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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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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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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Bangaru, Ashish Kumar
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2024Understanding Fatigue Delamination Crack Growth in a Wind Turbine Rotor Blade Through an Element Testing
- 2021Approach for analysing off-axis tunnelling cracks in biaxially loaded laminatescitations
- 2020Experimental Investigation of the Damage at the Tip of Tunnelling Crack in Glass Fibre Composites
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document
Experimental Investigation of the Damage at the Tip of Tunnelling Crack in Glass Fibre Composites
Abstract
The development of a distinct damage mode from the existing damage in composite laminates used in wind turbine blades is not fully understood; thus making it difficult to elucidate the event of chain of different failure mechanisms. In this paper, an experimental analysis was carried out on glass fibre composite laminate with the layup [0/60/0/-60]s subjected to cyclic loading in order to document the damage subsequent to early stage of intralaminar matrix cracks, also referred as tunnelling cracks in off-axis plies 60˚/-60˚. The staining method coupled with X-ray Computed Tomography (CT) scan allowed in visualizing tunnelling crack propagation into the pure matrix region of 0˚ UD ply locally sandwiched between thin (60˚) and thick (-60˚) plies after 30,000 cycles. While close to the edge, due to edge effect phenomenon the tunnelling crack from the backing bundles resulted in considerable fibre breaks in 0˚ UD bundles.