2016 | OriginalPaper | Buchkapitel
Hot Extrusion of Aluminum Chips
verfasst von : A. Erman Tekkaya, Volkan Güley, Matthias Haase, Andreas Jäger
Erschienen in: ICAA13 Pittsburgh
Verlag: Springer International Publishing
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The process of hot extrusion is a promising approach for the direct recycling of aluminum machining chips to aluminum profiles. The presented technology is capable of saving energy, as remelting of aluminum chips can be avoided. Depending on the deformation route and process parameters, the chip-based aluminum extradates showed mechanical properties comparable or superior to cast aluminum billets extruded under the same conditions. Using different metal flow schemes utilizing different extrusion dies the mechanical properties of the profiles extruded from chips can be improved. The energy absorption capacity of the profiles the rectangular hollow profiles extruded from chips and as-cast billets were analyzed using the drop hammer test set-up. The formability of the profiles extruded from chips and as-cast material were compared using tube bending tests in a three-roller-bending machine.