The Influence of Metal Cations of Mechanoactivated Bentonite on Tribochemical Processes in PTFE


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Abstract

The influence of metals of a bentonite composition on the processes of frictional interaction and tribotechnical properties of PTFE as a result of their preliminary mechanoactivation was studied. It is shown that mechanical activation liberates cations from octahedral layers of layered silicate. The formation of tribo-oxidation products and the influence of metals on tribochemical reactions have been shown and substantiated by IR spectroscopy. A correlation was obtained between the composition of the cations, the products of tribo-oxidation, and the wear resistance of composites.

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S. A. Sleptsova

Ammosov Northeastern Federal University

Author for correspondence.
Email: ssard@yandex.ru
Russian Federation, Yakutsk, 677000

N. N. Lazareva

Ammosov Northeastern Federal University

Email: ssard@yandex.ru
Russian Federation, Yakutsk, 677000

V. I. Fedoseeva

Ammosov Northeastern Federal University; Melnikov Permafrost Institute, Russian Academy of Sciences, Siberian Branch

Email: ssard@yandex.ru
Russian Federation, Yakutsk, 677000; Yakutsk, 677010

Yu. V. Kapitonova

Ammosov Northeastern Federal University

Email: ssard@yandex.ru
Russian Federation, Yakutsk, 677000

A. A. Okhlopkova

Ammosov Northeastern Federal University; Institute of Oil and Gas Problems, Russian Academy of Sciences, Siberian Branch

Email: ssard@yandex.ru
Russian Federation, Yakutsk, 677000; Yakutsk, 677980

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