Thermodynamics of Titanium, Nitrogen and TiN Formation in Liquid Iron

Title
Thermodynamics of Titanium, Nitrogen and TiN Formation in Liquid Iron
Author
박종진
Keywords
liquid iron; titanium; nitrogen; TN; equilibrium constant; interaction parameters
Issue Date
2007-08
Publisher
IRON STEEL INST JAPAN KEIDANREN KAIKAN
Citation
ISIJ INTERNATIONAL, v. 47, No. 8, Page. 1082-1089
Abstract
Thermodynamics of titanium, nitrogen and TiN formation in liquid iron was investigated using the metal-nitride-gas equilibration under different nitrogen partial pressures in the temperature range of 1873-1973 K. The nitrogen solubility in liquid iron increased with increasing titanium content. Pure solid TiN was formed at critical contents of titanium and nitrogen in liquid iron. The experimental results were thermodynamically analyzed using Wagner's interaction parameter formalism to determine the first-order interaction parameter between titanium and nitrogen, the first-order self interaction parameter of titanium, and the equilibrium constant for the dissolution of pure solid TiN in liquid iron given as follows.
URI
https://www.jstage.jst.go.jp/article/isijinternational/47/8/47_8_1082/_article/-char/ja/http://repository.hanyang.ac.kr/handle/20.500.11754/106869
ISSN
0915-1559; 1347-5460
DOI
10.2355/isijinternational.47.1082
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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