Thermodynamics of molten MnS-CrS-FeS system at 1 843 K

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Phase equilibria in Fe-Cr-Mn-S quaternary system at 1 843 K were investigated experimentally. Two liquid phases: molten metal alloy phase and molten sulfide phase were in equilibrium in this system at 1 843 K. The equilibrium relations between molten metal alloy and sulfide phases were experimentally measured. By using metal/sulfide equilibrium method, activity of constituents in molten MnS-CrS-FeS sulfide phase were determined. By utilizing regular solution model, activity curves of constituents in sulfide phase were estimated.

Original languageEnglish
Pages (from-to)2355-2359
Number of pages5
JournalISIJ International
Issue number9
Publication statusPublished - 2021


  • Activity
  • Phase equilibrium
  • Regular solution model
  • Sulfide inclusion
  • Thermodynamics


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