Effect of argon blow through a monoblock stopper in continuous casting of steel on the service of the stopper and nonmetallic inclusions in the cast steel

Effect of argon blow through a monoblock stopper in continuous casting of steel on the service of... Kinetic equations of the dependence of the wear of corundum-graphite monoblock stoppers in the slag line and the head on the temperature of the steel in the intermediate ladle in continuous casting are derived as a result of a full-scale experiment. The equations make it possible to calculate the casting time at any possible temperature of casting with the use of corundum-graphite monoblock stoppers of a standard composition (TU 14-8-371-81). In addition to increasing substantially the number of casting cycles in a batch, argon blow through monoblock stoppers with porous inserts improves the quality parameters of cast steel ShKh-15 with respect to segregation bands, globules, central porosity, carbide segregation, content of sulfides and oxides, and subshrinkage segregation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Effect of argon blow through a monoblock stopper in continuous casting of steel on the service of the stopper and nonmetallic inclusions in the cast steel

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Publisher
Springer Journals
Copyright
Copyright © 1999 by Kluwer Academic/Plenum Publishers
Subject
Chemistry; Characterization and Evaluation of Materials; Materials Science; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/BF02762301
Publisher site
See Article on Publisher Site

Abstract

Kinetic equations of the dependence of the wear of corundum-graphite monoblock stoppers in the slag line and the head on the temperature of the steel in the intermediate ladle in continuous casting are derived as a result of a full-scale experiment. The equations make it possible to calculate the casting time at any possible temperature of casting with the use of corundum-graphite monoblock stoppers of a standard composition (TU 14-8-371-81). In addition to increasing substantially the number of casting cycles in a batch, argon blow through monoblock stoppers with porous inserts improves the quality parameters of cast steel ShKh-15 with respect to segregation bands, globules, central porosity, carbide segregation, content of sulfides and oxides, and subshrinkage segregation.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 21, 2007

References

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