fwjТрение и и износTitle in english0000-00000000-0000AGU10.32864/0202-4977-2024-45-6-493-502fwj-59Research ArticleСтатьиМеханизм смазочного действия модельных систем с присадками углеродных наноструктур в условиях жесткого режима тренияMechanism of Lubricating Action of Model Systems with Additives of Carbon Nanostructures under Hard Friction ConditionsШиловМ. А.ShilovM. А.

ул. Ермака, 39, г. Иваново 153025

ул. Рабфаковская, д. 34, г. Иваново 153003

Ivanovo 153025

Ivanovo 153003

СмирноваА. И.SmirnovaA. I.

ул. Ермака, 39, г. Иваново 153025

Ivanovo 153025

КупреенкоC. Ю.KupreenkoS. Yu.

г. Москва 119991

Moscow 119991

ГвоздевА. А.GvozdevA. A.

ул. Советская, д. 45, г. Иваново 153012

Ivanovo 153012

РожковаН. Н.RozhkovaN. N.

ул. Пушкинская, д. 11, г. Петрозаводск 185910

Petrozavodsk 185910

ДьячковаТ. П.DyachkovaT. P.

ул. Советская, д. 106, г. Тамбов 392000

Tambov 392000

СтолбовД. Н.StolbovD. N.

ул. Ермака, 39, г. Иваново 153025

г. Москва 119991

Ivanovo 153025

Moscow 119991

СавиловС. В.SavilovS. V.

г. Москва 119991

Moscow 119991

УсольцеваН. В.Usol’tsevaN. V.

ул. Ермака, 39, г. Иваново 153025

Ivanovo 153025

nv_usoltseva@mail.ruНИИ наноматериалов Ивановского государственного университета; Ивановский государственный энергетический университет им. В.И. ЛенинаРоссияNanomaterials Research Institute, Ivanovo State University; Ivanovo State Power Engineering University named after V.I. LeninRussian FederationНИИ наноматериалов Ивановского государственного университетаРоссияNanomaterials Research Institute, Ivanovo State UniversityRussian FederationХимический факультет Московского государственного университета имени М.В. ЛомоносоваРоссияDepartment of Chemistry, Lomonosov Moscow State UniversityRussian FederationВерхневолжский государственный агробиотехнологический университетРоссияVerkhnevolzhsk State University of Agronomy and BiotechnologyRussian FederationИнститут геологии Карельского центра РАНРоссияInstitute of Geology Karelian Center of Russian Academy of SciencesRussian Federation6Тамбовский государственный технический университетРоссияTambov State Technical UniversityRussian FederationНИИ наноматериалов Ивановского государственного университета; Химический факультет Московского государственного университета имени М.В. ЛомоносоваРоссияNanomaterials Research Institute, Ivanovo State University; Topchiev Institute of Petrochemical Synthesis of Russian Academy of SciencesRussian FederationХимический факультет Московского государственного университета имени М.В. Ломоносова; Институт нефтехимического синтеза им. Топчиева РАНРоссияDepartment of Chemistry, Lomonosov Moscow State University; Topchiev Institute of Petrochemical Synthesis of Russian Academy of SciencesRussian Federation202428092026456493502Copyright © AGU, 20262026AGUAGUhttps://fwj.ejournal.by/jour/about/submissions#copyrightNoticehttps://fwj.ejournal.by/jour/article/view/59

Рассмотрен механизм смазочного действия двух модельных смазок на основе вазелина медицинского с присадками 0,5 мас. % оксида графена (GO) и шунгитового наноуглерода (Sh) в условиях жёсткого режима трения (машина трения 2070 СМТ-1, нагрузка 2000 Н) при трении пары «диск–ролик» из закалённой стали ШХ15. Проведен анализ вклада химической компоненты в противоизносный процесс. Отмечено, что в случае использования обеих модельных смазок в зоне контакта формируются защитные оксидные плёнки, состоящие из оксидов железа (FeO, Fe2O3, Fe3O4), при этом тип данных двух присадок УНС практически не оказывает влияния на химический состав оксидной плёнки и количественное соотношение образующихся оксидов железа. Полученные результаты показывают, что определяющий вклад в противоизносный процесс вносит механическая компонента, связанная с пространственной организацией присадок УНС.

The mechanism of the lubricating effect of two model lubricants based on medical vaseline with 0.5 wt. % additives of carbon nanostructures (CNS), namely graphene oxide (GO) and shungite nanocarbon (Sh), under hard friction conditions (friction machine 2070 SMT-1, “disc–roller” friction pair made of hardened steel ShKh15, load 2000 N) has been established. The friction surfaces were examined by confocal laser micros-copy and scanning electron microscopy. The elemental composition of the friction surfaces was determined with the help of energy-dispersive X-ray spectroscopy (EDX) and X-ray photoelectron spectroscopy (XPS). The contribution of the chemical component (formation of iron oxides) to the anti-wear process was analyzed. It was found that despite the difference in the spatial structure of the used CNSs, the processes occurring in the friction zone are chemically similar. It has been demonstrated that with the use of both model lubricants, protective oxide films consisting of iron oxides (FeO, Fe2O3, Fe3O4) are formed in the contact zone. The chemical composition of the oxide film and the quantitative ratio of the formed iron oxides are not signifi-cantly affected by the type of CNS additives used. The obtained results, together with the studies we per-formed earlier, demonstrate that the mechanical component, associated with the spatial organization of CNS additive, makes the decisive contribution to the anti-wear process under hard friction conditions.

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The authors declare that there are no conflicts of interest present.