Izod Impact Tests in Polyester Matrix Composites Reinforced with Banana Fibers

Abstract:

Polymer matrix composites have been applied in components such as helmets and shielding for which toughness is a major requirement. A natural fiber presents interfacial characteristics with polymeric matrices that favor a high impact energy absorption by the composite structure. The objective of this work was then to assess the Izod impact resistance of polymeric composites reinforced with different amounts, up to 30% in volume, of a promising high strength natural fiber, the banana fiber. The results showed a remarkable increase in the notch toughness with the amount of incorporated banana fibers. This can be attributed to a preferential debonding of the fiber/matrix interface, which contributes to an elevated absorbed energy.

• Periodical: Materials Science Forum (Volumes 775-776)
• Pages: 261-265
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.775-776.261
• Online since: January 2014
• Authors: Sergio Neves Monteiro, Frederico Muylaert Margem, Foluke Salgado de Assis, Rômulo Leite Loiola, Michel Picanço Oliveira
• Keywords: Banana Fiber, Composite, Izod Testing, Notch Toughness, Polyester Matrix

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