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Investigation into the cause of spontaneous emulsification of a free steel droplet : validation of the chemical exchange pathway
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Spooner, Stephen, Assis, Andre N., Warnett, Jason M., Fruehan, Richard J., Williams, M. A. (Mark A.) and Sridhar, Seetharaman (2016) Investigation into the cause of spontaneous emulsification of a free steel droplet : validation of the chemical exchange pathway. Metallurgical and Materials Transactions B, 47 (4). pp. 2123-2132. doi:10.1007/s11663-016-0700-3 ISSN 1073-5615.
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Official URL: http://dx.doi.org/10.1007/s11663-016-0700-3
Abstract
Small Fe-based droplets have been heated to a molten phase suspended within a slag medium to replicate a partial environment within the basic oxygen furnace (BOF). The confocal scanning laser microscope (CSLM) has been used as a heating platform to interrogate the effect of impurities and their transfer across the metal/slag interface, on the emulsification of the droplet into the slag medium. The samples were then examined through X-ray computer tomography (XCT) giving the mapping of emulsion dispersion in 3D space, calculating the changing of interfacial area between the two materials, and changes of material volume due to material transfer between metal and slag. Null experiments to rule out thermal gradients being the cause of emulsification have been conducted as well as replication of the previously reported study by Assis et al.[1] which has given insights into the mechanism of emulsification. Finally chemical analysis was conducted to discover the transfer of oxygen to be the cause of emulsification, leading to a new study of a system with undergoing oxygen equilibration.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TP Chemical technology | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Library of Congress Subject Headings (LCSH): | Steel, Drops | ||||||||
Journal or Publication Title: | Metallurgical and Materials Transactions B | ||||||||
Publisher: | Springer New York LLC | ||||||||
ISSN: | 1073-5615 | ||||||||
Official Date: | 31 May 2016 | ||||||||
Dates: |
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Volume: | 47 | ||||||||
Number: | 4 | ||||||||
Number of Pages: | 10 | ||||||||
Page Range: | pp. 2123-2132 | ||||||||
DOI: | 10.1007/s11663-016-0700-3 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 6 June 2016 | ||||||||
Date of first compliant Open Access: | 6 June 2016 |
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