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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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Pixner, Florian
Austrian Institute of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024Thermal cycling effects on the local microstructure and mechanical properties in wire-based directed energy deposition of nickel-based superalloycitations
- 2024Physical Simulation of microstructures generated by wire-arc directed energy deposition
- 2024Welding of S1100 Ultra high-Strength Steel Plates with Matching Metal-Cored Filler Wirecitations
- 2023Influence of process and heat input on the microstructure and mechanical properties in wire arc additive manufacturing of hot work tool steelscitations
- 2023Application of electron beam welding technique for joining coarse-grained and ultrafine-grained plates from Al-Mg-Si alloycitations
- 2023Microstructure and texture characterisation of friction stir welded CoCrNi and CoCrFeMnNi multi-principle element alloyscitations
- 2023Microstructure characterisation of multi-principal element alloys welds produced by electron beam weldingcitations
- 2022Combination of Electron Beam Surface Structuring and Plasma Electrolytic Oxidation for Advanced Surface Modification of Ti6Al4V Alloycitations
- 2022Directed energy deposition processes and process design by artificial intelligencecitations
- 2022Tailoring the alloy composition for wire arc additive manufacturing utilizing metal-cored wires in the cold metal transfer processcitations
- 2022Mechanical and microstructural properties of S1100 UHSS welds obtained by EBW and MAG weldingcitations
- 2022Manufacturing of coarse and ultrafine-grained aluminum matrix composites reinforced with Al2O3 nanoparticles via friction stir processingcitations
- 2022Wire-based electron beam additive manufacturing of tungstencitations
- 2021Residual Stresses, Microstructure, and Mechanical Properties of Electron Beam Welded Thick S1100 Steelcitations
- 2020Wire-Based Additive Manufacturing of Ti-6Al-4V Using Electron Beam Techniquecitations
- 2019Influence of the focus wobbling technique on the integrity and the properties of electron beam welded MarBN steelcitations
- 2019Improving the integrity and the microstructural features of electron beam welds of a creep-resistant martensitic steel by local (de-)alloyingcitations
- 2019Microstructure development of molybdenum during rotary friction weldingcitations
- 20194-D Printing of NiTi Shape Memory Alloys
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article
Tailoring the alloy composition for wire arc additive manufacturing utilizing metal-cored wires in the cold metal transfer process
Abstract
<p>In the present study, the application and tailoring of the alloy composition of chromium martensitic hot-work steels using metal cored wires (MCW) for wire arc additive manufacturing (WAAM) in a modified short-circuit metal transfer process is demonstrated. The nickel content was varied and the alloys were fabricated as tubular-cored wires with various powder fillings. By recording the material transfer at high speed during processing, evidence was gathered indicating the suitability of the fabricated cored wires for WAAM. Optimized process parameters were identified by taking a Design of Experiment (DoE) approach and additive manufacturing (AM) structures were fabricated from the chromium martensitic hot-work tool steel alloys. The microstructure and mechanical properties of the parts were subsequently characterized. The phase fraction of the polygonally shaped delta ferrite could be reduced and microstructural refinement could be achieved by adding nickel to the investigated hot-work tool steel. In addition to molybdenum-enriched precipitates that covered the grain boundaries, randomly scattered non-metallic inclusions and oxides were observed. Modifying the microstructure by adding nickel also affects the mechanical properties of the product: an increase in hardness, impact toughness and yield strength as the nickel content increased in the AM structures fabricated by WAAM was observed.</p>