The influence of natural exposure on the properties and microstructure of carbon fiber plastic VKU-38TP

Nacharkina A.V., Zelenina I.V., Kurshev E.V., Evdokimov A.A.
UDC
678.747.2
DOI
10.18577/2307-6046-2026-0-3-124-140
Article PDF (Russian) (1.69 MB)
How to cite
Nacharkina A.V., Zelenina I.V., Kurshev E.V., Evdokimov A.A. The influence of natural exposure on the properties and microstructure of carbon fiber plastic VKU-38TP // Proceedings of VIAM. 2026. No. 3. DOI: 10.18577/2307-6046-2026-0-3-124-140. URL: https://test.viam.ru/en/journal/2026/3/10
Keywords
polymer composite materials (PCM), high-temperature carbon plastics, phthalonitrile resin, natural aging, moisture absorption, water absorption, strength characteristics
Abstract

The article presents the study results on effect of natural aging in the climatic zones of Moscow and Gelendzhik on the structure and properties of carbon fiber based on phthalonitrile binder and 3D braided preform. Study results of carbon fiber surface degradation after natural aging under various conditions have been presented. Physical parameters such as density, amount of sorbed moisture, moisture and water absorption, stress-related properties of carbon fiber after natural aging compared to the initial values before exposure

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