Selection and Evaluation of Sustainable Materials for Tidal Turbine Blades
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The long lifespan and difficult maintenance procedures of tidal turbine blades make the selection of eco-friendly, durable materials difficult. Nevertheless, the development of sustainable composite materials for tidal turbine blades is crucial for reducing the environmental impact of these renewable energy technologies. This study investigates the process of selection and evaluation of a thermoplastic Elium resin from Arkema, in combination with fiberglass reinforcement, for use in tidal turbine blades. The chosen resin offers several advantages, including recyclability, compatibility with infusion processes, and good overall mechanical properties. To assess long-term performance, various tests were conducted on aged samples. Mechanical testing showed that while aging led to reductions in several key properties (e.g., ILSS, tensile strength, compressive strength), the material's overall performance remained viable for use in turbine blades, especially with the application of a protective coating. Improved handling of the resin in later samples resulted in better performance. This work contributes to the ongoing efforts to develop more sustainable and recyclable materials for renewable energy infrastructure.
