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| Naji, M. |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ali, M. A. |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Kashtalyan, Maria
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Topics
Publications (12/12 displayed)
- 2018Hashin’s bounds for elastic properties of particle-reinforced composites with graded interphasecitations
- 2016Transverse cracking in metal/ceramic composites with lamellar microstructurecitations
- 2014Analysis of bolted flanged panel joint for GRP sectional tankscitations
- 2011Residual stiffness of cracked cross-ply composite laminates under multi-axial in-plane loadingcitations
- 2007Stiffness and fracture analysis of laminated composites with off-axis ply matrix crackingcitations
- 2007Elastodynamics of interface cracks in laminated composites
- 2006Modelling off-axis ply matrix cracking in continuous fibre-reinforced polymer matrix composite laminatescitations
- 2005Analysis of composite laminates with intra- and interlaminar damagecitations
- 2002Modeling Multilayer Damage in Composite Laminates Under Static and Fatigue Loading
- 2002Analysis of local delaminations in composite laminates with angle-ply matrix crackscitations
- 2001Strain energy release rate for off-axis ply cracking in laminated composites
- 2000Analysis of fatigue damage mechanisms and residual properties of polymer matrix composites
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article
Stiffness and fracture analysis of laminated composites with off-axis ply matrix cracking
Abstract
Matrix cracks parallel to the fibres in the off-axis plies is the first intralaminar damage mode observed in laminated composites subjected to static or fatigue in-plane tensile loading. They reduce laminate stiffness and strength and trigger development of other damage modes, such as delaminations. This paper is concerned with theoretical modelling of unbalanced symmetric laminates with off-axis ply cracks. Closed-form analytical expressions are derived for Mode I, Mode II and the total strain energy release rates associated with off-axis ply cracking in [0/θ]s laminates. Stiffness reduction due to matrix cracking is also predicted analytically using the Equivalent Constraint Model (ECM) of the damaged laminate. Dependence of the degraded stiffness properties and strain energy release rates on the crack density and ply orientation angle is examined for glass/epoxy and carbon/epoxy laminates. Suitability of a mixed mode fracture criterion to predict the cracking onset strain is also discussed. © 2006 Elsevier Ltd. All rights reserved.