Study of dynamic characteristics of samples from metal-polymeric materials and aluminium alloy D16ch-AT

Postnov V.I., Postnova M.V., Antipov V.V., Veshkin E.A
Postnov V.I., Postnova M.V., Antipov V.V., Veshkin E.A Study of dynamic characteristics of samples from metal-polymeric materials and aluminium alloy D16ch-AT // Proceedings of VIAM. 2025. No. 4. DOI: 10.18577/2307-6046-2025-0-4-70-80. URL: https://test.viam.ru/en/journal/2025/4/6
Keywords
metalpolymers, alloy, strength, deformation, loading, elasticity
Abstract

The experience of metal-polymeric composite materials (MPCM) application shows that these materials have a higher durability than traditional aluminum alloys. The article considers results of comparative tests for determination of the elastically damping properties of different types of MPCM and alloy D16. The studies show that the modulus of elasticity and Poinson’s coefficient of the tested MPCM panels are practically independent of the load level in the studied range of relative deformations and close to the values of alloy D16. The damping capacity is slightly dependent on the MPCM structure and logarithmic oscillation discretion is 5 %, while it does not exceed 0,6 % in the alloy D16.

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