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Indirect Extrusion of Rapidly Solidified Al-base Alloy Powder/ Flakes

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Indirect Extrusion of Rapidly Solidified Al-base Alloy Powder/ Flakes and Deformation Behavior of the Extrudate

Soeren Mueller, R&D Center of Extrusion, TU Berlin, Berlin, Germany
Klaus Mueller, R&D Center of Extrusion, TU Berlin, Berlin, Germany
Manoj Kumar, Technical University Vienna, Vienna, Austria

Track: EXTRUSION/DIE, THEORETICAL - Dies and Modeling

ABSTRACT --- Gas atomization and melt spinning are rapid solidification
techniques for preparing new alloy compositions/structures. Rapidly solidified
dispersion-strengthened Al-Ni-Mn-Cu alloy powder/flakes of nominal
composition prepare rods via hot indirect extrusion. Powder/flakes are compacted
into billet shape by cold isostatic pressing, preheated at 623 Kelvin (K), and
indirect extruded. Powder/flakes’ comparisons due to extrusion forces are
presented. Microstructure investigation examines mechanical properties at room
and elevated temperatures.

© Extrusion Technology for Aluminum Profiles Foundation (ET Foundation). All rights reserved. No part of The Proceedings may be reproduced in any form without the express written permission of the ET Foundation.

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