Improvement of the Antifriction Properties of Carbon−Carbon Composites in Friction-Type Bearings under Dry Friction Conditions.

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Title: Improvement of the Antifriction Properties of Carbon−Carbon Composites in Friction-Type Bearings under Dry Friction Conditions.
Authors: Alisin, V. V.1 (AUTHOR), Kravchenko, I. N.1 (AUTHOR) kravchenko-in71@yandex.ru, Erofeev, M. N.1 (AUTHOR), Leshakov, I. A.1 (AUTHOR), Bukov, O. S.1 (AUTHOR)
Source: Technical Physics. Jun2026, Vol. 71 Issue 6, p414-419. 6p.
Subjects: Carbon composites, Dry friction, Surface coatings, Sliding friction, Bearings (Machinery), Wear resistance, High temperatures
Abstract: The problem of improving the antifriction properties of carbon−carbon composites under dry friction conditions has been considered. Dry friction arises at the starting instant of friction when a radial friction-type bearing is activated under the conditions of high temperatures and extremely low adhesion of a lubricant film. The feasibility of preventing the shaft scuffing by reducing the friction coefficient and modifying the carbon composite has been justified. A comparative analysis of the influence of temperature on the friction coefficient of the carbon composite in the as-delivered state and the composite subjected to selenium vapor modification has been carried out. A decrease in the friction coefficient has been confirmed experimentally. The material of modifiers has been found in the surface layers of composites by means of spectral elemental analysis. Based on experimental data it is suggested that bushings made of modified carbon−carbon composites are used in high-temperature bearings. [ABSTRACT FROM AUTHOR]
Copyright of Technical Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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An: 194936421
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  Data: Improvement of the Antifriction Properties of Carbon−Carbon Composites in Friction-Type Bearings under Dry Friction Conditions.
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  Data: <searchLink fieldCode="JN" term="%22Technical+Physics%22">Technical Physics</searchLink>. Jun2026, Vol. 71 Issue 6, p414-419. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Carbon+composites%22">Carbon composites</searchLink><br /><searchLink fieldCode="DE" term="%22Dry+friction%22">Dry friction</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+coatings%22">Surface coatings</searchLink><br /><searchLink fieldCode="DE" term="%22Sliding+friction%22">Sliding friction</searchLink><br /><searchLink fieldCode="DE" term="%22Bearings+%28Machinery%29%22">Bearings (Machinery)</searchLink><br /><searchLink fieldCode="DE" term="%22Wear+resistance%22">Wear resistance</searchLink><br /><searchLink fieldCode="DE" term="%22High+temperatures%22">High temperatures</searchLink>
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  Data: The problem of improving the antifriction properties of carbon−carbon composites under dry friction conditions has been considered. Dry friction arises at the starting instant of friction when a radial friction-type bearing is activated under the conditions of high temperatures and extremely low adhesion of a lubricant film. The feasibility of preventing the shaft scuffing by reducing the friction coefficient and modifying the carbon composite has been justified. A comparative analysis of the influence of temperature on the friction coefficient of the carbon composite in the as-delivered state and the composite subjected to selenium vapor modification has been carried out. A decrease in the friction coefficient has been confirmed experimentally. The material of modifiers has been found in the surface layers of composites by means of spectral elemental analysis. Based on experimental data it is suggested that bushings made of modified carbon−carbon composites are used in high-temperature bearings. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Technical Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1134/S1063784225601474
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 414
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      – SubjectFull: Carbon composites
        Type: general
      – SubjectFull: Dry friction
        Type: general
      – SubjectFull: Surface coatings
        Type: general
      – SubjectFull: Sliding friction
        Type: general
      – SubjectFull: Bearings (Machinery)
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      – SubjectFull: Wear resistance
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      – SubjectFull: High temperatures
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      – TitleFull: Improvement of the Antifriction Properties of Carbon−Carbon Composites in Friction-Type Bearings under Dry Friction Conditions.
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              Text: Jun2026
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              Y: 2026
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