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Advancements in Composite Wind Turbine Blade Manufacturing: Thermoplastic and Thermoset Technologies

This study explores innovative manufacturing technologies for large composite structures in wind turbine blades, focusing on thermoplastic and thermoset composites. Key techniques discussed include structural bonding of two skins and one spar, vacuum infusion, and pre-pregging of individual components. Emphasizing reactive processing of thermoplastics, the research highlights significant benefits such as enhanced tensile strength (495 MPa for APA-6 vs. 476 MPa for epoxy), superior impact resistance, and the environmental advantages of fully recyclable blades, thus paving the way for sustainable energy solutions.

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Advancements in Composite Wind Turbine Blade Manufacturing: Thermoplastic and Thermoset Technologies

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  1. Arun Matt, Qianyi Zhang, Shawn Strong, Dr. Ryo Amano (Supervisor) Current largeblade manufacturing technology Design and Production of Composite Structures: Thermoplastic Wind Turbine Blades • Thermoset composites • 2 skins and 1 spar assembled through structural bonding • Vacuum infusion or pre-pregging of individual parts

  2. Advantages using Reactive processing of Thermoplast • Higher tensile strength (495 MPa APA-6 vs. 476 MPa for epoxy) • Better impact properties • Do not turn brittle at low temperatures • Unlimited shelf-life of raw materials • Environmental & economic benefits from fully recyclable blades

  3. VARTM Casting of Thermosets

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