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CSLM, XCT Couple interrogation of the emulsification interaction between free steel droplets suspended in steel making slags
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Spooner, Stephen, Assis, Andre N., Warnett, Jason M., Fruehan, Richard J., Williams, M. A. (Mark A.) and Sridhar, Seetharaman (2015) CSLM, XCT Couple interrogation of the emulsification interaction between free steel droplets suspended in steel making slags. In: CTSSC-EMI Symposium, Tokyo, Japan, 3-4 Sep 2015
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WMG_Williams_150816-ctssc-emi_symposium_sawfws.pdf - Accepted Version - Requires a PDF viewer. Download (1477Kb) |
Official URL: https://www.isij.or.jp/mu4tjri0a
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 as it offers the high heating rates necessary for slag and metal to become molten in close time proximity avoiding gradual equilibration during heating. The effect of impurities and their transfer across the metal/slag interface, on the emulsification of the droplet into the slag medium was then examined through X-ray Computer Tomography (XCT) scanning of the quenched sample. This gives 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. Samples were then sectioned and radial chemical analysis is used to identify component surface enrichment or lack thereof. Replication of the previously reported study by Assis et al1 has also been carried out, to show repeatability of the experimental set up and conditions through different users.
Item Type: | Conference Item (Paper) | ||||||
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Subjects: | T Technology > TN Mining engineering. Metallurgy | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Library of Congress Subject Headings (LCSH): | Steel -- Metallurgy -- Oxygen processes , Basic oxygen furnaces, Slag | ||||||
Official Date: | 19 August 2015 | ||||||
Dates: |
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Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Date of first compliant deposit: | 16 August 2016 | ||||||
Date of first compliant Open Access: | 16 August 2016 | ||||||
Conference Paper Type: | Paper | ||||||
Title of Event: | CTSSC-EMI Symposium | ||||||
Type of Event: | Other | ||||||
Location of Event: | Tokyo, Japan | ||||||
Date(s) of Event: | 3-4 Sep 2015 |
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