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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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Lube, Tanja
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2023Stereolithographic 3D Printing of Ceramics: Challenges and Opportunities for Structural Integritycitations
- 2020Strength of additive manufactured aluminacitations
- 2019Single Edge Precrack V-Notched Beam (SEPVNB) Fracture Toughness Testing on Silicon Nitridecitations
- 2019Fatigue behaviour of WC-Co hard metal under stress ratio and effectively loaded volume relevant to metalworking tool failurecitations
- 2018Fracture toughness testing of biomedical ceramic-based materials using beams, plates and discscitations
- 2010Optimal strength and fracture toughness of damage tolerant multilayer ceramics
- 2004Delayed failure behaviour of the ESIS silicon nitride reference material at 1200 °C in aircitations
- 2003The ESIS silicon nitride reference material testing program
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article
Fracture toughness testing of biomedical ceramic-based materials using beams, plates and discs
Abstract
<p>The testing of fracture toughness becomes problematic when only limited amount of material is available that hinders the production of typical beam specimens to be tested in bending. Here we explore fracture toughness testing methodologies that allow for small discs and plates having surface cracks to be tested in biaxial flexure using the Ball-on-3-balls (B3B) set-up, or sawed notches as in the Compact Tension geometry. The B3B-K<sub>Ic</sub> test has shown to be versatile and account for a very small overestimation of the K<sub>Ic</sub>-value in the order of 0.8–1.25% due to in-plane crack mispositioning, and a maximum of 4% if a worst-case scenario of additional out-of-plane mispositioning is assumed. The geometrical factor in the standard SCF method, derived by Newman and Raju, resulted in an overestimation of ∼8% of the K<sub>Ic</sub>-value compared to the new calculation by Strobl et al. for materials with Poisson's ratio <0.3.</p>