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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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Yasa, Evren
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2024Understanding process parameter-induced variability for tailoring precipitation behavior, grain structure, and mechanical properties of Al-Mg-Si-Mn alloy during solid-state additive manufacturingcitations
- 2024Cleaning and coating procedures determine biological properties of gyroid porous titanium implants
- 2024Systematic review on additive friction stir deposition: materials, processes, monitoring and modellingcitations
- 2024Choosing between commercially pure titanium and Ti-6Al-4V gyroid structures for orthopedic applications:an analysis through Timoshenko beam theory, the Gibson-Ashby model and experimental methodscitations
- 2024Characterisation of materials properties and defects in structure fabricated via additive friction stir deposition
- 2024Choosing between commercially pure titanium and Ti-6Al-4V gyroid structures for orthopedic applicationscitations
- 2023Thin-Walled Commercially Pure Titanium Structures: Laser Powder Bed Fusion Process Parameter Optimizationcitations
- 2021The Laser Powder Bed Fusion Process Development of 17-4 PH Stainless Steels with Pulsed-Wave Lasers
- 2021Parametric simulations for residual stresses and distortions of inconel 625 fabricated by laser powder bed fusion additive manufacturing
- 2019Dimensional Accuracy and Mechanical Properties of Chopped Carbon Reinforced Polymers Produced by Material Extrusion Additive Manufacturingcitations
- 2018Additive Manufacturing of Polymer Matrix Compositescitations
- 2012Investigation on the inclusions in maraging steel produced by selective laser melting
- 2012Assessing and comparing influencing factors of residual stresses in selective laser melting using a novel analysis methodcitations
- 2012A preliminary investigation on selective laser melting of M2 high speed steel
- 2011The investigation of the influence of laser re-melting on density, surface quality and microstructure of selective laser melting parts
- 2010Microstructure and mechanical properties of maraging steel 300 after Selective Laser Melting
- 2010Part and material properties in selective laser melting of metals
- 2009Microstructure evolution of selective laser molten 316L stainless steel parts with laser re-melting
- 2009Improving Productivity Rate in SLM of Commercial Steel Powders
- 2009Experimental investigation of laser surface re-melting for the improvement of selective laser melting process
- 2009Investigation on occurrence of elevated edges in Selective Laser Melting
- 2009Rapid Manufacturing Research at the Catholic University of Leuven
- 2009An Experimental study of Process Parameters in Laser Marking
- 2009Experimental Investigation of Charpy Impact Tests on Metallic SLM parts
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document
The Laser Powder Bed Fusion Process Development of 17-4 PH Stainless Steels with Pulsed-Wave Lasers
Abstract
The main advantage of using Laser Powder Bed Fusion is its unique capability to produce highly complex geometries with intricate features. Besides other differences in powder coating and gas circulation among various LPBF machines, the type of laser (continuous or pulsed wave) is the most critical one. In addition to several process parameters to be optimized for a specific material, pulsed-wave lasers bring extra factors to consider. In this work, a pulsed-wave laser was used to develop process parameters for 17-4 PH stainless steel while keeping volumetric energy density, laser power and velocity constant to understand the effect of pulse related parameters on the outputs. As the point distance (PD) between consecutive laser spots was increased, the exposure time was also raised to keep the scan speed constant. This enabled achieving PDs with one extreme end approaching CW-lasers while the other end aiming at keyhole effect.