Thermodynamics of oxygen, nitrogen and sulfur in liquid iron equilibrated with CaO‐TiO  x   and CaO‐Al 2 O 3 ‐TiO  x   melts | Zendy

Kishi Mikine | Zendy; Suito Hideaki | Zendy

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Thermodynamics of oxygen, nitrogen and sulfur in liquid iron equilibrated with CaO‐TiO x and CaO‐Al 2 O 3 ‐TiO x melts

Author(s) -

Kishi Mikine,

Suito Hideaki

Publication year - 1994

Publication title -

steel research

Language(s) - English

Resource type - Journals

eISSN - 1869-344X

pISSN - 0177-4832

DOI - 10.1002/srin.199401068

Subject(s) - sulfur , crucible (geodemography) , nitrogen , oxygen , nitride , sulfide , chemistry , inorganic chemistry , metal , activity coefficient , metallurgy , analytical chemistry (journal) , materials science , layer (electronics) , computational chemistry , organic chemistry , chromatography , aqueous solution

Equilibria between CaO‐TiO x or CaO‐Al 2 O 3 ‐TiO x melts and liquid iron with respect to O, N and S were studied at 1873 K as a function of Ti (or Al) content in metal, using a CaO or an Al 2 O 3 crucible. The Al‐O and Ti‐O relations in liquid iron were studied, and nitride and sulfide capacities defined by and , respectively, were obtained from nitrogen and sulfur distribution ratios, coupled with the analyzed oxygen content in liquid iron or the P O2 determined by Ti/TiO 2 equilibrium. Based on these results, activities of Al 2 O 3 and activity coefficients of TiO 2 and TiO 1.5 were evaluated.

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