Comparison between measured CaO and Al2O3 normalised to CaO-Al2O3 in top slag, calcium aluminate inclusions, and results of theoretical calculations
2013 (English)In: Ironmaking & steelmaking, ISSN 0301-9233, E-ISSN 1743-2812, Vol. 40, no 5, 369-375 p.Article in journal (Refereed) Published
This study sets out to compare the wt-% CaOslag and Al 2O3 slag in the binary system of CaO-Al 2O3 that were measured in the top slag before teeming, the CaOincl and Al2O3 incl in calcium aluminates that were analysed by scanning electron microscopy of the steel samples and the CaOcalc and Al2Ocalc 3 that were achieved from theoretical calculations using the total measured elements in the top slag and steel before teeming. The CaO incl and Al2O3 incl in all of the calcium aluminate inclusions of this study did not have the same ratio; in the opposite, they covered a large range. The average CaOincl and Al 2O3 incl in all samples had nearly similar compositions that were close to the border of the phase Ca12Al 14O33 in the binary phase diagram of CaO-Al 2O3. The CaOslag and Al2O 3 slag in all samples had almost similar compositions that were close to the border of the phase Ca3Al2O6 in the binary phase diagram of CaO-Al2O3. The results of theoretical calculations were close to the CaOslag and Al 2O3 slag, but they did not follow the same maximum and minimum tendencies of CaOslag and Al2O 3 slag.
Place, publisher, year, edition, pages
UK, 2013. Vol. 40, no 5, 369-375 p.
CaO, Al2O3, Top slag, Calcium aluminate, Inclusions, Theoretical calculations
Metallurgy and Metallic Materials
IdentifiersURN: urn:nbn:se:kth:diva-101467DOI: 10.1179/1743281212Y.0000000046ISI: 000320448900007ScopusID: 2-s2.0-84880640021OAI: oai:DiVA.org:kth-101467DiVA: diva2:547858
QC 201506292012-08-292012-08-292015-06-29Bibliographically approved