Publicação: Corrosion behavior in graphite refractories impregnated with ZrO 2 and CeO 2 carrying solutions
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This paper investigates corrosion behavior in graphite refractory hot metal impregnated with ZrO 2 and CeO 2 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 30×30×280 mm test specimens and hot metal from CSN#2 Blast Furnace runner. The temperature chosen for this test was 1520°C and sixty-minute isotherm. Upon test completion, test specimens were characterized by their dimensional variation, X-ray diffractometry and Scanning Electronic Microscopy (SEM).
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Ceria, Corrosion, Graphite, Hot metal, Zirconia, Sixty-minute isotherm, Cerium compounds, Impregnation, Isotherms, X ray diffraction, Refractory materials
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Inglês
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2nd International Meeting on Ironmaking and 1st International Symposium on Iron Ore and Parallel Event- 5th Japan-Brazil Symposium on Dust Processing-Energy-Environment on Metallurgical Industries, v. 1, p. 133-144.
