Characterisation of ductile prepregs

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This study is focused on the analysis of micro-perforated prepregs created from standard, off the shelf prepregs modified by a particular laser process to enhance ductility of prepregs for better formability and drapability. Fibres are shortened through the use of laser cutting in a predetermined pattern intended to maintain alignment, and therefore mechanical properties, yet increase ductility at the working temperature. The increase in ductility allows the product to be more effectively optimised for specific forming techniques. Tensile tests were conducted on several specimens in order to understand the ductility enhancement offered by this process with different micro-perforation patterns over standard prepregs. Furthermore, the effects of forming temperature was also analysed to assess the applicability of this material to hot draping techniques and other heated processes.
Original languageEnglish
Pages (from-to)195-211
Number of pages17
JournalApplied Composite Materials
Volume20
Issue number2
Early online date26 Apr 2012
DOIs
Publication statusPublished - Apr 2013

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