Phase Equilibria of Liquid Fe-S-C Ternary System.

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概要

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• Phase equilibria of Fe-S-C ternary melt has been studied to establish fundamental knowledge on the copper removal from iron melt by sulfide fluxes.Measurements were made to clarify the solubility of carbon and the miscibility gap between iron and FeS melts in Fe-S-C system at the temperature range from 1 473 to 1 873 K. Thermodynamic analysis was tried by applying interstitial solution model. Activity of iron in liquid Fe-C binary alloy was determined by distributing iron between liquid iron and silver phases to determine the interaction parameter between iron and carbon in Fe-C melt.It was concluded that interstitial solution model was applicable to express thermodynamic relation in this system. Phase diagram and activity contours of constituents in Fe-S-C ternary melt were calculated by the model.

• The Iron and Steel Institute of Japanの論文

著者

• Ban-ya Shiro

  Faculty Of Engineering Tohoku University

• Nagasaka Tetsuya

  Faculty of Engineering, Tohoku University

• Wang Chao

  Research Student, Research Institute of Mineral Dressing and Metallurgy, Tohoku University

• Hirama Jun

  Graduate School, Tohoku University

関連論文

• Thermodynamics of the Deoxidation Equilibrium of Aluminum in Liquid Nickel and Nickel-Iron Alloys
• Equilibrium between Yttrium and Oxygen in Liquid Iron and Nickel
• Sulphide Capacities of CaO-Al2O3-MgO and CaO-Al2O3-SiO2 Slags.
• Activities of Tin and Antimony in Liquid Fe-S Alloy Saturated with Carbon.
• Phase Equilibria of Liquid Fe-S-C Ternary System.
• Copper Distribution between Molten FeS-NaS0.5 Flux and Carbon Saturated Iron Melt.
• Copper Distribution between FeS-Alkaline or -Alkaline Earth Metal Sulfide Fluxes and Carbon Saturated Iron Melt.

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