| People | Locations | Statistics |
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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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Nguyen, Hoang
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024A critical review of magnesium silicate hydrate (M-S-H) phases for binder applicationscitations
- 2024Characterization of hydrated magnesium carbonate materials with synchrotron radiation-based scanning transmission X-ray spectromicroscopy
- 2023Cementitious phase quantification using deep learningcitations
- 2023Potato virus A particles – A versatile material for self-assembled nanopatterned surfacescitations
- 2023Thermodynamics of calcined clays used in cementitious binderscitations
- 2023Thermodynamics of calcined clays used in cementitious binders:origin to service life considerationscitations
- 2023MgO‐based cements – Current status and opportunitiescitations
- 2023Improving the electrical performance of Lithium-ion battery using SilicaCarbon anode through technique
- 2022Prediction of shear capacity of steel channel sections using machine learning algorithmscitations
- 2022Prediction of shear capacity of steel channel sections using machine learning algorithmscitations
- 2022Extract antibody and antigen names from biomedical literaturecitations
- 2021Phase evolution and mechanical performance of an ettringite-based binder during hydrothermal agingcitations
Places of action
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article
Phase evolution and mechanical performance of an ettringite-based binder during hydrothermal aging
Abstract
ittle is known about the performance of ettringite-based binders in hydrothermal conditions. This investigation aims to gain insights into the phase evolution and corresponding mechanical performance of an ettringite-based binder considering crystallization pressure caused by late-reaction products. Additionally, the role of fiber reinforcement on the strength retention of the binder was investigated. When aged at an elevated temperature under water-saturated conditions, hard-burned MgO hydrated to form brucite. The precipitation and growth of the brucite crystals led to a crystallization pressure of approximately 200 MPa calculated using thermodynamic modelling. Damage was observed after 4 months of aging with cracks in the microstructure and eventually a failure at the macro scale. Ettringite remained stable at 60 °C due to the water-saturated conditions. Polypropylene fiber delayed crack propagation and thus reduced the damage caused by crystallization pressure. The fiber improved the flexural performance of composite attaining deflection-hardening behavior regardless of aging conditions.