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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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Zhang, T.
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Topics
Publications (15/15 displayed)
- 2024A Review of Ising Machines Implemented in Conventional and Emerging Technologiescitations
- 2022Heterostructured stainless steelcitations
- 2022Infrared organic photodetectors employing ultralow bandgap polymer and non-fullerene acceptors for biometric monitoringcitations
- 2022Infrared Organic Photodetectors Employing Ultralow Bandgap Polymer and Non-Fullerene Acceptors for Biometric Monitoringcitations
- 2021Ternary organic photodetectors based on pseudo-binaries nonfullerene-based acceptorscitations
- 2021Linking Glass‐Transition Behavior to Photophysical and Charge Transport Properties of High‐Mobility Conjugated Polymers
- 2020Linking Glass-Transition Behavior to Photophysical and Charge Transport Properties of High-Mobility Conjugated Polymers
- 2016Crack nucleation using combined crystal plasticity modelling, high-resolution digital image correlation and high-resolution electron backscatter diffraction in a superalloy containing non-metallic inclusions under fatiguecitations
- 2016Toughening of carbon fibre reinforced polymer composites with nano rubber for advanced industrial applicationscitations
- 2015Terahertz-infrared spectroscopy of overdoped manganites La.sub.1-x./sub.Ca.sub.x./sub.MnO.sub.3./subcitations
- 2015Improving the fracture toughness and the strength of epoxy using nanomaterials-a review of the current statuscitations
- 2012Modeling the mechanical properties of optimally processed cordierite-mullite-alumina ceramic foams by X-ray computed tomography and finite element analysiscitations
- 2011Context-aware scalable multimedia content delivery platform for heterogeneous mobile devices
- 2010Mechanical properties of rapidly solidified Fe-Al-B ternary alloyscitations
- 2004Block copolymers of vinyl ethers as thermo-responsive colloidal stabilizers of organic pigments in aqueous mediacitations
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article
Modeling the mechanical properties of optimally processed cordierite-mullite-alumina ceramic foams by X-ray computed tomography and finite element analysis
Abstract
Bulk and cellular cordierite ceramics were prepared from a non-stoichiometric powder consisting of corundum, talc (triclinic), α-quartz, K-feldspar, kaolinite, mullite and a small amount of a glass phase. The optimal sintering processing route was evaluated to obtain good mechanical properties. A high flexural strength of 120 MPa and a Young's modulus of 99 GPa were achieved. The ceramic foams were fabricated by impregnation of polymer preforms with the optimized stock suspension. The mechanical properties of ceramic foams were studied by impulse excitation and compression tests. The Gibson-Ashby model predicted the ceramic foam's effective modulus and its elastic limit strength well, as measured experimentally. In addition, the actual three-dimensional (3-D) structure obtained from X-ray computed tomography (CT) coupled with the finite element method (FEM) was used to calculate the Young's modulus and the elasticity limit of the ceramic foam; however, this did not produce aby better agreement between the calculated values and the experimental results. The discrepancy between the Gibson-Ashby model and FEM could probably be attributed to the accuracy and small volume of representative reconstructed 3-D cellular structure. Taking account of the effect of the internal hollow structure on the stress localization in the ceramic struts, the CT-FE modeling provides a good measure of the adaptability and predictability of actual ceramic foam structures for realistic damage modeling.