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Title: Mixed-mode I + III interlaminar fracture of carbon/epoxy laminates
Author: Pereira, A. B.
Morais, A. B. de
Keywords: Polymer-matrix composites (PMCs)
Fracture toughness
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.
Peer review: yes
DOI: 10.1016/j.compositesa.2009.02.003
ISSN: 1359-835X
Appears in Collections:DEM - Artigos

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