Effect of Glass Fiber Hybridization on the Behavior Under Impact of Woven Carbon Fiber/Epoxy Laminates

Author:

Enfedaque A.1,Molina-Aldareguía J.M.2,Gálvez F.1,González C.3,LLorca J.4

Affiliation:

1. Departamento de Ciencia de Materiales, Universidad Politécnica de Madrid E. T. S. de Ingenieros de Caminos, 28040-Madrid, Spain

2. Instituto Madrileño de Estudios Avanzados de Materiales (IMDEA Materiales) C/ Profesor Aranguren s/n, 28040-Madrid, Spain

3. Departamento de Ciencia de Materiales, Universidad Politécnica de Madrid E. T. S. de Ingenieros de Caminos, 28040-Madrid, Spain, Instituto Madrileño de Estudios Avanzados de Materiales (IMDEA Materiales) C/ Profesor Aranguren s/n, 28040-Madrid, Spain

4. Departamento de Ciencia de Materiales, Universidad Politécnica de Madrid E. T. S. de Ingenieros de Caminos, 28040-Madrid, Spain, Instituto Madrileño de Estudios Avanzados de Materiales (IMDEA Materiales) C/ Profesor Aranguren s/n, 28040-Madrid, Spain,

Abstract

The low-velocity impact behavior was studied in hybrid laminates manufactured by RTM with woven carbon and glass (S2) fabrics. Specimens with different thicknesses and glass fiber content (from 0 to 21 vol.%) were tested with impact energies in the range 30-245 J and the resulting deformation and fracture micromechanisms were studied using X-ray microtomography. The results of these analyses, together with those of the impact tests (maximum load and energy absorbed), were used to elucidate the role played by glass fiber hybridization on the fracture micromechanisms and on the overall laminate performance under low-velocity impact.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

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