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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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De Villoria, Roberto Guzman
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2012Nanocomposite Flexible Pressure Sensor for Biomedical Applicationscitations
- 2012Flexible Pressure Sensors: Modeling and Experimental Characterizationcitations
- 2012Aligned Carbon Nanotube Reinforcement of Aerospace Carbon Fiber Composites: Substructural Strength Evaluation for Aerostructure Applications
- 2011Multi-physics damage sensing in nano-engineered structural compositescitations
- 2011Continuous Growth of Vertically Aligned Carbon Nanotubes
- 2011Continuous Growth of Vertically Aligned Carbon Nanotubes Forests
- 2011Carbon Nanotube (CNT) Enhancements for Aerosurface State Awareness
- 2010Tomographic Electrical Resistance-based Damage Sensing in Nano-Engineered Composite Structures
- 2010Thermal and Electrical Transport in Hybrid Woven Composites Reinforced with Aligned Carbon Nanotubes
- 2009Load Transfer Analysis in Short Carbon Fibers with Radially-Aligned Carbon Nanotubes Embedded in a Polymer Matrix
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article
Aligned Carbon Nanotube Reinforcement of Aerospace Carbon Fiber Composites: Substructural Strength Evaluation for Aerostructure Applications
Abstract
Vertically aligned carbon nanotubes (VACNTs) are placed between all plies in an aerospace carbon fiber reinforced plastic laminate (unidirectional plies, [(0/90/±45)2]s) to reinforce the interlaminar region in the z-direction. Significant improvement in Mode I and II interlaminar toughness have been observed previously. In this work, several substructural in-plane strength tests relevant to aerostructures were undertaken: bolt/tension-bearing, open hole compression, and L-shape laminate bending. Improvements are observed for the nanostitched samples: critical bearing strength by 30%, open-hole compression ultimate strength by 10%, and L-shape laminate energy (via increased deflection) of 40%. The mechanism of reinforcement is not compliant interlayer creation, but rather is a fiberstitching mechanism, as no increase in interlayer thickness occurs with the nanostitches. Unlike traditional (large-fiber/tow/pin) stitching or z-pinning techniques that damage inplane fibers and reduce laminate in-plane strengths, the nano-scale CNT-based ‘stitches’ improve in-plane strength, demonstrating the potential of such an architecture for aerospace structural applications. The quality of VACNT transfer to the prepreg laminates has not been optimized and therefore the noted enhancement to strength may be considered conservative. Ongoing work has been undertaken to both improve VACNT transfer and expand the data set. ; https://www.aiaa.org/ProceedingsDetail.aspx?id=5776 ; Massachusetts Institute of Technology (Nano-Engineered Composite aerospace STructures (NECST) Consortium)