Research of the properties of carbon fiber reinforced plastic with coatings after 8 and 13 years of aging in a moderately warm climate

Part 3. Condition of the polymer matrix of a composite
Startsev O.V., Koval T.V., Dvirnaya E.V., Kornienko G.V., Veligodsky I.M.
UDC
539.4:620.197
DOI
10.18577/2307-6046-2025-0-4-96-106
Article PDF (Russian) (351.97 KB)
How to cite
Startsev O.V., Koval T.V., Dvirnaya E.V., Kornienko G.V., Veligodsky I.M. Research of the properties of carbon fiber reinforced plastic with coatings after 8 and 13 years of aging in a moderately warm climate. Part 3. Condition of the polymer matrix of a composite // Proceedings of VIAM. 2025. No. 4. DOI: 10.18577/2307-6046-2025-0-4-96-106. URL: https://test.viam.ru/en/journal/2025/4/8
Keywords
carbon fiber reinforced plastic, paint and varnish coating, climatic aging, dynamic mechanical analysis, glass transition temperature, destruction, plasticization
Abstract

The third part of the article studies physicochemical transformations in the polymer matrix of carbon fiber reinforced plastic KMKU-2m.120 by means of dynamic mechanical analysis. During 8- and 13-year climatic exposure, carbon fiber reinforced plastic plates were protected with paint and varnish coatings VE-46 and AC-1115 of nine colors. After removal from the exposure, the coatings were removed from the surface of the plates, and the temperature dependences of the dynamic storage modulus and the dynamic loss modulus were measured in two states: after drying and after moistening the samples at 60 °C.

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