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 Mixed-mode I + III interlaminar fracture of carbon/epoxy laminates
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5847

title: Mixed-mode I + III interlaminar fracture of carbon/epoxy laminates
authors: Pereira, A. B.
Morais, A. B. de
keywords: Polymer-matrix composites (PMCs)
Fracture toughness
Delamination
Finite element analysis (FEA)
Mixed mode
issue date: 2009
publisher: Elsevier
abstract: A new test was developed for measuring the mixed mode I + III interlaminar fracture toughness. The specimen adopted was an 8-point bending plate (8PBP) with a cross-ply lay-up and a mid-thickness edge pre-delamination at the standard 0/0 interface. Finite element analyses (FEA) showed that a wide range of mode mix ratios can be achieved by varying the load point displacements imposed. However, the need of FEA based experimental data reduction and of a relatively complicated fixture are important drawbacks of test developed. Nevertheless, results for carbon/epoxy laminates showed a realistic evolution of initiation Gc values with the GIII/G mode mix ratio.
URI: http://hdl.handle.net/10773/5847
ISSN: 1359-835X
publisher version/DOI: http://dx.doi.org/10.1016/j.compositesa.2009.02.003
source: Composites Part A: Applied Science and Manufacturing
appears in collectionsMEC - Artigos

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