Ferrous Oxide Activity in FeO-TiO_2-CaO-Al_2O_3 System
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概要
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Ferrous oxide activity has been determined in molten synthetic slag mixtures of the quaternary system FeO-TiO<SUB>2</SUB>-CaO-Al<SUB>2</SUB>O<SUB>3</SUB> at constant levels of Al<SUB>2</SUB>O<SUB>3</SUB>. Furthermore, in the course of determining the FeO activity in this quaternary system, the ternary system FeO-CaO-Al<SUB>2</SUB>O<SUB>3</SUB> was also investigated at 1450°C. The technique used to measure the ferrous oxide activity in the investigated systems was the well established one of gas-slag-metal equilibration in which molten slags contained in armco iron crucibles are exposed to a flowing gas mixture with a known oxygen potential until equilibrium has been attained. After equilibration, the final chemical analysis of the slags give compositions having a particular ferrous oxide activity corresponding to the oxygen potential of the gas mixture. The effect of Al<SUB>2</SUB>O<SUB>3</SUB> additions on the FeO activity was determined. The results are presented as a series of iso-activity curves on pseudo-ternary diagrams. The interdependence between the ferrous oxide activities and slag composition was also studied.
- 社団法人 日本鉄鋼協会の論文
- 1996-05-15
著者
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Ahmed Azza
Steel Technology Central Metallurgical Research & Development Institute (cmrdi)
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Ahmed Azza
Steel Metallurgy And Ferroalloys Department Central Metallurgical Research And Development Institute
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EISSA Mamdouh
Steel Metallurgy and Ferroalloys Department, Central Metallurgical Research and Development Institut
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EL-FAWAKHRY Kamal
Steel Metallurgy and Ferroalloys Department, Central Metallurgical Research and Development Institut
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TAYOR Wafia
Chemistry Department, Faculty of Science, Helwan University
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EL-FARAMAWY Hoda
Steel Metallurgy and Ferroalloys Department, Central Metallurgical Research and Development Institut
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Tayor Wafia
Chemistry Department Faculty Of Science Helwan University
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Eissa Mamdouh
Steel Metallurgy And Ferroalloys Department Central Metallurgical Research And Development Institute
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El-faramawy Hoda
Steel Metallurgy And Ferroalloys Department Central Metallurgical Research And Development Institute
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El-fawakhry Kamal
Steel Metallurgy And Ferroalloys Department Central Metallurgical Research And Development Institute
関連論文
- Ferrous Oxide Activity in FeO-TiO_2-CaO-Al_2O_3 System
- Analysis of Interactions between Hot Mixer Slag and Magnesia Containing Refractories Using Design of Experiments