Abstract
The paper presents the results of research on the development of polymer composite materials based on polytetrafluoroethylene and basalt or carbon fibers. It has been established that when these fibers are introduced into the polymer, the strength properties of the composites under compression and tension increase in comparison with the initial polymer. As the concentration of fibers in the matrix increases, an increase in the wear resistance of composites up to 41 times is observed observed according to the "finger-disk" friction scheme at a sliding speed of 0.2 m/s and under a load of 160 N. Using scanning electron microscopy, it was found that the structure of the polymer noticeably changes after the addition of fibers of various nature. Photomicrographs of the friction surfaces of composites show that fibers protrude from worn surfaces that protect the polymer from abrasion.
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