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 Mixed mode I + II interlaminar fracture of glass/epoxy multidirectional laminates - Part 2: Experiments
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5152

title: Mixed mode I + II interlaminar fracture of glass/epoxy multidirectional laminates - Part 2: Experiments
authors: Pereira, A. B.
Morais, A. B. de
keywords: Polymer-matrix composites (PMCs)
Fracture toughness
Delamination
issue date: 2006
publisher: Elsevier
abstract: Mixed-mode bending (MMB) tests were performed on glass/epoxy multidirectional specimens with delaminations in 0/theta and theta/-theta type interfaces. The initiation mode I and mode II strain energy release rates (G(I) and G(II)) were obtained from the modified beam theory (MBT) data reduction scheme presented in part 1. Measured compliances agreed well with MBT predictions. Critical energy release rate G, versus G(II)/G fracture loci were built with results of MMB, double cantilever beam (DCB) and end notched flexure (ENF) tests. In spite of some discrepancies, fracture loci appeared to be linear. G(c) values increased moderately with theta for both 0/theta and theta/-theta interfaces.
URI: http://hdl.handle.net/10773/5152
ISSN: 0266-3538
publisher version/DOI: http://dx.doi.org/10.1016/j.compscitech.2006.04.008
source: Composites Science and Technology
appears in collectionsMEC - Artigos

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