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Interfacial Phenomena among Liquid Iron-Carbon Alloy, Liquid Slag, and Solid CaO
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
2012 (English)In: Metallurgical and materials transactions. B, process metallurgy and materials processing science, ISSN 1073-5615, E-ISSN 1543-1916, Vol. 43, no 3, 587-597 p.Article in journal (Refereed) Published
Abstract [en]

Interfacial phenomena between hot metal, liquid slag and solid CaO are important to the understanding of the desulfurization reaction in hot-metal treatment processes. In the current work, the surface tension of molten iron-carbon alloy and liquid slag as well as the interfacial tensions among molten iron-carbon alloy-solid CaO, liquid slag-solid CaO, as well as molten iron-carbon alloy-liquid slag were measured in the temperature range 1623 K to 1723 K (1350 A degrees C to 1450 A degrees C). The sessile drop method has been used for these measurements. To analyze the experimental results, two types of graphical analysis programs have been developed to determine the coordinates of the X-ray shadow or charge-coupled device (CCD) image of the droplet. Furthermore, a software package that uses the Gauss-Newton method to minimize an error function between the physically observed and a theoretical Laplacian curve has also been developed in this work.

Place, publisher, year, edition, pages
2012. Vol. 43, no 3, 587-597 p.
Keyword [en]
Surface-Tension, Density, Melts
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-96719DOI: 10.1007/s11663-012-9639-1ISI: 000304159700018Scopus ID: 2-s2.0-84861886766OAI: oai:DiVA.org:kth-96719DiVA: diva2:532889
Note
QC 20120612Available from: 2012-06-12 Created: 2012-06-11 Last updated: 2017-12-07Bibliographically approved

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Taniguchi, YoshinoriSeetharaman, Seshadri
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