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TWIN-ROLL CASTING OF MAGNESIUM WIRE: AN INNOVATIVE CONTINUOUS PRODUCTION ROUTE

1 MOSES Marie
Co-authors:
1 WEMME Heike 1 ULLMANN Madlen 1 KAWALLA Rudolf 1 PRAHL Ulrich
Institution:
1 TU Bergakademie Freiberg, Institute of Metal Forming, Freiberg, Germany, EU, office@imf.tu-freiberg.de
Conference:
28th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 22nd - 24th 2019
Proceedings:
Proceedings 28th International Conference on Metallurgy and Materials
Pages:
438-443
ISBN:
978-80-87294-92-5
ISSN:
2694-9296
DOI:
https://doi.org/10.37904/metal.2019.812
Published:
4th November 2019
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
491 views / 488 downloads
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Abstract

Within the last year and for the first time worldwide, the innovative twin-roll casting process has been implemented for magnesium wire at the pilot plant at the Institute of Metal Forming of TU Bergakademie Freiberg. The aim of this study is to present a new process route via continuously twin-roll casting AZ31 magnesium alloy wires. Due to the combination of solidification and forming in one process step, in rolling direction deformed grains are present and precipitates are fine distributed. Remarkably, only a short heat treatment after twin-roll casting is necessary to dissolve segregations and to form equiaxed grains. Three states, namely twin-roll cast and two selected heat-treated, are characterized by means of microstructural investigations, texture investigations, tensile tests and hardness measurements.

Keywords: Twin-roll casting, magnesium, AZ31, wire

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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