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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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Croxford, Anthony J.
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2021Developing a high-fidelity knowledge base for improvements in the nondestructive testing of advanced composite material productscitations
- 2020Data fusion of multi-view ultrasonic imaging for characterisation of large defectscitations
- 2020The influence of tensile stress on inductively coupled piezoceramic sensors embedded in fibre-reinforced plasticscitations
- 2016Health monitoring of composite structures throughout the life cycle
- 2016Monitoring cure and detecting damage in composites with embedded sensorscitations
- 2015Design, application and validation of embedded ultrasonic sensors within composite materialscitations
- 2015Design of an embedded sensor, for improved structural performancecitations
- 2013Investigation of Inductively Coupled Ultrasonic Transducer System for NDEcitations
- 2013Investigation of Capacitively Coupled Ultrasonic Transducer System for Nondestructive Evaluation
Places of action
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document
Design, application and validation of embedded ultrasonic sensors within composite materials
Abstract
The layer wise construction of laminated composites offers the potential to embed sensors within composite structures. One possible solution is the embedding of sensors that are inductively coupled to an external probe; which allows for the efficient contactless transfer of electrical signals to the sensor. Embedding sensors within structures is an attractive option, due to the physical protection offered to the sensor by the host structure. However, for embedding sensors to be viable, sensor integration must result in minimal degradation of the laminates mechanical performance. This work focuses on designing embedded inductively coupled sensors for structural performance. A suitable sensor coating for the sensor unit was identified using interlaminar shear strength testing. Sensors were then embedded into quasi-isotropic four-point bend flexural strength specimens, and different embedding strategies demonstrated. In addition to providing the sensor with physical protection, embedding sensors within a composite host offers the additional benefit of monitoring the curing process of the surrounding composite. A single inductively coupled sensor was embedded into a large glass fiber epoxy plate, and the measured guided wave pulse echo response used to monitor the curing process. This novel cure monitoring technique was then benchmarked against direct scanning calorimetry.