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Title: Material evaluation to prevent nozzle clogging during continuous casting of Al killed steels
Authors: Vermeulen, Yves ×
Coletti, Bert
Blanpain, Bart
Wollants, Patrick
Vleugels, Jef #
Issue Date: 2002
Publisher: Iron steel inst japan keidanren kaikan
Series Title: ISIJ International vol:42 issue:11 pages:1234-1240
Abstract: Al2O3-carbon composite submerged entry nozzles (SEN) are used for continuous casting of steels. Although this material has excellent mechanical and thermal properties, it frequently leads to clogging. The purpose of our research is to find a suitable refractory material that can be used to coat SENs. This paper reports on the chemical compatibility of a number of potential refractory materials: Al2O3, ZrO2, Al2O3-carbon, SiO2 and MgO with liquid steel, an amount of simulated inclusions and synthetic slag. For this purpose, an experimental laboratory procedure was optimised to simulate the nozzle behaviour during continuous casting. Al2O3 was found to give satisfactory results, and therefore a Al2O3 plasma coated Al2O3-carbon material was also tested in the laboratory with good results.
ISSN: 0915-1559
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemical and Extractive Metallurgy Section (-)
Department of Materials Engineering - miscellaneous
Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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