1573KにおけるCaO-SiO_2-FeO_x系状態図液相線に及ぼすAl_2O_3とMgO添加の影響(融液の性質と制御,焼結その2,<特集号>製銑プロセスの環境調和・資源対応力強化を目指して)

概要

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Phase diagrams for the CaO-SiO_2-FeO_x-Al_2O_3 or -MgO systems at various oxygen partial pressures are necessary for the design of raw material for ironmaking, the analysis of smelting reaction and sintering process. To clarify the effect of Al_2O_3 or MgO content on the formation of melts in the sintering process is important for the development of new sinter. In this study, liquidus for the CaO-SiO_2-FeO_x-Al_2O_3 or -MgO systems at various oxygen partial pressures were observed at 1573K by using chemical equilibration technique. The liquid phase area changed with adding Al_2O_3 or MgO. The effect of the Fe^<3+>/Fe^<2+> ratio on the melting mechanism is discussed.
社団法人日本鉄鋼協会の論文
2006-12-01