Abstract
The utilization of wind power has increased almost exponentially during the last decade, leading to the growth in both the number and size of wind turbines. Modern turbine blades are typically made of fiberglass sandwiched around a balsa wood (BW) core. With an increase in the use of wind energy a collateral issue of what to do with the large and voluminous wind turbine blades (WTB) that reached end-of-life has arisen. Through previous research, we developed a recycling process that will keep these turbine blades out of the landfill by considering recycled wind turbine blades as a feedstock for second generation composite panels. The objective of this research is to further the research by understanding the effect that different compositions of wood and fiberglass have on the properties of these panels. Through testing, it was found that the addition of balsa wood increases the modulus of rupture (MOR) and the modulus of elasticity (MOE). The internal bonding (IB) strength values are well above that of typical particle board. All panels tested were visibly more resistant to water sorption than typical particle board. The thermal conductivity for all samples was within the typical range for particleboard. Fire test result indicates that the addition of balsa wood increases the heat and visible smoke release rate of composites.
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The authors gratefully appreciate the financial support by Global Fiberglass Solutions Inc. Seattle WA.
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Mamanpush, S.H., Li, H., Tabatabaei, B.T. et al. The Impact of Wood Fibers in Composite Panels Made from Recycled Fiberglass Wind Turbine Blades. Waste Biomass Valor 14, 2957–2964 (2023). https://doi.org/10.1007/s12649-023-02038-2
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DOI: https://doi.org/10.1007/s12649-023-02038-2