Testing of samples from three-layer structures with honeycomb filler

Erasov V.S., Sibayev I.G., Sutubalov A.I.
Erasov V.S., Sibayev I.G., Sutubalov A.I. Testing of samples from three-layer structures with honeycomb filler // Proceedings of VIAM. 2025. No. 10. DOI: 10.18577/2307-6046-2025-0-10-133-155. URL: https://test.viam.ru/en/journal/2025/10/11
Keywords
hree-layer structures, honeycomb filler, sandwich structures, mechanical characteristics
Abstract

A three-layer structure with a honeycomb core (sandwich structure) is presented as a composite material consisting of two coverings as a reinforcing filler, a honeycomb core (matrix) and an adhesive layer as an interphase layer. A detailed review of the methods for testing of samples from three-layer structures with a honeycomb core is given. The following tests are considered: bending, compression, tension, shear, peeling of the covering on a drum, the ability to absorb the energy of external force action, static and impact loading. The main types of destruction of sandwich structures during these tests are reflected. The characteristics of the material determined during these tests are considered. Recommendations for the design of three-layer structures are given.

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