Paper Title:
Hot Ductility Variations of ST52-3 Continuously Cast Steel within the Cast Strand
  Abstract

Along the metallurgical length at continuous casting, the temperature within the strand ranges from above melt temperature (>1500) to about 900 oC. In this range, mechanical properties drastically drop at above the zero deformation temperature (ZDT) and the zero strength temperature (ZST), therefore crack susceptibility increases. These temperatures depend on (local) chemical and microstructural properties. We investigated the change in ZDT and ZST for ST52-3 steel grade by taking samples from the as-cast strand from positions of the columnar grains and from the centreline segregated zone. We found more than 100 oC drop in ZDT due to segregations in the centreline compared to the columnar zone within the strand.

  Info
Periodical
Edited by
P. J. Szabó and T. Berecz
Pages
13-18
DOI
10.4028/www.scientific.net/MSF.659.13
Citation
V. Gonda, Z. Csepeli, I. Kardos, B. Verő, J. Csizmadia, "Hot Ductility Variations of ST52-3 Continuously Cast Steel within the Cast Strand", Materials Science Forum, Vol. 659, pp. 13-18, 2010
Online since
September 2010
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$32.00
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