MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Thermodynamic Interactions of Nb and Mo on Ti in Liquid Iron
Tae-In ChungJoong-Beom LeeJin-Goo KangJong-Oh JoBo-Ho KimJong-Jin Pak
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2008 Volume 49 Issue 4 Pages 854-859

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Abstract

Thermodynamic interactions of niobium and molybdenum on titanium in liquid iron were studied in the temperature range of 1873∼1973 K by measuring the effects of niobium and molybdenum on the solubility product for TiN formation in liquid iron using the metal-nitride-gas equilibration technique. The experimental results were thermodynamically analyzed using Wagner’s interaction parameter formalism to determine the first-order interaction parameters of niobium and molybdenum on titanium in liquid iron as 0.0495±0.0049 and 0.01±0.0026, respectively, at 1873 K. Temperature dependence of these parameters was also determined as follows. e_Ti^Nb = 1160/T - 0.570, e_Ti^Mo = 0.01 (1873∼1973 K)

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© 2008 The Japan Institute of Metals and Materials
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