ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Corrosion Behavior in Graphite Refractories Impregnated with ZrO2 and CeO2 Carrying Solutions
Fernando VERNILLISérgio MURILO JUSTUSSidiney Nascimento SILVAJoão Batista BALDOElson LONGOJosé Arana VARELA
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2005 Volume 45 Issue 12 Pages 1871-1877

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Abstract

This paper investigates corrosion behavior in graphite refractory hot metal impregnated with ZrO2 and CeO2 carrying solutions used in Blast Furnace hearth, consisting of 50% graphite and 50% anthracite. Corrosions tests were carried out by means of finger test method in an induction furnace, using bar-shaped 30×30×280mm test specimens and hot metal from CSN #2 Blast Furnace runner. The temperature chosen for this test was 1520°C and 60-min isotherm. Upon test completion, test specimens were characterized by their dimensional variation, X-ray diffractometry and Scanning Electronic Microscopy (SEM).

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© 2005 by The Iron and Steel Institute of Japan
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