著者
木村 久雄 小川 勤 柿木 充 松本 新 濱野 翼 月橋 文孝
出版者
社団法人日本鉄鋼協会
雑誌
鐵と鋼 : 日本鐡鋼協會々誌 (ISSN:00211575)
巻号頁・発行日
vol.92, no.12, pp.748-754, 2006-12-01

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.

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