THERMODYNAMICS OF Fe-Mn-C-P MELTS CONTAINING HIGH Mn

Acta Metall Sin

1995, Vol. 31

Issue (18): 241-246 DOI:

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THERMODYNAMICS OF Fe-Mn-C-P MELTS CONTAINING HIGH Mn

GUO Shangxing; DONG Yuanchi(East China Institute of Metallurgy; Ma'anshan 243002)

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GUO Shangxing; DONG Yuanchi(East China Institute of Metallurgy; Ma'anshan 243002). THERMODYNAMICS OF Fe-Mn-C-P MELTS CONTAINING HIGH Mn. Acta Metall Sin, 1995, 31(18): 241-246.

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Abstract The solubility of carbon in Fe-Mn-C-P melts containing high manganese Was determined at 1400℃.The solubility data can be expressed as: N_C＝0.1961＋0．1183N_(Mn)- 0.8525 Np The interaction coefficients between Mn and C,P and C in this melt were obtained as follows: ε_C ~（Mn）＝－1．67，ρ_C ~(Mn)＝0．29，ε_C ~P＝11．00，ρ_C ~P＝10．82 The activity coefficients of Mn,P and Solvent Fe in melts containing high Mn were estimated.

Key words: Fe-Mn-C-P system melt manganese activity coefficient interaction coefficient

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