UDC
678.747.2
DOI
10.18577/2307-6046-2020-0-11-93-101
Article PDF (Russian) (1.08 MB)
How to cite
Dyshenko V.S., Minibaev M.I., Usacheva M.N. Creating holes in sound-absorbing structures during molding // Proceedings of VIAM. 2020. No. 11 (93). Ст. 10. URL: https://www.viam-works.ru. DOI: 10.18577/2307-6046-2020-0-11-93-101.

Creating holes in sound-absorbing structures during molding

Dyshenko V.S., Minibaev M.I., Usacheva M.N.
Abstract

Monolithic samples are made of carbon fiber based on fabrics that are cured by infusion. Perforation is carried out on a CNC milling machine after confirmation and on special equipment until confirmation. Samples are cut from the plate at an angle of 4–5°, as the orientation of the holes in real sound-absorbing structures. Samples tested for tensile strength according to GOST 56785–2015. Samples cut from plates made by molding give 25% higher results than samples obtained by processing on a CNC machine.

Keywords
sound-absorbing structures, infusion, carbon fiber reinforced plastic, perforation, polymer composite materials (PCM), PCM processing.
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