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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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Schlacher, Josef
Montanuniversität Leoben
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 20243D-printed alumina-based ceramics with spatially resolved porositycitations
- 2024Prediction of thermal shock induced cracking in multi-material ceramics using a stress-energy criterioncitations
- 2023Stereolithographic 3D Printing of Ceramics: Challenges and Opportunities for Structural Integritycitations
- 2023High-temperature fracture behaviour of layered alumina ceramics with textured microstructurecitations
- 2022Contact damage tolerance of alumina‐based layered ceramics with tailored microstructurescitations
- 2021Additive manufacturing of high-strength alumina through a multi-material approachcitations
- 2020Strength of additive manufactured aluminacitations
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article
High-temperature fracture behaviour of layered alumina ceramics with textured microstructure
Abstract
<p>Mimicking the damage tolerance of biological materials such as nacre has been realised in textured layered alumina ceramics, showing improved reliability as well as fracture resistance at room temperature. In this work, the fracture behaviour of alumina ceramics with textured microstructure and laminates with embedded textured layers are investigated under uniaxial bending tests at elevated temperatures (up to 1200 °C). At temperatures higher than 800 °C monolithic textured alumina favours crack deflection along the basal grain boundaries, corresponding to the transition from brittle to more ductile behaviour. In the case of laminates, the loss of compressive residual stresses is counterbalanced by the textured microstructure, effective up to 1200 °C. This study demonstrates the potential of tailoring microstructure and architecture in ceramics to enhance damage tolerance within a wide range of temperatures.</p>