Ca-O EQUILIBRIA IN LIQUID Fe AND Fe-C ALLOYS

Acta Metall Sin

1988, Vol. 24

Issue (1): 77-81 DOI:

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Ca-O EQUILIBRIA IN LIQUID Fe AND Fe-C ALLOYS

WANG Pengfei;HAN Qiyong Beijing University of Iron and Steel Technology

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WANG Pengfei;HAN Qiyong Beijing University of Iron and Steel Technology. Ca-O EQUILIBRIA IN LIQUID Fe AND Fe-C ALLOYS. Acta Metall Sin, 1988, 24(1): 77-81.

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Abstract Ca-O equilibria in liquid Fe and Fe-C (C≤0.83 wt-%) have beendetermined by means of Ca vapor method in a sealed Mo chamber. The differenceof the equilibrium constants between them are quite small. Following results wereobtained for Fe-Ca-O system at 1600℃:K_(Ca-O)=4.3×10~(-8), e_O~(Ca)=-178

Key words: calcium oxygen molten iron equilibrium constent interaction coefficient

Received: 18 January 1988

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