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- Title
Mechanical Properties, Surface Assessment, and Structural Analysis of Functionalized CFRPs after Accelerated Weathering.
- Authors
Semitekolos, Dionisis; Konstantopoulos, Georgios; Trompeta, Aikaterini-Flora; Jones, Craig; Rana, Amit; Graham, Christopher; Giorcelli, Mauro; Tagliaferro, Alberto; Koumoulos, Elias P.; Charitidis, Costas A.
- Abstract
The present study focuses on the effect of two novel carbon fibre surface treatments, electropolymerisation of methacrylic acid and air pressure plasma, on the mechanical properties and structural integrity of carbon-fibre-reinforced composites under operational conditions. Extensive mechanical testing was applied, both in nano- and macro-scale, to assess the performance of the composites and the interphase properties after ultraviolet/humidity weathering. The results of the mechanical assessment are supported by structure, surface, and chemistry examination in order to reveal the failure mechanism of the composites. Composites with the electropolymerisation treatment exhibited an increase of 11.8% in interlaminar shear strength, while APP treatment improved the property of 23.9%, rendering both surface treatments effective in increasing the fibre-matrix adhesion. Finally, it was proven that the developed composites can withstand operational conditions in the long term, rendering them suitable for a wide variety of structural and engineering applications.
- Subjects
FIBROUS composites; METHACRYLIC acid; AIR pressure; STRUCTURAL engineering; WEATHERING; SHEAR strength
- Publication
Polymers (20734360), 2021, Vol 13, Issue 23, p4092
- ISSN
2073-4360
- Publication type
Article
- DOI
10.3390/polym13234092