Initial stage environmental degradation of the polymer matrix composites evaluated by water diffusion coefficient

Panin S.V., Startsev O.V., Krotov A.S.
UDC
539.217.3:539.219.3
DOI
10.18577/2307-6046-2014-0-7-9-9
Article PDF (Russian) (603.4 KB)
How to cite
Panin S.V., Startsev O.V., Krotov A.S. Initial stage environmental degradation of the polymer matrix composites evaluated by water diffusion coefficient // Proceedings of VIAM. 2014. No. 7. DOI: 10.18577/2307-6046-2014-0-7-9-9. URL: https://test.viam.ru/en/journal/2014/7/9
Abstract

Sorption and diffusion model, considering Fickian diffusion, structural relaxation, chemical reactions and the influence of damaged surface was proven to be useful for evaluation of CFRP initial stages of degradation. After 6 month of outdoor exposure in warm temperate maritime climate initial stages of polymer degradation were discovered in surface layer less than 10 µm. The degradation does not affect physico-mechanical properties of composite, but the diffusion coefficient is increased by 65%.

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