ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Influence of Neodymium on the Deoxidation and Desulfurization Equilibria of Liquid Iron in the Fe–Nd–O–S(–Al) System at 1 873 K
Hideki OnoYasuhisa TachiiriKatsuhiro YamaguchiTateo Usui
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2009 Volume 49 Issue 11 Pages 1656-1660

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Abstract

Deoxidation and desulfurization equilibria of liquid iron, as influenced by neodymium, were investigated at a temperature of 1 873 K. The following thermodynamic values for neodymium deoxidation and desulfurization were derived:

[Equation]

Using the thermodynamic data derived in this study, deoxidation and desulfurization equilibria of liquid iron by neodymium are presented for the Fe–Nd–O–S system. Moreover, the interaction parameter, Al for Nd (eNdAL) was determined to be 4.9(±4.1) at 1 873 K.

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© 2009 by The Iron and Steel Institute of Japan
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