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Influence of oscillatory process energy on the structure and properties of composite material
https://doi.org/10.22349/1994-6716-2025-123-3-122-135
Abstract
A new method of pressing composites modified with carbon fillers is presented, with additional complex impact of ultrasonic vibrations at 17 kHz and superimposed low-frequency amplitude modulation at 100 Hz. Thus, impact of this kind made it possible to reduce the intensity of mass wear of composite samples under dry friction by 1000 times compared to polytetrafluoroethylene samples and at the same time maintain the friction coefficient of the original polymer. It is shown that ultrasonic vibrations promote disaggregation of nanosized particles, and simultaneously superimposed low-frequency amplitude modulation leads to an ordered distribution of the filler in the polymer matrix. This mode ensures the production of a defect-free structure due to compaction of the composite mixture and helps to eliminate pores and cracks in the volume of the material.
About the Authors
D. A. Negrov
Omsk State Technical University
Russian Federation
Russian Federation
Cand Sc. (Eng)
11 Mira Ave, 644050 Omsk
V. Yu. Putintsev
Omsk State Technical University
Russian Federation
Russian Federation
Cand Sc. (Eng)
11 Mira Ave, 644050 Omsk
E. V. Knyazev
Omsk State Technical University
Russian Federation
Russian Federation
Cand Sc. (Eng)
11 Mira Ave, 644050 Omsk
A. I. Glotov
Omsk State Technical University
Russian Federation
Russian Federation
11 Mira Ave, 644050 Omsk
D. A. Weber
Omsk State Technical University
Russian Federation
Russian Federation
11 Mira Ave, 644050 Omsk
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Review
For citations:
Negrov D.A., Putintsev V.Yu., Knyazev E.V., Glotov A.I., Weber D.A. Influence of oscillatory process energy on the structure and properties of composite material. Voprosy Materialovedeniya. 2025;(3(123)):122-135. (In Russ.) https://doi.org/10.22349/1994-6716-2025-123-3-122-135
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