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Hybrid Carbon Fiber Reinforced Laminates with Interlaminar Nanofibers

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Abstract:

Polyamide (PA) nanofibers (NFs) interleaves have been inserted as a continuous non-woven mat between prepreg plies of a carbon fiber reinforced (CFR) laminate during lamination. Hybridization has been made by mixing two different material scales, being the micro-scale and the nanoscale of the CFs and the NFs respectively and two different polymer types being thermosetting the matrix and thermoplastic the NFs. Final composite laminates have been produced by vacuum bagging and autoclave molding according to the consolidated industrial procedure of aeronautic parts. Traditional square CFR laminates with 20 plies have been also manufactured using the same unidirectional (UD) CFR prepreg tape with 0/90 stacking sequence for comparison. Rectangular specimens were finally extracted from the manufactured plates. Dynamic mechanical analysis (DMA) and three-point bending tests were carried out. The reduction of the glass transition temperature Tg revealed the achieved interaction among PANFs and the resin matrix. Moreover, bending strength increased up to 9% for hybrid laminates revealing that nanostructures can add functionalities to traditional composite laminates without affecting their mechanical performances.

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Periodical:

Materials Science Forum (Volume 1107)

Pages:

3-8

DOI:

https://doi.org/10.4028/p-RUz3Px

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Online since:

December 2023

Authors:

Leandro Iorio*, Fabrizio Quadrini, Denise Bellisario, Alice Proietti, Nicola Gallo, Loredana Santo

Keywords:

Autoclave Molding, Carbon Fiber Reinforced Laminates, Hybrid Composite, Polyamide Nanofibers

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© 2023 Trans Tech Publications Ltd. All Rights Reserved

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