Thermodynamic observations of the molten FeS-FeO system and its vicinity at 1473 K

Authors
Nagamori, M Yazawa, A
Citation
M. Nagamori et A. Yazawa, Thermodynamic observations of the molten FeS-FeO system and its vicinity at 1473 K, MET MAT T B, 32(5), 2001, pp. 831-837
Citations number
17
Categorie Soggetti
Metallurgy
Journal title
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
ISSN journal
10735615 → ACNP
Volume
32
Issue
5
Year of publication
2001
Pages
831 - 837
Database
ISI
SICI code
1073-5615(200110)32:5<831:TOOTMF>2.0.ZU;2-X
Abstract
The Fe-S-O melts were equilibrated with the CO-CO2-SO2 gases at 1473 K unde r a S-2 (g) partial pressure of 0.0004 atm (=0.041 kPa). This S-2 isobar ru ns on both sides of the pseudobinary FeSFeO system, thus adding a continuou s extension to the isobaric network Of S-2 and O-2 in the literature. The a ctivities of S-2 (g), O-2 (g), Fe (gamma), FeS (L), FeO (L), FeO1.33 (s), a nd FeO1.5 (s) were calculated in the vicinity of the pseudobinary FeS-FeO m elt. The activity of magnetite FeO1.33 (s) was observed to be greater than that of FeO (L) in the ferrous binary FeS-FeO melts containing 35 to 55 mol pct FeO.