Thermo-mechanical processing of aluminum profiles by integrated electromagnetic compression subsequent to hot extrusion |
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Authors: | A Jäger D RischAE Tekkaya |
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Affiliation: | Institute of Forming Technology and Lightweight Construction, Baroper Str. 301, D-44227 Dortmund, Germany |
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Abstract: | In this paper, a strategy for the thermo-mechanical processing of aluminum profiles by subsequent electromagnetic forming and heat treatment is given. A tool coil for electromagnetic compression was positioned behind the die exit and coaxially to the extrudate in order to reduce the workpiece cross section locally. Additionally, a counter die in the shape of a mandrel was mounted to the mandrel of a porthole extrusion die which extended into the tool coil. Besides achieving a more defined geometry in comparison to a free forming operation, by this also the geometrical complexity of locally compressed areas can be achieved. |
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Keywords: | Extrusion Electromagnetic compression Process integration |
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