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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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Zanger, Prof. Dr.-Ing. Frederik
Karlsruhe Institute of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Influence of TiC-Nanoparticles on the material properties of AlSi10Mg manufactured by Laser Powder Bed Fusion
- 2023Application of Bayesian Optimization for the optimized development of slurries for Additive Manufacturing
- 2023Customized production of highly integrated 3D power electronic modules by multi-material vat photopolymerization, powder bed fusion and selective piezojet metallization [MultiPower]
- 2022Exploring the Applicability of Sinterjoining to Combine Additively Manufactured Ceramic Componentscitations
- 2022Process Combination of VPP-LED and Vacuum Die Casting for Producing Complex Ceramic 3D-MID
- 2021Dual-Laser PBF-LB Processing of a High-Performance Maraging Tool Steel FeNiCoMoVTiAlcitations
- 2020Effect of tool coatings on surface grain refinement in orthogonal cutting of AISI 4140 steelcitations
- 2020Complementary Machining: Effect of tool types on tool wear and surface integrity of AISI 4140citations
- 2019Influence of anisotropy of additively manufactured AlSi10Mg parts on chip formation during orthogonal cuttingcitations
Places of action
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article
Dual-Laser PBF-LB Processing of a High-Performance Maraging Tool Steel FeNiCoMoVTiAl
Abstract
As part of an international research project (HiPTSLAM), the development and holistic processing of high-performance tool steels for AM is a promising topic regarding the acceptance of the laser powder bed fusion (PBF-LB) technology for functionally optimized die, forming and cutting tools. In a previous work, the newly developed maraging tool steel FeNiCoMoVTiAl was qualified to be processed by laser powder bed fusion (PBF-LB) with a material density of more than 99.9% using a suitable parameter set. To exploit further optimization potential, the influence of dual-laser processing strategies on the material structure and the resulting mechanical properties was investigated. After an initial calibration procedure, the build data were modified so that both lasers could be aligned to the same scanning track with a defined offset. A variation of the laser-based post-heating parameters enabled specific in-situ modifications of the thermal gradients compared to standard single-laser scanning strategies, leading to corresponding property changes in the produced material structure. An increase in microhardness of up to 15% was thus obtained from 411 HV up to 471 HV. The results of the investigation can be used to derive cross-material optimization potential to produce functionally graded high-performance components on PBF-LB systems with synchronized multi-laser technology.