Frictional Properties and Wear of Composites Based on PTFE / Layered Silicates

Iuliia Valerievna Kapitonova; Praskovia Nikolaevna Tarasova; Aitalina Alekseevna Okhlopkova; Nadezhda Nikolaevna Lazareva; Andrey Vladimirovich Khokhlov

doi:10.2474/trol.18.10

Article

Frictional Properties and Wear of Composites Based on PTFE / Layered Silicates

Iuliia Valerievna Kapitonova, Praskovia Nikolaevna Tarasova, Aitalina Alekseevna Okhlopkova, Nadezhda Nikolaevna Lazareva, Andrey Vladimirovich Khokhlov

著者情報

キーワード: polytetrafluoroethylene, composite, layered silicates, serpentinite, magnesium spinel, friction surface, tribochemical processes

ジャーナルオープンアクセス

2023 年 18 巻 2 号 p. 10-17

DOI https://doi.org/10.2474/trol.18.10

詳細

抄録

The tribotechnical characteristics of polymer composites based on PTFE and layer silicates (serpentinite) were studied, depending on the test duration time. It was indicated that adding a serpentinite and magnesium spinel increased the wear resistance of the composite by up to 480 times compared to the original PTFE. It was found that particles of fillers and PTFE promote formation of a secondary structure on the friction surface, helping reduce the material wear process. The method of infrared (IR) spectroscopy and EDS showed that tribochemical reactions take place on the friction surface of composites.

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