The exploration of a structure change and properties of composite based on polytetrafluoroethylene activated by ultrasonic vibrations

The article describes the influence of ultrasonic vibrations energy on the submolecular structure and tribotechnical properties of polymer composite materials based on polytetrafluoroethylene. Comparative analysis of the performed experiments showed that the introduction of ultrasonic vibration ener...

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Hauptverfasser: Negrov, D. A., Eremin, E. N., Putintsev, V. Yu
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Eremin, E. N.
Putintsev, V. Yu
description The article describes the influence of ultrasonic vibrations energy on the submolecular structure and tribotechnical properties of polymer composite materials based on polytetrafluoroethylene. Comparative analysis of the performed experiments showed that the introduction of ultrasonic vibration energy during pressing effects an increase in the wear resistance of polymer composite materials while maintaining low values of the coefficient of friction. In the friction process the submolecular structure changes because of a significant decrease in the size of crystallite blocks due to their fragmentation.
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source AIP Journals Complete
subjects Coefficient of friction
Composite materials
Crystallites
Polymer matrix composites
Polymers
Polytetrafluoroethylene
Ultrasonic vibration
Vibration analysis
Wear resistance
title The exploration of a structure change and properties of composite based on polytetrafluoroethylene activated by ultrasonic vibrations
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