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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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Luckabauer, Martin
University of Twente
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2025Simulating induction heating of fabric based thermoplastic composites using measured electrical conductivitiescitations
- 2024Post aging heat treatment effect on AA6060 produced by Friction Screw Extrusion Additive Manufacturing
- 2024The effect of the laser beam intensity profile in laser-based directed energy depositioncitations
- 2023Solid-State Additive Manufacturing of AA6060 Employing Friction Screw Extrusion Additive Manufacturingcitations
- 2023Melting-Free Metal Production: Solid-State Additive Manufacturing of an Al-Mg-Si Alloy Using FSEAM
- 2023The Influence of the Deposition Speed during Friction Screw Extrusion Additive Manufacturing of AA6060
- 2023Friction screw extrusion additive manufacturing of an Al-Mg-Si alloycitations
- 2023Determination of the anisotropic electrical conductivity of carbon fabric reinforced composites by the six-probe methodcitations
- 2023A Feasibility Study on Friction Screw Extrusion Additive Manufacturing of AA6060citations
- 2023Laser intensity profile as a means to steer microstructure of deposited tracks in Directed Energy Depositioncitations
- 2023Thermo-fluid modeling of influence of attenuated laser beam intensity profile on melt pool behavior in laser-assisted powder-based direct energy deposition
- 2022Thermo-fluidic behavior to solidification microstructure texture evolution during laser-assisted powder-based direct energy deposition
- 2022A feasibility study on friction screw extrusion additive manufacturing of AA6060
- 2020Evolution of microstructure and variations in mechanical properties accompanied with diffusionless isothermal ω transformation in β -titanium alloyscitations
- 2019Decreasing activation energy of fast relaxation processes in a metallic glass during agingcitations
- 2017In situ real-time monitoring of aging processes in an aluminum alloy by high-precision dilatometrycitations
- 2015Thermophysical properties of manganin (Cu86Mn12Ni2) in the solid and liquid statecitations
- 2014Specific volume study of a bulk metallic glass far below its calorimetrically determined glass transition temperaturecitations
- 2013Self- and solute diffusion, interdiffusion and thermal vacancies in the system iron-aluminiumcitations
Places of action
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article
Laser intensity profile as a means to steer microstructure of deposited tracks in Directed Energy Deposition
Abstract
<p>In Laser-based Directed Energy Deposition (L-DED) the laser-induced spatial and temporal thermal cycles strongly determine the microstructure of deposited layers. The effect of three different laser intensity profiles (beam shapes) on the shape of the melt pool and the resulting microstructure was studied. To this end, thermal gradients and growth rates, derived from measured melt pool emissions, are compared to characteristics of the microstructure in the deposited tracks. These characteristics are obtained using Electron Back Scatter Diffraction (EBSD). It was found that the shape of the laser beam strongly affects the melt pool morphology. Therefore it affects also the solidification characteristics and thus the resulting microstucture. Correlations are found between the thermal gradient - growth rate ratios and the grain shapes and amount of texture. Hence, the beam profile is a tool to steer the microstructure of deposited parts during L-DED.</p>