693.932 PEOPLE
| People | Locations | Statistics |
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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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Thomsen, Ole Thybo
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (60/60 displayed)
- 2023Recycling end-of-life sails by carbon fibre reclamation and composite remanufacture using the HiPerDiF fibre alignment technologycitations
- 2023Predicting the effect of lightning strike damage on the structural response of CFRP wind blade sparcap laminatescitations
- 2023Adhesively bonded joint shear test characterization using a modified arcan fixture
- 2023Recycling of carbon fibre reinforced polymer composites with superheated steam – A reviewcitations
- 2023Identification of Subsurface Damage in Multidirectional Composite Laminates Using Full-Field Imagingcitations
- 2023Lay-up effect on the open-hole shear strength of composite laminatescitations
- 2021Modelling damage in multidirectional laminates subjected to multi-axial loadingcitations
- 2020Ply thickness and fibre orientation effects in multidirectional composite laminates subjected to combined tension/compression and shearcitations
- 2019Damage in CFRP composites subjected to simulated lighting strikes - Assessment of thermal and mechanical responsescitations
- 2019A simple nonlinear constitutive model based on non-associative plasticity for UD compositescitations
- 2019Failure prediction and optimal selection of adhesives for glass/steel adhesive jointscitations
- 2019Interfacial crack arrest in sandwich beams subjected to fatigue loading using a novel crack arresting device – numerical modellingcitations
- 2018A damage-based model for mixed-mode crack propagation in composite laminatescitations
- 2018Delamination prediction on CFRP materials subjected to a lightning strike
- 2018Identification of lightning strike damage using Pulse Thermography through integration of thermal data
- 2018Damage in CFRP composites subjected to simulated lighting strike
- 2018Damage in CFRP composites subjected to simulated lighting strike
- 2017Fatigue damage evolution in GFRP laminates with constrained off-axis pliescitations
- 2017The Influence of Graphene Oxide on the electrical conduction in unidirectional CFRP laminates for wind turbine blade applications
- 2017Reshaping the testing pyramid
- 2017A stochastic multiaxial fatigue model for off-axis cracking in FRP laminatescitations
- 2017Heat response of unipolar lightning impulse and DC current component conducted through CFRP samples used for wind turbine sparcaps
- 2017Novel crack stopper concept for lightweight foam cored sandwich structures - Experimental validation, fe-modelling and potential for use in structures
- 2017Lightning protection of CFRP wind turbine blades - What is the dominant cause of failure: Specific energy or charge?
- 2017Reducing the electrical anisotropy in unidirectional CFRP materials for wind turbine blade applications
- 2016Automated counting of off-axis tunnelling cracks using digital image processingcitations
- 2016Novel Crack Stopper Concept for Lightweight Foam Cored Sandwich Structures – Experimental Validation, Fe-Modelling and Potential for Use in Structures
- 2016Novel crack stopper concepts for lightweight foam cored sandwich structures - Performance under static and fatigue loads, FE-modelling and potential for use in real structures
- 2016A methodology for characterizing the interfacial fracture toughness of sandwich structures using high speed infrared thermographycitations
- 2015Fracture behaviour at tri-material junctions of crack stoppers in sandwich structurescitations
- 2015Influence of thermomechanical interaction effects on the failure behaviour of polymer foam cored sandwich panelscitations
- 2015The effect of temperature on the failure modes of polymer foam cored sandwich structurescitations
- 2015Vibration of thin-walled laminated composite beams having open and closed sectionscitations
- 2014Effect of Polymer Form and its Consolidation on Mechanical Properties and Quality of Glass/PBT Compositescitations
- 2014A comparison of gel point for a glass/epoxy composite and a neat epoxy material during isothermal curingcitations
- 2014Development of a High-fidelity Experimental Substructure Test Rig for Grid-scored Sandwich Panels in Wind Turbine Bladescitations
- 2014High-fidelity multiaxial testing of composite substructures
- 2013Interlaminar/interfiber Failure of Unidirectional GFRP used for Wind Turbine Blades
- 2013Evaluation of the anisotropic mechanical properties of reinforced polyurethane foamscitations
- 2013Asymptotic Sampling for reliability analysis of adhesive bonded stepped lap composite jointscitations
- 2013Characterization of Compressive Properties of Polymer Foam Materials Using DIC and a Modified Arcan Fixture
- 2012Determination of mechanical properties of PVC foam using a modified Arcan fixture
- 2012Determination of mechanical properties of PVC foam using a modified Arcan fixturecitations
- 2012Fatigue Failure of Sandwich Beams with Wrinkle Defects Used for Wind Turbine Blades
- 2012Investigation of failure mechanisms in GFRP sandwich structures with face sheet wrinkle defects used for wind turbine bladescitations
- 2012A high-order theory for the analysis of circular cylindrical composite sandwich shells with transversely compliant core subjected to external loadscitations
- 2012Assessment of Interlaminar/Interfiber Failure of UD GRFP for Wind Turbine Blades
- 2012Reliability analysis of adhesive bonded scarf jointscitations
- 2012Reliability Analysis of Adhesive Bonded Scarf Jointscitations
- 2011Bidirectional Thermo-Mechanical Properties of Foam Core Materials Using DICcitations
- 2011Mechanical Characterization of PVC Foam Using Digital Image Correlation and Nonlinear FE Analysis
- 2011Nonlinear Thermo-mechanical Finite Element Analysis of Polymer Foam Cored Sandwich Structures including Geometrical and Material Nonlinearity
- 2011Measurement of Mechanical Properties of PVC Foam Using a Modified Arcan Fixture
- 2011Influence of material non-linearity on the thermo-mechanical response of polymer foam cored sandwich structures - FE modelling and preliminary experiemntal results
- 2010Derivation of temperature dependent material properties of polymer foam core materials using optical extensometry
- 2010Thermomechanical interaction effects in composite sandwich structures ? initial experimental analysis and derivation of mechanical properties
- 2010Thermo-mechanical interaction effects in foam cored sandwich panels-correlation between High-order models and Finite element analysis results
- 2010Through thickness stress distributions in pultruded GRP materials
- 2007New Knowledge on Composite and Sandwich Structures
- 2007Thermoelastic stress analysis of sandwich structures with core junctions
Places of action
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article
Fracture behaviour at tri-material junctions of crack stoppers in sandwich structures
Abstract
Inspired by a previously published peel stopper design for foam cored composite sandwich structures, three novel markedly lighter peel stoppers were evaluated with respect to their ability to deflect and arrest propagating face debond cracks. Of the three novel peel stopper configurations, C1, C2 and C3, C1 was similar to the previous design, whereas C2 and C3 were modified with layers of glass fibre fabric extending from the peel stopper tip into the face sheet (C2) or into the face sheet/core interface (C3). The previous peel stopper was validated under mode II dominated conditions, but the novel designs were investigated under mode I dominated crack propagation conditions, which are of higher practical relevance. Both quasi-static and fatigue loading scenarios were investigated. The mechanisms controlling crack propagation at the internal peel stopper tip were studied using Thermoelastic Stress analysis (TSA) and Finite Element (FE) analysis. The TSA has revealed significant new information about the local stress fields in the vicinity of the tri-material junction (peel stopper tip) as well as the fracture process zone. Configuration C1 was unable to deflect debond cracks consistently, albeit it did so in most cases, whereas it was incapable of achieving crack arrest. C2 and C3 both performed better in that they consistently demonstrated the ability to deflect propagating cracks, whereas only C2 could arrest the cracks consistently as well. Detailed fracture mechanics analyses confirmed and explained the experimental observations.