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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
Development and testing of fast curing, mineral-impregnated carbon fiber (MCF) reinforcements based on metakaolin-made geopolymers
Abstract
Mineralisch getränkte Carbonfasern (MCF) stellen eine vielversprechende Alternative zu herkömmlichen Stahlbewehrung in Beton dar. Für eine effiziente industrielle Herstellung von MCF muss eine ausreichende Verarbeitungszeit für die Imprägniersuspension gewährleistet sein. In der vorliegenden Untersuchung wurde zu diesem Zweck ein aus Metakaolin hergestelltes Geopolymer (GP) entwickelt und getestet. Die Tränkung von Carbonfasergarnen wurde kontinuierlich und automatisiert durchgeführt. Anschließend wurden die MCF bei 75 °C wärmebehandelt, um die Reaktionsprozesse zu beschleunigen. Die mechanische Leistung von MCF nahm im Verlauf des Aushärtungsprozesses von 2 auf 8 Stunden allmählich zu, was auf das größere Ausmaß der Geopolymerisation zurückzuführen ist. Bei einer solchen verlängerten Aushärtung zeigten thermogravimetrische und mikroskopische Analysen zwar eine stärkere 'reagierte' Mikrostruktur, aber auch einen höheren Gehalt an Hohlräumen. Nach 8-stündigen Erhitzen erreichten die Zugfestigkeit und der Young-Modul von MCF 2960 MPa bzw. 259 GPa, bezogen auf die Garnquerschnittsfläche.:Abstract Schlagwörter 1. Einleitung 2. Experimentelles Programm 2.1. Materialien 2.2. Herstellung von MCF 2.3. Testen der Geopolymermatrix 2.4. Mechanische Prüfung von MCF 2.5. Morphologische Charakterisierung 3. Ergebnisse und Diskussion 3.1. Charakterisierung der Geopolymermatrix 3.2. Hergestellte MCF mit Geopolymer und Wärmebehandlung bei 75 °C. 3.3. Chemische und morphologische Analyse 4. Schlussfolgerung Erklärung des konkurrierenden Interesses Literaturen ; Mineral-impregnated, carbon fiber composites (MCF) are a promising alternative to conventional concrete reinforcements. For the efficient industrial production of MCF, sufficient processing time for the impregnation suspension must be ensured. In the present investigation, a metakaolin-made geopolymer (GP) has been developed and tested for this purpose. The impregnation of carbon-fiber yarns was performed continuously and automated. Subsequently, the MCF were heat-treated ...