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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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Strano, Matteo
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Topics
Publications (11/11 displayed)
- 2023A Data-Based Tool Failure Prevention Approach in Progressive Die Stampingcitations
- 2021Effect of printing parameters on mechanical properties of extrusion-based additively manufactured ceramic partscitations
- 2021The effect of printing parameters on sintered properties of extrusion-based additively manufactured stainless steel 316L partscitations
- 2021Optimization of process-property relations of 3D printed ceramics using extrusion-based additive manufacturingcitations
- 2021Extrusion-based additive manufacturing of forming and molding toolscitations
- 2020Evolution of porosity and geometrical quality through the ceramic extrusion additive manufacturing process stagescitations
- 2019Processability of SS316L powder - binder mixtures for vertical extrusion and deposition on table testscitations
- 2019A comprehensive review of extrusion-based additive manufacturing processes for rapid production of metallic and ceramic partscitations
- 2018Rapid production of hollow SS316 profiles by extrusion based additive manufacturingcitations
- 2017Application of the Kalai-Smorodinsky approach in multi-objective optimization of metal forming processescitations
- 2016Feasibility Study of an Extrusion-based Direct Metal Additive Manufacturing Techniquecitations
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article
Processability of SS316L powder - binder mixtures for vertical extrusion and deposition on table tests
Abstract
<p>Metal injection molding (MIM) feedstocks are mixtures made of a solid metal powder and a viscous polymeric binder. Vertical extrusion of MIM feedstock has seldom been investigated in the scientific literature, but it is the enabling technology for extrusion-based additive manufacturing processes (EAM). The EAM process adopts the movement of an extruder, relative to a build table, to deposit thin strands (roads) of the mixture and grow a 3D object, layer by layer. EAM may find applications for the consumer as well as industrial products. This paper addresses some of the challenges involved in achieving a consistent flow of molten feedstock mixture and discusses the consequences of the main process parameters on the extrusion-based manufacturing process. This work also relates the rheological behaviour of feedstock to the extrusion process, aiming at the dimensional stability of parts. An experimental study was performed on SS316L feedstock with a water-soluble binder system, by varying the percentage powder content of the mixtures, the extrusion temperature, the extrusion rate, the deposition table speed and the nozzle shape. The study evidences and explains why higher powder loading values and lower extrusion temperatures are the most useful conditions in order to obtain a stable flow with reduced swelling/shrinking phenomena.</p>