Phase-diagram study for the Al2O3-CaF2-SiO2 system

Shigeru Ueda, Masafumi Maeda

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Phase relations for the Al2O3-CaF2-SiO2 system were investigated from 1673 to 1723 K. The hot-filament technique was applied to observe a two-liquid region and liquidus for the ternary system. The liquidus saturated with SiO2 was investigated at 1673 K by using the hot-filament technique and the chemical equilibrium technique. In this system, the addition of Al2O3 to the CaF2-SiO2 system reduces the congruent temperature. A small substitution of Al2O3 for CaF2 increases the solubility of SiO2, namely, if the region of liquid phase could be enlarged. These results suggest that Al2O3 would be an effective substitute of CaF2 in slag for steelmaking.

本文言語English
ページ(範囲)921-925
ページ数5
ジャーナルMetallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
30
5
DOI
出版ステータスPublished - 1999 1 1
外部発表はい

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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