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The effects of fibre architecture on water absorption induced degradation in CFRP laminates.

Almudaihesh, Faisel, Pullin, Rhys, Holford, Karen and Eaton, Mark 2018. The effects of fibre architecture on water absorption induced degradation in CFRP laminates. Presented at: 18th European Conference on Composite Materials (ECCM 2018), Athens, Greece, 24-28 June 2018. 18th European Conference on Composite Materials (ECCM-18). Applied Mechanics Laboratory,

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Abstract

The fibre architecture not only plays a significant role in the mechanical properties and the damage mechanisms of carbon fibre reinforced polymers but also on the water ingress mechanism. Unidirectional and 2D woven CFRP were evaluated after water absorption. Weight gain was monitored along with the evaluation of compressive strength, short-beam strength, and impact damage resistance in water-saturated and dry specimens. Microscopic imaging was used in some of the experimental testing to monitor the performance of dry and water-immersed specimens in terms of damage mechanisms. The results showed higher weight gain levels in unidirectional CFRP in undamaged specimens. However, 2D woven CFRP suffered higher water uptake when they were subjected to impact damage prior to water exposure. Reductions in the mechanical properties were primarily observed for matrix dominated properties for both unidirectional and 2D woven CFRP types.

Item Type: Conference or Workshop Item (Paper)
Status: Published
Schools: Engineering
Publisher: Applied Mechanics Laboratory
ISBN: 9781510896932
Related URLs:
Date of First Compliant Deposit: 19 February 2021
Last Modified: 19 Feb 2021 16:30
URI: http://orca.cardiff.ac.uk/id/eprint/138590

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