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Modeling of inclusion evolution in a steel ladle

Published online by Cambridge University Press:  08 March 2008

P. Gardin ,
J.-F. Domgin ,
M. Simonnet  and
J. Lehmann
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Abstract

Optimization of deoxidizer sequencing, such as Al and Ti, isan important topic which can provide improvement in termsof inclusion composition and process stability. Nevertheless,modeling inclusion nucleation and growth in a ladle is still achallenge, since different complex mechanisms are involved.The paper describes key steps which involve an importantmodeling investigation. The first step deals with deoxidizer meltingin a turbulent steel bath. The second is devoted to nucleationand growth of inclusions: thermodynamics criteria for inclusionprecipitation and turbulent agglomeration of clusters should besimultaneously considered.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 105 , Issue 2: Blast FurnaceEnvironmentStellmakingSteel Use , February 2008 , pp. 84 - 91
Copyright
© La Revue de Métallurgie, 2008

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