Structure and Mechanical Characteristics of Composites with High Damping Properties

The damping characteristics of hybrid composites reinforced with spherical and fibrous elastic inclusions with viscoelastic coatings are studied. It is shown that, in the composites with the particle morphology, a significant increase in the dissipation loss can be implemented and the effective loss...

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Bibliographic Details
Published in:Doklady. a journal of the Russian Academy of Sciences. Physics 2023-05, Vol.68 (5), p.171-176
Main Authors: Lomakin, E. V., Lurie, S. A., Rabinskiy, L. N.
Format: Article
Language:English
Subjects:
Classical Mechanics
Coatings
Composite structures
Damping
Dissipation factor
Hybrid composites
Inclusions
Mathematical and Computational Physics
Mechanical properties
Mechanics
Particulate composites
Physics
Physics and Astronomy
Theoretical
Viscoelasticity
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Summary:The damping characteristics of hybrid composites reinforced with spherical and fibrous elastic inclusions with viscoelastic coatings are studied. It is shown that, in the composites with the particle morphology, a significant increase in the dissipation loss can be implemented and the effective loss of a composite can exceed the dissipation loss of viscoelastic coatings by a factor of more than 20. Analytical estimates of the optimum parameters of hybrid composites are proposed. The effect of possible imperfections of the composite structure on the effective dissipation properties of the composites is analyzed.
ISSN:1028-3358
1562-6903
DOI:10.1134/S1028335823050130