Experimental and Numerical Comparison of Impact Behavior between Thermoplastic and Thermoset Composite for Wind Turbine Bladesopen access
- Authors
- Pinto, Thiago Henrique Lara; Gul, Waseem; Torres, Libardo Andres Gonzalez; Cimini Jr, Carlos Alberto; Ha, Sung Kyu
- Issue Date
- Nov-2021
- Publisher
- MDPI
- Keywords
- wind turbine blades; elium thermoplastic matrix; impact; hybrid composites; NCF (non-crimp fabric); VA-RTM (vacuum assisted resin transfer molding)
- Citation
- MATERIALS, v.14, no.21, pp.1 - 23
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS
- Volume
- 14
- Number
- 21
- Start Page
- 1
- End Page
- 23
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/140504
- DOI
- 10.3390/ma14216377
- Abstract
- Damage generated due to low velocity impact in composite plates was evaluated focusing on the design and structural integrity of wind turbine blades. Impact properties of composite plates manufactured with thermoplastic and thermoset resins for different energy levels were measured and compared. Specimens were fabricated using VARTM (vacuum assisted resin transfer molding), using both matrix systems in conjunction with carbon, glass and carbon/glass hybrid fibers in the NCF (non-crimp fabric) architecture. Resin systems used were ELIUM 188O (thermoplastic) from Arkema Co., Ltd. and a standard epoxy reference, EPR-L20 from Hexion Co., Ltd. (thermoset). Auxiliary numerical finite element analyses were performed to better understand the tests physics. These models were then compared with the experimental results to verify their predictive capacity, given the intrinsic limitations due to their simplicity. Based in the presented results, it is possible to observe that ELIUM is capable to replace a conventional thermoset matrix. The thermoplastic panels presented similar results compared to its thermoset counterparts, with even a trend of less impact damage. Additionally, for both thermoplastic and thermoset resin systems, glass layups showed the lowest levels of damage while carbon panels presented the highest damage levels. Hybrid laminates can be applied as a compromise solution.
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