received results demonstrate active participation of the gas environment in change of physicomechanical and tribological properties of coverings and blankets. So, at electrospark processing in the atmosphere of oxygen the minimum thickness of a covering (about 30 μm) and the maximum wear resistance is recorded. It is connected with the fact that crystalline state of the surfaces received in the oxygen-containing environment is characterized by the increased density of dislocations. Besides, according to the X-ray phase analysis, under a microdimensional covering the disperse strengthened blanket with formation of intermetallic compound settles down that also promotes increase in extent of hardening of a steel surface. It is shown that the reasonable choice of a ratio of the mechanisms of hardening operating when processing with electrospark modifying allows to provide a necessary complex of physicomechanical and tribological properties of the formed coverings.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>электроискровое модифицирование</kwd><kwd>функциональное покрытие</kwd><kwd>фазовый состав</kwd><kwd>упрочнение</kwd><kwd>интерметаллиды</kwd><kwd>износостойкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>electrospark modifying</kwd><kwd>functional covering</kwd><kwd>phase structure</kwd><kwd>hardening</kwd><kwd>intermetallida</kwd><kwd>gas environment</kwd><kwd>density of dislocations</kwd><kwd>wear resistance</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">Lofaj, F. Transfer film in a friction contact in the nanocomposite WC-C coatings / F. Lofaj, M. Ferdinandy, G. 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