Acta Metallurgica Sinica (English Letters) ›› 1991, Vol. 4 ›› Issue (7): 13-17.

• Research paper • Previous Articles     Next Articles

EQUILIBRIA OF Sr,Ba AND O,S IN LIQUID Fe

YUE Kexiang DONG Yuanchi East China Institute of Metallurgy,Ma'anshan,China   

  • Received:1991-07-11 Revised:1991-07-11 Online:1991-07-11 Published:2009-10-10

Abstract: The equilibrium constants between Sr-O,Ba-O and Sr-S,Ba-S in liquid iron at 1570℃ and the interaction coefficients concerning these elements have been determined as follows: K_(Sro)=1.897×10~(-7),e_O~(Sr)=-43.8 K_(BaO)=8.204×10~(-8),e_O~(Ba)=-98.0 K_(SrS)=8.356×10~(-7),e_S~(Sr)=-3.9 K_(BaS)=4.083×10~(-7),e_S~(Ba)=-3.5

Key words: equilibrium, strontium, barium, deoxidization, desulphurization