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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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Belrhiti, Younès
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2018Detection of cracks in refractory materials by an enhanced digital image correlation techniquecitations
- 2017Improvement of Digital Image Correlation for the analysis of the fracture behaviour of Refractories
- 2016Refinement of digital image correlation technique to investigate the fracture behaviour of refractory materialscitations
- 2015Strain fields measurements to study the nonlinear mechanical behaviour of refractory materials ; Etude de matériaux réfractaires à comportement mécanique non linéaire par mesure de champs de déformations
- 2015Strain fields measurements to study the nonlinear mechanical behaviour of refractory materials
- 2015Investigation of the impact of micro-cracks on fracture behavior of magnesia products using wedge splitting test and digital image correlationcitations
- 2014Characterization of the Mechanical Behavior of Magnesia Spinel Refractories Using Image Correlationcitations
- 2013The mechanical fracture characterization of non-linear flexible ceramics using digital image correlation
- 2012Application of optical methods to investigate the non-linear asymmetric behavior of ceramics exhibiting large strain to rupture by four-points bending testcitations
- 2012Application of optical methods to investigate the non-linear asymmetric behavior of ceramics exhibiting large strain to rupture by four-points bending testcitations
Places of action
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article
Investigation of the impact of micro-cracks on fracture behavior of magnesia products using wedge splitting test and digital image correlation
Abstract
International audience ; For refractory materials, a large strain behavior before failure is desired to improve their thermal shock resistance during their service life inindustry. Their microstructure (micro-cracked) induces a non-linear mechanical behavior.The present paper aims at applying digital image correlation (DIC) during wedge splitting test on magnesia spinel sample and comparing it topure magnesia sample so as to study the influence of spinel addition on fracture behavior. From strain measurements based on DIC, the initiationand the propagation of the macro-crack are investigated and the development of micro-cracks network in the case of magnesia spinel which isbehind crack branching phenomenon is analyzed. The evolution of the fracture energy required in crack propagation is studied for each material.The experimental results highlight also their mechanical properties dependent on their microstructure.