Influence of matrix ductility and fibre architecture on the repeated impact response of glass-fibre-reinforced laminated composites.

B.A.G. Schrauwen, A.A.J.M. Peijs

Research output: Contribution to journalArticleAcademicpeer-review

39 Citations (Scopus)
126 Downloads (Pure)

Abstract

This paper describes the results of falling weight impact tests on glass-fibre-reinforced laminates. The test program consisted of (i) falling weight impact tests for the determination of the penetration energy and the influence of laminate construction on damage development and (ii) repeated falling weight impact tests for the determination of the impact fatigue lifetime and damage development under repeated impact conditions at sub-penetration energy levels. The objective of this work is to compare the impact behaviour of cross-ply laminates based on a brittle unsaturated polyester resin and a more ductile vinyl ester resin system and two types of glass reinforcement, i.e. woven- and multiaxial non-crimp fabric. The penetration energy of the various composite laminates appeared to be mainly influenced by the type of reinforcement, whereas damage development during (repeated) impact is strongly influenced by both fibre architecture and resin. No significant effect of the different material parameters investigated on the number of impacts to penetration (impact fatigue lifetime) is observed. Especially when the repeated impact energy is normalised with respect to the penetration energy, all laminates showed similar behaviour.
Original languageEnglish
Pages (from-to)331-352
Number of pages22
JournalApplied Composite Materials
Volume9
Issue number6
DOIs
Publication statusPublished - 2002

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