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Title: Interlaminar fracture of multidirectional glass/epoxy laminates under mixed-mode I + II loading
Author: Morais, A.B. de
Pereira, A.B.
Keywords: Delamination
Mixed-mode bending
Finite-element analysis
Beam theory model
Fracture loci
Issue Date: 2007
Publisher: Springer Verlag
Abstract: The mixed-mode I + II interlaminar fracture of multidirectional glass/epoxy laminates is investigated. Mixed-mode bending (MMB) tests were performed on specimens with delaminations in 0/theta-type interfaces, with theta varying from 0 to 90 degrees. Preliminary three-dimensional finite-element analyses validated the beam theory model (BTM) used for analysing experimental data. The compliances measured are in a good agreement with BTM predictions. The total critical energy release rate GC varies linearly with the mode II ratio G(II)/G, although some discrepancies are observed in the high-mode II results for the 0/45 and 0/90 specimens.
Peer review: yes
DOI: 10.1007/s11029-007-0023-1
ISSN: 0191-5665
Appears in Collections:DEM - Artigos

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