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Forschung im Ingenieurwesen

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01-06-2015 | Originalarbeiten/Originals

Extrusion of the bimetallic aluminum-magnesium rods and tubes

Authors: O. Golovko, S.M. Bieliaiev, F. Nürnberger, V.M. Danchenko

Published in: Forschung im Ingenieurwesen | Issue 1-2/2015

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Abstract

On the basis of theoretical and experimental studies the complex influence of process conditions such as the geometric characteristics of the billet and the tool were investigated regarding the extrusion of bimetallic rods and tubes. As a core material magnesium alloys of the Mg-Al-Zn system and as shell materials aluminum and its alloys of the Al-Mg-Si and Al-Zn-Mg were extruded. An increase in the strength properties of the aluminum alloy shell—compared to the core of a magnesium alloy—increases the inhomogeneity of the speed distribution of the metal flow resulting in defects. A sustainable processing can be established by the extrusion of bimetallic rods which consist of an Mg-Al-Zn-Mn core and an Al-Mg-Si shell.

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Title: Extrusion of the bimetallic aluminum-magnesium rods and tubes
Authors: O. Golovko
S.M. Bieliaiev
F. Nürnberger
V.M. Danchenko
Publication date: 01-06-2015
Publisher: Springer Berlin Heidelberg
Published in: Forschung im Ingenieurwesen / Issue 1-2/2015
Print ISSN: 0015-7899
Electronic ISSN: 1434-0860
DOI: https://doi.org/10.1007/s10010-015-0184-3

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