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Application of ArcelorMittal Maizières thermodynamicmodels to liquid steel elaboration

Published online by Cambridge University Press:  22 November 2008

J. Lehmann
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Abstract

The action of ArcelorMittal Maizières in the domain ofphysical chemistry of metallurgical slags and liquid steel hasalways been sustained. In particular, this activity gave birthto several models among which the cell model that describesthe properties of metallurgical slags (and of liquid oxideinclusions) has a special place. This model, along with otherspecific models describing the metallic phases, has beenincluded in a home-built equilibrium calculation code CEQCSI(Chemical EQuilibrium Calculations for the Steel Industry)to allow easy calculations by non specialist users. Severalapplications to steel elaboration will be presented. An insightinto the development of new models such as the GeneralizedCentral Atom model is also given. The application domainof this latter model is high alloyed and segregated steelgrades and the same formalism is also used to improve theperformance of the cell model for slags.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 105 , Issue 11: SinteringSteelmakingHot RollingCoating , November 2008 , pp. 539 - 550
Copyright
© La Revue de Métallurgie, 2008

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