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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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Rath, Lars
Helmholtz-Zentrum Hereon
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Processability of Mg-Gd Powder via Friction Extrusioncitations
- 2024Grain Structure Evolution Ahead of the Die During Friction Extrusion of AA2024citations
- 2024Behavior of volumetric core defects in friction extrusion of wire from Al-Cu alloy
- 2023Anisotropy and mechanical properties of dissimilar Al additive manufactured structures generated by multi-layer friction surfacingcitations
- 2023Anisotropy and mechanical properties of dissimilar Al additive manufactured structures generated by multi-layer friction surfacingcitations
- 2023Process simulation of friction extrusion of aluminum alloys
- 2023Process simulation of friction extrusion of aluminum alloys
- 2023Friction extrusion processing of aluminum powders: microstructure homogeneity and mechanical propertiescitations
- 2023Friction extrusion processing of aluminum powders:Microstructure homogeneity and mechanical propertiescitations
- 2023Microstructure evolution and texture development during production of homogeneous fine-grained aluminum wire by friction extrusioncitations
- 2022Comparison of Friction Extrusion Processing from Bulk and Chips of Aluminum-Copper Alloyscitations
- 2022Changes in processing characteristics and microstructural evolution during friction extrusion of aluminumcitations
- 2022Changes in processing characteristics and microstructural evolution during friction extrusion of aluminumcitations
- 2021Investigation of temperature evolution and flash formation at AA5083 studs during friction surfacing
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booksection
Behavior of volumetric core defects in friction extrusion of wire from Al-Cu alloy
Abstract
Friction extrusion describes the processing of metallic materials by inducing severe plastic deformation via frictional heating and shear strain. Rotational motion between die and feedstock is the key feature defining the potential of the process to generate consolidated extrudates with refined, homogenized microstructure. In this study, the effect of volumetric core defects on the material flow and properties of the extrudate is investigated, by processing from Al-Cu billets with a centric bore. Optical as well as scanning electron microscopy, X-ray microtomography and micro-hardness measurements are applied. Different material flow patterns and defect closure mechanisms are identified in correlation with the defect volume and the potential of controlling material flow via geometrical feedstock modification is discussed.