THE PRECIPITATION DIAGRAM OF [Ce]-[O]-[S] IN LIQUID IRON AND ITS APPLICATION

Acta Metall Sin

1986, Vol. 22

Issue (2): 61-67 DOI:

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THE PRECIPITATION DIAGRAM OF [Ce]-[O]-[S] IN LIQUID IRON AND ITS APPLICATION

DONG Yuanchi; HAN Qiyong (Beijing University of Iron and Steel Technology)

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DONG Yuanchi; HAN Qiyong (Beijing University of Iron and Steel Technology). THE PRECIPITATION DIAGRAM OF [Ce]-[O]-[S] IN LIQUID IRON AND ITS APPLICATION. Acta Metall Sin, 1986, 22(2): 61-67.

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Abstract A space precipitation diagram of [Ce]-[O]-[S] in pure liquid iron has been constructed by proper selection of the recent and correct experimental thermodynamical data collected from allied equilibrium systems of RE-O, RE-S and RE-O-S. The quantitative correlation between the activity of oxygen or sulphur and the constitution of RE inclusions formed has been evaluated theoretically by thermodynamical calculation. This was verified well by the experimental facts from which the correlation between the initial activities of oxygen and sulphur in liquid iron and the constitution of RE inclusions formed was also determined.

Received: 18 February 1986

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1986/V22/I2/61

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