EOLIAN kicks off bio-based wind blade development
EU project will develop bio-based, repairable and recyclable vitrimer composites and advanced sensors for highly reliable, sustainable wind blades.
EOLIAN, a 3.5-year EU-funded project aiming to develop a new generation of smart, sustainable wind turbine blades with longer lifetime, improved reliability and higher sustainability. Project kick-off, which took place in June, brought together partners to discuss work packages and the activities planned for the coming months. The project’s social media channels and website will be launched later this year.
EOLIAN blades will be repairable and recyclable with integrated sensors to enable structural health monitoring (SHM). This will be achieved by using:
- Bio-based, reparable, recyclable vitrimer composites with basalt fibers
- Recyclable sensors and actuators
- Advanced multi-scale modeling
- LCA-based environmental analysis
Project coordinator is Proplast (Italy), supported by consortium partners Politecnico di Milano (Italy), Zorlu Holding (Turkey), IRES – Innovation in Research and Engineering Solutions (Belgium), Norvento Enerxía (Spain), Tekniker (Spain), AEP Polymers (Italy), Entelea (U.K.), The European Composites Industry Association (EuCIA) and Brunel Composites Centre (BCC, U.K.). Together, these companies bring experts in vitrimer chemistry, SHM in the wind industry, composite materials, and dissemination and exploitation. EuCIA will lead Work Package 8: Dissemination and Exploitation, which will disseminate the project’s results, develop exploitation strategies and a roadmap for commercialization.
According to EuCIA, the use of vitrimers will pave the way to different end-of-use solutions for wind blades, which will be studied as part of the project. Vitrimer composites exhibit similar mechanical properties to thermoset composites but they can be reprocessed after cure, which enables the reuse of parts by heating and simple reshaping (thermoforming; read “Vitrimers: The reprocessable thermoset”). Chemical recycling allows the separation of the vitrimer matrix and fiber, with the potential to reuse both materials in the wind energy sector. When the end-of-use part is considered low quality, it can be shredded mechanically and the recycled materials molded into other applications simply by reheating.
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