This paper presents the results of investigation of the effect of carbon fibers with nanosized zirconium dioxide on the mechanical and tribological properties of polytetrafluoroethylene. It is shown that the introduction of binary fillers (carbon fibers with zirconium dioxide) into polytetrafluoroethylene leads to an increase in compression stress by 25-37%, compression elasticity modulus by 24-44% and Shore D hardness by 12-17% compared to the initial polymer. Thermodynamic parameters of polymer composites were investigated by differential scanning calorimetry. It is revealed that the thermodynamic parameters of polymer composites containing binary fillers have increased relative to the polymer matrix and composites containing only carbon fibers. Tribological studies of polymer composites showed an increase in wear resistance by 541-1147 times while maintaining a low coefficient of friction. The study of the friction surface of composites by IR spectroscopy and scanning electron microscopy showed the formation of wear-resistant protective secondary structures on the friction surface, as well as revealed higher structuring of the surface layers of composites with the content of zirconium dioxide.
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23 December 2024
III INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE “TECHNOLOGIES, MATERIALS SCIENCE AND ENGINEERING” (EEA-III 2024)
8–10 April 2024
Dushanbe, Republic of Tajikistan
Research Article|
December 23 2024
Influence of zirconium dioxide and carbon fibers on mechanical and tribological properties of polytetrafluoroethylene
Andrey Vasilev;
Andrey Vasilev
a)
North-Eastern Federal University
, 58, Belinsky str., Yakutsk, 677000, Russian Federation
a)Corresponding author: [email protected]
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Tatyana Struchkova;
Tatyana Struchkova
North-Eastern Federal University
, 58, Belinsky str., Yakutsk, 677000, Russian Federation
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Nadezhda Lazareva;
Nadezhda Lazareva
North-Eastern Federal University
, 58, Belinsky str., Yakutsk, 677000, Russian Federation
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Aitalina Okhlopkova
Aitalina Okhlopkova
North-Eastern Federal University
, 58, Belinsky str., Yakutsk, 677000, Russian Federation
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a)Corresponding author: [email protected]
AIP Conf. Proc. 3243, 020003 (2024)
Citation
Andrey Vasilev, Tatyana Struchkova, Nadezhda Lazareva, Aitalina Okhlopkova; Influence of zirconium dioxide and carbon fibers on mechanical and tribological properties of polytetrafluoroethylene. AIP Conf. Proc. 23 December 2024; 3243 (1): 020003. https://doi.org/10.1063/5.0247490
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