Journal
JOURNAL OF PHASE EQUILIBRIA AND DIFFUSION
Volume 37, Issue 3, Pages 277-292Publisher
SPRINGER
DOI: 10.1007/s11669-016-0454-2
Keywords
CALPHAD; equilibria; Fe-Ca-S; Fe-Mg-O; Fe-Mg-S; ionic two-sublattice liquid model; steelmaking
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Funding
- KTH Royal Institute of Technology
- Outokumpu Stainless Foundation
- Ovako
- SSAB EMEA
- Thermo-Calc Software
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Thermodynamic descriptions of the Fe-Mg-O, Fe-Ca-S and Fe-Mg-S systems are all important in order to perform thermodynamic calculations related to the steelmaking process. The experimental information of many sulphur-containing systems, including Fe-Ca-S and Fe-Mg-S, is lacking and they are here thus approximated to behave similarly to the corresponding oxygen systems. This study presents a description of the Fe-Mg-O system in good agreement with experimental information. Additionally, descriptions of the Fe-Ca-S and Fe-Mg-S systems are presented. These descriptions may be reasonable estimations considering the lack of experimental information.
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