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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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Williams, Hugo R.
University of Birmingham
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2021Manufacture of Porous Frit Vents Using Space Holder Methodology for Radioisotopic Space Power Systemscitations
- 2017Sintering trials of analogues of americium oxides for radioisotope power systemscitations
- 2016Aeroshell re-entry and material testing for the european space nuclear power program
- 2015Spark plasma sintered bismuth telluride-based thermoelectric materials incorporating dispersed boron carbidecitations
- 2008Bioinspired self-healing of advanced composite materials
- 2008Self-healing sandwich panels: restoration of compressive strength after impact ; Self-healing sandwich panels:restoration of compressive strength after impactcitations
- 2007Self-healing composite sandwich structurescitations
Places of action
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article
Self-healing composite sandwich structures
Abstract
Impact damage can degrade the flexural strength of composite sandwich structures by over 50% due to a loss of skin support inducing localized skin buckling. Various self-healing methodologies have been applied to laminated composites but the concept of delivering a healing agent from a remote reservoir to a region of damage via a vascular network offers the potential for a robust and replenishable system housed in the core of a sandwich structure. In this pilot study a vascular sandwich structure that appears as a conventional sandwich composite has been developed and tested. The network has been shown to have negligible influence on the innate static mechanical properties of the host panel. Infiltration of the vascular network with a pre-mixed epoxy resin system after impact damage demonstrated a complete recovery of flexural failure mode and load. Infiltration with the same resin system from separate unmixed networks, where self-healing is initiated autonomously via mixing within the damage, has also been shown to fully recover undamaged failure load when both networks are successfully breached. © IOP Publishing Ltd.