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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
Places of action
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article
Effect of printing parameters on interlayer bond strength of 3D printed limestone-calcined clay-based cementitious materials
Abstract
<p>For a single batch material, time intervals and nozzle standoff distances between two subsequent layers are two critical printing parameters that influence the mechanical performance of the printed concrete. This paper presents an experimental and numerical study to investigate the impacts of these printing parameters on the interlayer bond strength of the 3D printed limestone and calcined clay-based cementitious materials. All samples were manufactured by a lab-scale 3D printer equipped with a hybrid back- and down-flow nozzle (rectangular opening). The uniaxial tensile test was employed to quantify the interface adhesion of printed specimens. Moreover, the greyscale value image of microstructure, as well as the air void content and distribution of the printed specimens were acquired by X-ray computed tomography and characterized by image analysis. The experimental results showed that extending the time interval between construction of two layers could decrease the bond strength, whereas only increasing the nozzle standoff distance exhibited limited effects on that. The weak bond strength could be attributed to the high local porosity at the interface of the specimen. Additionally, numerical simulations of the uniaxial tensile test were conducted using a 2D lattice fracture model, which can predict the bond strength of printed specimens for different void content in the interface layer.</p>