Enhancing Coating Adhesion on Fibre-Reinforced Composite by Femtosecond Laser Texturing
Source abstract
Abstract
Carbon fibre-reinforced polymers (CFRP), thanks to their properties such as lightness, resistance to corrosion and fatigue, are emerging composite materials in the aeronautic fields, guaranteeing to reduce weight and costs by maintaining high performances in terms of strength and security. For preventing fluid damage and freezing, in aeronautic applications, CFRP parts need to be coated by painting. However, the paint/coating adhesion on CFRP composites is generally poor and affected by surface conditions. In this work, femtosecond laser texturing was investigated as an approach to improve adhesion of superhydrophobic coatings (SHC) to CFRP substrates. The laser textured surfaces show, after coating, a more lasting superhydrophobic behaviour compared to the as received sample, even after several cleaning cycles, demonstrating that the laser pre-treatment is a reliable and green method to enhance the adhesion of the SHC to the composite substrate.
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Research context
OpenAlex topics: Surface Modification and Superhydrophobicity · Adhesion, Friction, and Surface Interactions · Silicone and Siloxane Chemistry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Italian Aerospace Research Centre, CIRA, Via Maiorise, 1, 81043 Capua, Italy
Dipartimento Interateneo di Fisica, Politecnico di Bari & Università degli Studi di Bari, 70125 Bari, Italy
National Research Council of Italy, IFN CNR, Institute for Photonics and Nanotechnologies, Via Amendola 173, 70125 Bari, Italy
References (47)
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