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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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Quinn, Justin
University of Ulster
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2022Powder Reuse in Laser-Based Powder Bed Fusion of Ti6Al4V—Changes in Mechanical Properties during a Powder Top-Up Regimecitations
- 2021A Simplified Thermal Approximation Method to include the effects of Marangoni Convection in the melt pools of processes that involve moving point heat sourcescitations
- 2021Analysis of spatter removal by sieving during a powder-bed fusion manufacturing campaign in grade 23 titanium alloycitations
- 2021Comparison of Properties and Bead Geometry in MIG and CMT Single Layer Samples for WAAM Applicationscitations
- 2021Thread-stripping test procedures leading to factors of safety data for friction-drilled holes in thin-section aluminium alloycitations
- 2020Improved crush energy absorption in 3D woven composites by pick density modificationcitations
- 2020Reuse of grade 23 Ti6Al4V powder during the laser-based powder bed fusion processcitations
- 2018A Review of Powder Bed Fusion for Additively Manufactured Ti-6wt.%Al-4wt.%V
- 2018A REVIEW OF THERMAL MODELLING FOR METAL ADDITIVE MANUFACTURING PROCESSES: BASIC ANALYTICAL MODELS TO STATE-OF-THE-ART SOFTWARE PACKAGES.
- 2010Analytical Elastic Stiffness Model for 3D Woven Orthogonal Interlock Compositescitations
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document
Comparison of Properties and Bead Geometry in MIG and CMT Single Layer Samples for WAAM Applications
Abstract
The process of Wire Arc Additive Manufacturing (WAAM) utilizes arc welding technology to fabricate metallic components by depositing material in a selective layered fashion. Several welding processes exist that can achieve this layered deposition strategy. Gas Metal Arc Welding (GMAW) derived processes are commonly favored for their high deposition rates (1–4 kg/h) and minimal torch reorientation required during deposition. A range of GMAW processes are available; all of which have different material transfer modes and thermal energy input ranges and the resultant metallic structures formed from these processes can vary in their mechanical properties and morphology. This work will investigate single-layer deposition and vary the process parameters and process mode to observe responses in mechanical properties, bead geometry and deposition rate. The process modes selected for this study were GMAW derived process of Metal Inert Gas (MIG) and Cold Metal Transfer (CMT). Characterization of parameter sets revealed relationships between torch travel speeds, wire feed speeds and the specimen properties and proportions. Differences were observed in the cross-sectional bead geometry and deposition rates when comparing MIG and CMT samples though the influence of process mode on mechanical properties was less significant compared to process parameter selection.