Paper Title:
Properties of Magnesium Strips Produced by Twin-Roll-Casting and Hot Rolling
  Abstract

The combination of Twin-Roll-Casting (TRC) and subsequent rolling constitutes the most promising process chain for producing magnesium strips economically. Fast solidification (10 times faster than continuous casting) combined with partial deformation lead to a fine primary microstructure as well as less shrinking holes, pores, segregations and brittle precipitations which all together has a very positive effect on forming behavior of the initial material and quality of the final product. The paper elaborates on metallurgical processes in consideration of microstructure and texture results and on the obtained mechanical properties of TRC magnesium strips and finished strips. In addition, the influence of twin-roll-cast and rolling conditions on the mechanical properties will be discussed. The investigation has also been expanded to possible heat treatments and their influence. Concluding remarks will be made on results of rolling trail which were carried out on an industrial scale rolling mill, revealing that the production of hot rolled thin sheets of magnesium alloy AZ31 is possible with a very promising combination of strength and ductility.

  Info
Periodical
Chapter
Chapter 2: Cast and Wrought Alloys
Edited by
Hajo Dieringa, Norbert Hort and Karl Ulrich Kainer
Pages
21-24
DOI
10.4028/www.scientific.net/MSF.690.21
Citation
R. Kawalla, M. Ullmann, C. Schmidt, J. Dembińska, H. P. Vogt, "Properties of Magnesium Strips Produced by Twin-Roll-Casting and Hot Rolling", Materials Science Forum, Vol. 690, pp. 21-24, 2011
Online since
June 2011
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Price
$32.00
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