Izod Impact Tests with Polyester Matrix Reinforced with Buriti Fibers

Abstract:

The buriti palm tree (Mauritia flexuosa) has, in its petiole, natural fibers with great potential for reinforcement of polymer composites. This work attempts to evaluate the impact resistance of this type of fiber reinforcing polyester matrix. The fibers were mixed with polyester resin under pressure in a metallic mold, and cured at room temperature for 24 hours. Specimens were prepared with fiber percentages varying from 0 to 30% in volume. These specimens were tested in an Izod impact pendulum and the fracture surfaces were examined by scanning electron microscopy, SEM. The impact resistance increased substantially with the relative amount of buriti fiber reinforcing the composite. This performance was associated with the resistance imposed by the fibers and the crack propagation behavior.

• Periodical: Materials Science Forum (Volumes 775-776)
• Pages: 330-335
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.775-776.330
• Online since: January 2014
• Authors: Sergio Neves Monteiro, Frederico Muylaert Margem, Michel Picanço Oliveira, Giulio Rodrigues Altoé
• Keywords: Buriti Fiber, Composite, Impact Izod, Polyester, SEM

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