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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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Chen, Yu
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024Scanning tunneling microscopy and x-ray photoemission studies of NdNiO 2 infinite-layer nickelates filmscitations
- 2023Rapid laser-induced low temperature crystallization of thermochromic VO2 sol-gel thin filmscitations
- 2021Mechanical, magnetic and magnetostrictive properties of porous Fe-Ga films prepared by electrodepositioncitations
- 2020Combining mechanistic and machine learning models for predictive engineering and optimization of tryptophan metabolismcitations
- 2020Improving printability of limestone-calcined clay-based cementitious materials by using viscosity-modifying admixturecitations
- 2020Improving printability of limestone-calcined clay-based cementitious materials by using viscosity-modifying admixturecitations
- 2020Effect of printing parameters on interlayer bond strength of 3D printed limestone-calcined clay-based cementitious materialscitations
- 2020Micro-cantilever testing on the short-term creep behaviour of cement paste at micro-scalecitations
- 2019Feasibility of Using Low CO2 Concrete Alternatives in Extrusion-Based 3D Concrete Printingcitations
- 2019The Effect of Viscosity-Modifying Admixture on the Extrudability of Limestone and Calcined Clay-Based Cementitious Material for Extrusion-Based 3D Concrete Printingcitations
- 2016LIFT of high viscosity silver paste for new metallization methods in photovoltaic and flexible electronics industrycitations
- 2016Prototyping and testing of composite riser joints for deepwater application
- 2015Concentrating Genomic Length DNA in a Microfabricated Arraycitations
- 2014Laser induced forward transfer of silver pastes for printing of fingers in c-si cells.
- 2013Experimental and numerical study of cw green laser crystallization of a-Si:H thin films
- 2013Moisture Effects on Cellulose Fiber Reinforced Concrete Propertiescitations
- 2012Planar Superconducting Resonators with Internal Quality Factors above One Millioncitations
- 2012Cellulose Fiber Reinforced Concrete Fracture Mechanisms and Damage Detection Using Acoustic Emissioncitations
- 2002HREELS studies of gold nanoparticles with dialkyl sulphide ligandscitations
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article
The Effect of Viscosity-Modifying Admixture on the Extrudability of Limestone and Calcined Clay-Based Cementitious Material for Extrusion-Based 3D Concrete Printing
Abstract
To investigate the effects of viscosity-modifying admixture (VMA) on the extrudability of limestone and calcined clay-based cementitious materials, three mix designs with different dosages of VMA were proposed in this study. The ram extrusion was utilized as an extrusion model for exploring the fresh properties of printable materials. Two methods were used, based on the ram extruder setup—(a) extruding materials with the same extrusion speed at different rest times to determine how the pressure changes with time; (b) extruding materials with different extrusion speeds at the same rest time to investigate the material flow parameters using the Basterfield et al. model. The main findings of this study could be summarized as—(1) the extrusion pressure of all mix designs exhibited an increasing trend with time. At the same tested age, the extrusion pressure under 0.25 mm/s of piston speed was increased and the shape retention of the extruded filaments was enhanced by increasing the dosage of VMA; (2) the correlation between the experimental results and the Basterfield et al. model was excellent (R-squared value: 0.99). The mixture with a higher content of VMA showed an increased elongational yield stress, flow consistency, and shear yield stress.