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Several slag rims and lubrication behaviours in slab casting

Published online by Cambridge University Press:  09 February 2006

C. Perrot ,
J.-N. Pontoire ,
C. Marchionni ,
M. -R. Ridolfi  and
L.-F. Sancho
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Abstract

Phenomena that occur at the meniscus in the CC mould have a major effect on product quality. The mechanism of slag rim behaviour and flux infiltration are reported based on the results of industrial characterization and of fluid dynamics modelling of the effect of oscillation and shell velocity.
Lubrication stability is not established as the slag film happens to be broken down and renewed several times during casting. A mechanism of slag infiltration is put forward and the main factors for oscillation marks formation are pointed out.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 102 , Issue 12: L'acier en France en 2004Coulée continueUtilisation de l'acierEnvironnementMaintenance , December 2005 , pp. 887 - 896
Copyright
© La Revue de Métallurgie, 2005

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