Effect of jute fibres on post-impact behaviour of E-glass reinforced composites assessed through Acoustic Emission
by Elena Mena Agresti, Claudio Caneva, Igor Maria De Rosa, Fabrizio Sarasini, Marco Valente
International Journal of Materials and Product Technology (IJMPT), Vol. 36, No. 1/2/3/4, 2009

Abstract: The aim of this work was to assess the level of damage on hybrid jute/glass-polyester composites resulting from different impact energies through post-impact mechanical tests monitored by Acoustic Emission (AE). The specimens were impacted and then subjected to post-impact four-point bending. Four different impact energies were considered: 5 J, 10 J, 12.5 J and 15 J. To allow for a comparison, E-glass/polyester laminates were tested following the same procedures described above. The degree of impact damage, established in terms of the decrease of mechanical properties (namely flexural strength and modulus) as a function of increasing impact energy, has been correlated with the AE activity.

Online publication date: Wed, 12-Aug-2009

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