Measurement on interaction parameter between CO and Al in molten high Al steel

Ningning Lv, Xu Gao, Shigeru Ueda, Shin ya Kitamura

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Nowadays Al is commonly used as deoxidizer and sometimes alloying element. On the other hand, due to the increase in scrap addition, suppress in the concentration of tramp element in molten steel during refining process becomes more important than ever. Co is one of the tramp elements in steel scrap and its content is increasing due to the increase in the production of Co materials world widely. As fundamentals to understand the thermodynamic behaviors of Co in the molten steel containing high Al, the interaction parameter between Co and Al has been measured in this study through a chemical equilibrium method. From the equilibrium composition of the Fe–Co–Al alloy and Ag, the interaction parameter between Co and Al in molten Fe–Co–Al alloy was determined as follows, Al εCo = 7.3±0.9 at 1 823 K, 0< XAl Fe < 0.14 By converting the temperature and the reference state, the following values were also obtained, εCo Al = 6.9±0.8 at 1 823 K eCo Al = 0.060±0.007 at 1 873 K eAl Co = 0.030±0.004 at 1 873 K

本文言語English
ページ(範囲)2258-2261
ページ数4
ジャーナルIsij International
58
12
DOI
出版ステータスPublished - 2018 12

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 金属および合金
  • 材料化学

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