WEAR MECHANISMS OF REFRACTORIES FOR THE SLAG LINE OF STEEL LADLES

WEAR MECHANISMS OF REFRACTORIES FOR THE SLAG LINE OF STEEL LADLES

The current results of laboratory tests used for evaluating the wear mechanisms of MgO-C bricks for the slag line of steel ladles at Usiminas (Ipatinga) are presented and discussed. The laboratory evaluations indicated that the wear of refractory lining derived from an association of phenomena such...

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Veröffentlicht in:Tecnologia em Metalurgia, Materiais e Mineracao Materiais e Mineracao, 2011-01, Vol.20110515, p.115-125
Hauptverfasser: Bastos, Savia Cristina Lacerda Poubel, Do Santos, Fabio Duarte, Kokke, Margarida Maria, Exposito, Caio Cesar Dente, De Anchieta Rodrigues, Jose
Format: Artikel
Sprache:eng
Schlagworte:
Carbon
Iron and steel making
Ladle metallurgy
Ladles
Refractories
Slags
Steels
Wear mechanisms
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Zusammenfassung:The current results of laboratory tests used for evaluating the wear mechanisms of MgO-C bricks for the slag line of steel ladles at Usiminas (Ipatinga) are presented and discussed. The laboratory evaluations indicated that the wear of refractory lining derived from an association of phenomena such as: (i) carbon oxidation and subsequently refractory matrix corrosion, (ii) erosion in superficial layers, and (iii) spalling.
ISSN:2176-1515