Paper Title:
Study on Solidification Microstructure of AZ31 Alloy Strips by Vertical Twin Roll Casting
  Abstract

The strip casting of AZ31 were carried out by a Ø250×150mm of vertical twin roll caster at different casting speeds (9-15m/min) and in different casting temperatures (630-660°C). The solidification microstructure of the strips was examined. The experiment results showed that the crystal grain size of the casting was smaller than that of conventional ingot, and decreases while the casting speed is raised, or the casting temperature decrease. The casting temperature strongly affected the dendrite structure that changed into sphere-like when the casting temperature was lower. The appropriate casting temperature for AZ31 magnesium alloy is 640°C, nearby its liquidus temperature.

  Info
Periodical
Materials Science Forum (Volumes 546-549)
Edited by
Yafang Han et al.
Pages
383-386
DOI
10.4028/www.scientific.net/MSF.546-549.383
Citation
J. Wang, B. Jiang, P. D. Ding, F. S. Pan, Y. G. Dai, "Study on Solidification Microstructure of AZ31 Alloy Strips by Vertical Twin Roll Casting", Materials Science Forum, Vols. 546-549, pp. 383-386, 2007
Online since
May 2007
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$32.00
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