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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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Pascoe, John-Alan
Delft University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Planar delamination behaviour of CFRP panels under quasi-static out-of-plane loadingcitations
- 2024Interlaminar fracture behaviour of emerging laminated-pultruded CFRP plates for wind turbine bladescitations
- 2024Planar Delamination Growth Of Composite Laminates Under Mode II Fatigue Loading
- 2024Interlaminar Fracture Behaviour Of Emerging Laminated-Pultruded Cfrp Plates For Wind Turbine Blades Under Different Loading Modes
- 2023Towards understanding residual strength and damage evolution in damaged composite laminates
- 2023In-service delaminations in FRP structures under operational loading conditions: Are current fracture testing and analysis on coupons sufficient for capturing the essential effects for reliable predictions?citations
- 2023Investigation of compression after impact failure in carbon fiber reinforced polymers using acoustic emissioncitations
- 2023Experimental investigation of planar delamination behaviour of composite laminates under Out-Of-Plane loading
- 2023Compression after impact fatigue damage growth in CFRP – what does no-growth really mean?
- 2021Experimental and numerical investigation of ply size effects of steel foil reinforced compositescitations
- 2020The effect of bond-line thickness on fatigue crack growth rate in adhesively bonded jointscitations
- 2020Example analysis input files for CZM analysis of delamination growth in a DCB specimens
- 2018Cyclic fatigue fracture of compositescitations
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article
Investigation of compression after impact failure in carbon fiber reinforced polymers using acoustic emission
Abstract
Although several studies have been performed, the compression after impact (CAI) failure of CFRP is still not entirely understood. It is still unclear what sequence of events determines the onset of failure in CAI tests and how the different damage modes are involved in this process. To experimentally investigate this matter, the present work relies on acoustic emission (AE) monitoring and advanced acoustic signal analysis. A series of preliminary tests was conducted to correlate damage modes with recorded acoustic waveforms. Four types of waveforms were separated and associated to different damage modes. Following the preliminary tests, AE was monitored in actual CAI tests. A damage accumulation study was conducted combining three indicators, namely wavelet packet components, sentry function and energy b-value. The results evidence different phases in the damage accumulation process that were not shown in previous literature. In all specimens, the onset of the unstable damage accumulation appeared to be triggered by an intermediate frequency acoustic event associated to a combination of matrix cracking and fiber-matrix debonding, occurring at 80% of failure displacement. ; Structural Integrity & Composites