DEVELOPMENT OF AN OPTIMAL COMPOSITION OF THREE-COMPONENT HIGH-STRENGTH WEAR-RESISTANT COMPOSITES BASED ON POLYIMIDE

Mechanical and tribological properties of three-component antifriction polyimide-based composites filled with polytetrafluoroethylene and chopped carbon fibers with a weight fraction of 5–15% are studied. It is shown that the elasticity modulus can be almost doubled by adding shopped carbon fibers....

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Bibliographic Details
Published in:Journal of applied mechanics and technical physics 2021-11, Vol.62 (6), p.1028-1036
Main Authors: Panin, S. V., Luo, J., Buslovich, D. G., Kornienko, L. A., Aleksenko, V. O., Bochkareva, S. A.
Format: Article
Language:English
Subjects:
Algorithms
Antifriction
Applications of Mathematics
Carbon fibers
Classical and Continuum Physics
Classical Mechanics
Composite materials
Composition
Coupling
Fluid- and Aerodynamics
Mathematical Modeling and Industrial Mathematics
Mechanical Engineering
Mechanical properties
Physics
Physics and Astronomy
Polymers
Polytetrafluoroethylene
Solid lubricants
Tribology
Wear resistance
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Summary:Mechanical and tribological properties of three-component antifriction polyimide-based composites filled with polytetrafluoroethylene and chopped carbon fibers with a weight fraction of 5–15% are studied. It is shown that the elasticity modulus can be almost doubled by adding shopped carbon fibers. The study of tribological characteristics shows that the wear factor can be reduced by using the above-mentioned complex filler by a factor of 265 in the case of metal-polymer tribological coupling and by a factor of 255 in the case of ceramic-polymer tribological coupling. Optimal compositions of the three-component polyimide-based solid lubricant composite to be used in the cases of metal-polymer and ceramic-polymer tribological coupling are determined by using an in-house computer algorithm.
ISSN:0021-8944
1573-8620
DOI:10.1134/S0021894421060183