Damping fibrous material on basis of heat-resistant synthetic fibers

Bespalov A.S., Kyz’min V.V., Babashov V.G.
UDC
662.998
DOI
10.18577/2307-6046-2015-0-1-4-4
Article PDF (Russian) (568.79 KB)
How to cite
Bespalov A.S., Kyz’min V.V., Babashov V.G. Damping fibrous material on basis of heat-resistant synthetic fibers // Proceedings of VIAM. 2015. No. 1. DOI: 10.18577/2307-6046-2015-0-1-4-4. URL: https://test.viam.ru/en/journal/2015/1/4
Abstract

The majority of the heat-proofing materials developed for last years (HPM) on a basis of high-heat-resistant inorganic fibers (quartz, silica, on basis of aluminum oxide et al.) have, as a rule, a rigid fibrous structure. When fastening of such material on an isolated metal surface of an aircraft a cracking of material is probable at difference of temperatures owing to a sharp difference on thermal coefficient of linear expansion (TCLE) in the system «metal- fibrous material». For a solution of the problem it is possible to use an intermediate compensating layer (damper), capable to level a pressure between HPM and a metal surface and to prevent a cracking of fibrous material.

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