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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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Liebscher, Marco
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2024A hierarchically modified fibre-reinforced polymer composite laminate with graphene nanotube coatings operating as an efficient thermoelectric generatorcitations
- 2024Employing limestone and calcined clay for preserving the strain-hardening response of PET fiber-reinforced cementitious compositescitations
- 2023Moisture and frequency dependent conductivity as an obstacle to determining electrical percolation thresholds of cementitious nanocomposites made with carbon nanotubescitations
- 2023Effect of surface profiling on the mechanical properties and bond behaviour of mineral-impregnated, carbon-fibre (MCF) reinforcement based on geopolymercitations
- 2023Mineral-impregnated carbon-fiber based reinforcing grids as thermal energy harvesters: A proof-of-concept study towards multifunctional building materialscitations
- 2023Hierarchical CNT-coated basalt fiber yarns as smart and ultrasensitive reinforcements of cementitious matrices for crack detection and structural health monitoringcitations
- 2023Recycled carbon fibers in cement-based composites: Influence of epoxide matrix depolymerization degree on interfacial interactionscitations
- 2022Influence of processing conditions on the mechanical behavior of mineral-impregnated carbon-fiber (MCF) made with geopolymercitations
- 2022An experimental-analytical scale-linking study on the crack-bridging mechanisms in different types of SHCC in dependence on fiber orientationcitations
- 2022Joule heating as a smart approach in enhancing early strength development of mineral-impregnated carbon-fibre composites (MCF) made with geopolymercitations
- 2021On the use of limestone calcined clay cement (LC<sup>3</sup>) in high-strength strain-hardening cement-based composites (HS-SHCC)citations
- 2021Role of sizing agent on the microstructure morphology and mechanical properties of mineral-impregnated carbon-fiber (MCF) reinforcement made with geopolymerscitations
- 2021Joule heating as a smart approach in enhancing early strength development of mineral-impregnated carbon-fibre composites (MCF) made with geopolymercitations
- 2021Thermoelectric energy harvesting from single-walled carbon nanotube alkali-activated nanocomposites produced from industrial waste materialscitations
- 2021Influence of fiber type on the tensile behavior of high-strength strain-hardening cement-based composites (SHCC) at elevated temperaturescitations
- 2020Development and testing of fast curing, mineral-impregnated carbon fiber (MCF) reinforcements based on metakaolin-made geopolymerscitations
- 2020Electrical Joule heating of cementitious nanocomposites filled with multi-walled carbon nanotubescitations
- 2020Nitrogen-Doped Carbon Nanotube/Polypropylene Composites with Negative Seebeck Coefficient
- 2018All-aromatic SWCNT-Polyetherimide nanocomposites for thermal energy harvesting applicationscitations
- 2018Electrical and melt rheological characterization of PC and co‐continuous PC/SAN blends filled with CNTs: Relationship between melt‐mixing parameters, filler dispersion, and filler aspect ratiocitations
- 2017Effect of Graphite Nanoplate Morphology on the Dispersion and Physical Properties of Polycarbonate Based Compositescitations
- 2016CNT-grafted glass fibers as a smart tool for epoxy cure monitoring, UV-sensing and thermal energy harvesting in model compositescitations
- 2014Achieving electrical conductive tracks by laser treatment of non-conductive polypropylene/polycarbonate blends filled with MWCNTscitations
Places of action
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article
Joule heating as a smart approach in enhancing early strength development of mineral-impregnated carbon-fibre composites (MCF) made with geopolymer
Abstract
<p>The article at hand presents a novel approach to accelerating the early strength development of mineral-impregnated carbon-fibre composites (MCF) by electrical Joule heating. MCF were produced with a metakaolin-based geopolymer suspension and subsequently cured using Ohmic heating under systemically varied voltages and durations. The MCF produced were characterised in respect of their mechanical and morphological properties. Three-point-bending and uniaxial tension tests yielded significant enhancement of MCF mechanical properties due to curing within only a few hours. Thermogravimetric analysis (TGA), mercury intrusion porosimetry (MIP), environmental scanning electron microscope (ESEM) as well as micro-computed tomography (µCT) confirmed advanced geopolymerisation by the electrical heating process and a strong sensitivity to parameter selection. After only two hours of resistance heating MCF could demonstrate tensile strength of up to 2800 MPa, showing the great potential for applying the Joule effect as a possibility to enhance the strength development of geopolymer-based MCF. Moreover, the applied method offers a huge potential to manufacture automated fast out-of-oven cured MCF with a variety of shapes and dimensions.</p>