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Title: Mode II interlaminar fracture of glass/epoxy multidirectional laminates
Author: Pereira, A.B.
Morais, A.B. de
Keywords: Polymer-matrix composites
Fracture toughness
Finite Element Analysis
Issue Date: 2004
Publisher: Elsevier
Abstract: An experimental study was conducted on the mode II interlaminar fracture of woven fabric glass/epoxy multidirectional laminates. A preliminary Finite Element analysis was used to choose stacking sequences for End-Notched Flexure specimens with starter delaminations on theta/-theta and 0degrees/theta interfaces. The experimental G(IIc) values generally increased with the ply angle theta for both theta/-theta and 0degrees/theta specimens. These results were in agreement with the predictions of an average interlaminar stress fracture criterion. In contrast with previous studies on unidirectional laminates, G(IIc) values from a mode II precrack were significantly higher than those from the film, thus revealing a pronounced R-curve effect.
Peer review: yes
DOI: 10.1016/j.compositesa.2003.09.028
ISSN: 1359-835X
Appears in Collections:DEM - Artigos

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