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On the physical-mechanical and tribotechnical properties of antifriction carbon fiber based on a modified thermosetting matrix
https://doi.org/10.22349/1994-6716-2024-118-2-91-103
Abstract
The physical-mechanical and tribological properties of anti-friction carbon fiber plastic UGET based on low-modulus carbon fabric “Ural T-15R” have been studied in order to increase the magnitude of the ultimate deformation and reduce the elastic modulus through the use of a modified thermosetting matrix ET-4 instead of the traditionally used ET-2.
Modes of polymerization and of heat treatment of epoxy binders were selected considering the results of the experiments. Prototypes of prepregs were obtained by solution impregnation on the UPST-1000M line and then processed into PCM by hot pressing. Laboratory samples were made and physical and mechanical tests were carried out to determine the ultimate strength under compression, shear and bending stress under destruction, as well as Charpy impact strength. Steel 20Kh13 and oxidized titanium alloy PT-3V were used as counter body rollers to determine carbon fiber tribosets.
It was shown that carbon fiber samples based on chemically modified binder ET-4 with two-stage polymerization and heat treatment mode in the range of 90°C to 180°C both have better physical-mechanical and tribotechnical properties, in contrast with the analogue with a three-stage mode and carbon fiber carbon heat at friction over 20Kh13 steel and oxidized titanium alloy PT-3V.
About the Authors
D. D. Dvoryantsev
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
I. V. Lishevich
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Cand Sc. (Eng).
49 Shpalernaya St, 191015 St Petersburg
A. S. Sargsyan
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Cand Sc. (Eng).
49 Shpalernaya St, 191015 St Petersburg
A. S. Savelov
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Cand Sc. (Eng).
49 Shpalernaya St, 191015 St Petersburg
E. A. Sharko
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
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Review
For citations:
Dvoryantsev D.D., Lishevich I.V., Sargsyan A.S., Savelov A.S., Sharko E.A. On the physical-mechanical and tribotechnical properties of antifriction carbon fiber based on a modified thermosetting matrix. Voprosy Materialovedeniya. 2024;(2(118)):91-103. (In Russ.) https://doi.org/10.22349/1994-6716-2024-118-2-91-103
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