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Latest revision as of 14:23, 4 June 2024

Abstract

This experimental work involves characterization and fractography of a bio-based epoxy and an in-situ polymerisable thermoplastic polymer matrix based non-crimp glass and carbon fibre composites under compressive loading. The laminates are characterized under compression loading using a combined loading compression (CLC) fixture. Laminates made using the thermoplastic matrix exhibit higher compressive strength (approx. 20% along fibre direction) compared to the bio-epoxy based laminates. Further, both composites exhibit comparable compressive modulus characteristics. The tested composites are subjected to fractography analysis using Scanning Electron Microscopy (SEM) and Computed tomography (CT). SEM results indicate a difference in fibre-matrix interface characteristics between the thermoplastic matrix and the bio-epoxy matrix. Additionally, the CT scans reveal a difference in failure modes due to fibre orientations. A difference between failure mode of the exterior and interior plies of the specimens was also noticed. However, no specific influence of matrix type was observed on the overall macroscopic failure behavior.

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Published on 11/06/24
Submitted on 04/06/24

Volume Open Access Papers, 2024
Licence: CC BY-NC-SA license

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