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Structure and Mechanical Characteristics of Composites with High Damping Properties

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Abstract

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.

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Funding

This study was supported by the Russian Science Foundation, project no. 22-19-00352.

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Authors and Affiliations

  1. Moscow State University, 119991, Moscow, Russia

    E. V. Lomakin

  2. Moscow Aviation Institute (National Research University), 125993, Moscow, Russia

    E. V. Lomakin, S. A. Lurie & L. N. Rabinskiy

Authors
  1. E. V. Lomakin
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  2. S. A. Lurie
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  3. L. N. Rabinskiy
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Correspondence to E. V. Lomakin or S. A. Lurie.

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Translated by E. Bondareva

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Lomakin, E.V., Lurie, S.A. & Rabinskiy, L.N. Structure and Mechanical Characteristics of Composites with High Damping Properties. Dokl. Phys. 68, 171–176 (2023). https://doi.org/10.1134/S1028335823050130

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  • DOI: https://doi.org/10.1134/S1028335823050130

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