Water Jet Erosion Performance of Carbon Fiber and Glass Fiber Reinforced Polymers

Complex engineering challenges are revealed in the wind industry; one of them is erosion at the leading edge of wind turbine blades. Water jet erosive wear tests on carbon-fiber reinforced polymer (CFRP) and glass-fiber reinforced polymer (GFRP) were performed in order to determine their resistance...

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Bibliographic Details
Published in:	Polymers 2021-08, Vol.13 (17), p.2933
Main Authors:	Mendoza Mendoza, Jesus Cornelio, Vera Cardenas, Edgar Ernesto, Lewis, Roger, Mai, William, Avila Davila, Erika Osiris, Martínez Pérez, Armando Irvin, Ledesma Ledesma, Saul, Moreno Rios, Marisa
Format:	Article
Language:	eng
Subjects:	Carbon fiber reinforced plastics Carbon fibers Composite materials Epoxy resins Fiber reinforced polymers Glass fiber reinforced plastics Hydraulic jets Microscopy Nozzles Optical microscopy Polymers Profilometers Turbine blades Turbines vacuum infusion process Water injection water jet erosion Water resistance wind industry Wind turbines
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Summary:	Complex engineering challenges are revealed in the wind industry; one of them is erosion at the leading edge of wind turbine blades. Water jet erosive wear tests on carbon-fiber reinforced polymer (CFRP) and glass-fiber reinforced polymer (GFRP) were performed in order to determine their resistance at the conditions tested. Vacuum Infusion Process (VIP) was used to obtain the composite materials. Eight layers of bidirectional carbon fabric (0/90°) and nine glass layers of bidirectional glass cloth were used to manufacture the plates. A water injection platform was utilized. The liquid was projected with a pressure of 150 bar on the surface of the specimens through a nozzle. The samples were located at 65 mm from the nozzle at an impact angle of 75°, with an exposure time of 10, 20 and 30 min. SEM and optical microscopy were used to observe the damage on surfaces. A 3D optical profilometer helped to determine the roughness and see the scar profiles. The results showed that the volume loss for glass fiber and carbon fiber were 10 and 19 mm3, respectively. This means that the resistance to water jet erosion in uncoated glass fiber was approximately two times lower than uncoated carbon fiber.
ISSN:	2073-4360 2073-4360