Modeling of Oxide Precipitates Chemical Composition During Steel Deoxidization

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Modeling of Oxide Precipitates Chemical Composition During Steel Deoxidization

The work analyses the possibilities of modeling the process of steel deoxidization from the view-point of thermodynamic equilibrium between liquid steel and oxide precipitates. Two calculation procedures were employed, which make use of WYK_STAL authors' program and commercial software FactSage. Two kinds of steel were taken into account, one with considerable titanium addition and the second without titanium. The variation of chemical composition of non-metallic precipitates with titanium concentration, aluminum addition and temperature was determined. The apparent influence of assumed thermodynamic model on the composition of non-metallic precipitate was stated.

J. Iwanciw, D. Podorska, J. Wypartowicz, Simulation of oxygen and nitrogen removal from steel by means of titanium and aluminum, Arch. Met. Materials, in print.

J. Iwanciw, Simulator of Steelmaking Processes for Work in Real Time, Polska Metalurgia w latach 1998-2002, Komitet Metalurgii Polskiej Akademii Nauk. I, 186-192.

C. Wagner, Thermodynamics of Alloys, Addison-Wesley Press, Cambridge, Mass., 1951.

Archives of Metallurgy and Materials

The Journal of Institute of Metallurgy and Materials Science and Commitee on Metallurgy of Polish Academy of Sciences

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