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A new approach for the study of slag-metal interface in steelmaking
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Micro-Modelling.
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2006 (English)In: Ironmaking & steelmaking, ISSN 0301-9233, E-ISSN 1743-2812, Vol. 33, no 1, 74-80 p.Article in journal (Refereed) Published
Abstract [en]

The main focus of the present work was to develop a sampler to obtain the physical description of the slag-metal interface in the presence of bulk flow. Industrial trial experiments were carried out in the ladles at Uddeholm Tooling, Hagfors, Sweden using the designed sampler. Samples of the slag-metal interface were successfully taken in both gas stirring and induction stirring modes. The similarities of the appearance as well as the micrographs of the samples suggested that the slag-metal interfaces in the two stirring modes were very similar except in the open eye area. In the case of both stirring modes, metal droplets were found in the slag bulk. On the other hand, no appreciable amount of slag was detected in the metal bulk. Further systematic investigation using a large number of samples is required to obtain a quantitative description of the interface.

Place, publisher, year, edition, pages
2006. Vol. 33, no 1, 74-80 p.
Keyword [en]
slag, metal, interface, droplets, bubbles, ladle treatment, entrainment, liquid liquid interfaces, gas-bubbles, entrainment, mechanisms
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-15445DOI: 10.1179/174328106x94735ISI: 000235517500012Scopus ID: 2-s2.0-33746649116OAI: oai:DiVA.org:kth-15445DiVA: diva2:333486
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Study of the slag-metal interaction in ladle treatment
Open this publication in new window or tab >>Study of the slag-metal interaction in ladle treatment
2005 (English)Licentiate thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2005
Keyword
Materials science, slag-metal, mixing, interface, induction stirring, gas stirring, ladle treatment, Materialvetenskap
National Category
Materials Engineering
Identifiers
urn:nbn:se:kth:diva-320 (URN)91-7178-025-4 (ISBN)
Presentation
2005-06-10, B2, Brinellvägen 23, Stockholm, 10:00
Supervisors
Note
QC 20101126Available from: 2005-07-20 Created: 2005-07-20 Last updated: 2010-11-26Bibliographically approved

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