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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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Pavlíková, M.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (30/30 displayed)
- 2023Case study on MOC composites enriched by foamed glass and ground glass waste: Experimental assessment of material properties and performancecitations
- 2020Synthesis, structure, and thermal stability of magnesium oxychloride 5Mg(OH)2·MgCl2·8H2Ocitations
- 2020Towards novel building materials: High-strength nanocomposites based on graphene, graphite oxide and magnesium oxychloridecitations
- 2017Steel and PVA fibres reinforced UHPC exposed to high temperatures - analysis of residual properties
- 2015Characterization of the effect of wetting–drying cycles on the behaviour of hydrophilic additives in mineral woolcitations
- 2015Application of latent-heat-storage building envelope systems for increasing energy efficiency in the building sector
- 2015Experimental analysis of material properties of historical ceramic bricks and their potential current replacementscitations
- 2014Waste ceramics as supplementary cementitious material: characterization and utilizationcitations
- 2014The thermal and mechanical performance of cement-based composites with enhanced thermal insulation propertiescitations
- 2014Mechanical, hygric, and durability properties of cement mortar with mswi bottom ash as partial silica sand replacement,Właściwości oraz trwałość zapraw cementowych zawierających denny popiół ze spalania odpadów komunalnych, jako częściowy zamiennik piasku kwarcowego
- 2014Utilization of ceramic wastes as pozzolanic materials
- 2013Effective hygric and thermal parameters of historical masonry accessed on effective media theory principles
- 2013Municipal solid waste incineration fly ash as supplementary cementitious material
- 2012MSWI bottom ash as eco-aggregate in cement mortar designcitations
- 2011Computational modelling of coupled water and salt transport in porous materials using diffusion–advection modelcitations
- 2011Environmental friendly concrete production using municipal solid waste incineration materialscitations
- 2011Application of MSWI bottom ash as alternative aggregate in cement mortarcitations
- 2011Interface resistances in heat and moisture transport: semi-scale experimental analysiscitations
- 2011Application of effective media theory in the characterization of the hygrothermal performance of masonry
- 2010Use of municipal solid waste incineration waste materials as admixtures in concrete
- 2010Effect of metakaolin addition on the moisture and chloride transport and storage properties of high performance concrete
- 2010Analysis of chloride transport and storage properties of high performance concrete modified by fly ash addition as an effective tool for assessment of its durabilitycitations
- 2010Municipal solid waste incineration ashes and their potential for partial replacement of Portland cement and fi ne aggregates in concrete,Popioły ze spalania stałych odpadów miejskich jako zamiennik cementu portlandzkiego i kruszywa w betonach
- 2009Monitoring coupled moisture and salt transport using single vertical suction experimentcitations
- 2009Effect of metakaolin as partial Portland-cement replacement on properties of high performance mortars,Wpływ metakaolinitu, jako częściowego zamiennika cementu, na właściwości zapraw wysoko-wartościowych
- 2009Fly ash influence on the properties of high performance concrete,Wpływ popiołu lotnego na właściwości BWW
- 2008Effect of silicate protecting layers on cracked concrete,Krzemianowa powłoka ochronna na spękanej powierzchni betonu
- 2007Effect of silicate protecting layers on cracked concrete,Krzemianowa powłoka ochronna na spękanej powierzchni betonu
- 2007Determination of water and salt transport parameters of porous materials using methods of inverse modelling
- 2007Effect of metakaolin on chloride binding in lime-based compositescitations
Places of action
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article
Synthesis, structure, and thermal stability of magnesium oxychloride 5Mg(OH)2·MgCl2·8H2O
Abstract
Today, low-energy and low-carbon footprint alternatives to Portland cement are searched because of huge CO2 emissions coming from Portland clinker calcination. Because of some superior properties of magnesium oxychloride cement (MOC) and the lower carbon footprint of its production, MOC became an intensively studied material with high application potential for the design and development of construction products. In this contribution, magnesium oxychloride with stoichiometry 5Mg(OH)2·MgCl2·8H2O (Phase 5) was prepared and characterized. The kinetics of formation and the phase composition of the material were determined using X-ray diffraction and consequent Rietveld analysis. The morphology was studied by scanning electron microscopy, and the chemical composition was determined by both energy-dispersive spectroscopy and X-ray fluorescence. Moreover, the simultaneous thermal analysis in combination with mass spectroscopy and Fourier-transform infrared spectroscopy was employed to study the thermal stability. Using mass spectroscopy, we were able to clarify the mechanism of water and hydrochloric acid release, which was not previously reported. The observed structural and chemical changes induced by exposure of studied samples to elevated temperatures were linked with the measured residual macro and micro parameters, such as bulk density, specific density, porosity, water absorption, compressive strength, and pore size distribution. The Phase 5 revealed a needle-like crystalline morphology which formed rapidly and was almost completed after 96 h, resulting in relatively high material strength. The four-day compressive strength of magnesium oxychloride cement was similar to the 28-day compressive strength of Portland cement. The thermal stability of Phase 5 was low as the observed disruptive thermal processes were completed at temperatures lower than 470 °C. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.