Kinetics of reactions between MnO based slag and Fe-C-P-Si-S alloy

Etsurou Shibata, Haiping Sun, Katsumi Mori

研究成果: Article査読

11 被引用数 (Scopus)

抄録

The kinetics of reaction between MnO based slag and Fe-C-P-Si-S alloy was examined at 1450°C and the results were analyzed using a kinetic model. MnO in the slag was found to be a good agent for desulfurization, and oxidation of other impurities in the iron alloys; Phosphorus and silicon present in the metal did not affect the rates of decarburization and desulfurization, but the reduction rate of MnO in the slag increased. Dephosphorization rate was more rapid with increasing the initial content of sulfur in the metal, while the rate was suppressed as the content of silicon in the metal increased. These results were well simulated by a kinetic model developed for a slag-metal reaction. The present modeling study suggested that decarburization was controlled by the chemical reaction at slag-metal interface, and the other reactions were controlled by the mass transports in slag and/or metal phases.

本文言語English
ページ(範囲)575-580
ページ数6
ジャーナルTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
82
7
DOI
出版ステータスPublished - 1996
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 物理化学および理論化学
  • 金属および合金
  • 材料化学

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