Liquidus Relationships in the CaO-corner of the Ternary System CaO-Al2O3-SiO2

Liquidus Relationships in the CaO-corner of the Ternary System CaO-Al2O3-SiO2

Saturation lines of CaO, 2CaO·SiO2 and 3CaO·SiO2 in the system CaO-Al2O3-SiO2 were determined at 1600 and 1700°C using a technique of solid phase dissolution in a liquid slag phase. The liquidus surface of 3CaO·SiO2 phase was found to be larger than expected. The solubility of 2CaO·SiO2 was found to...

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Veröffentlicht in:ISIJ International 1996/12/15, Vol.36(12), pp.1465-1470
Hauptverfasser: Görnerup, M., Wijk, O.
Format: Artikel
Sprache:eng
Schlagworte:
2CaO·SiO2
3CaO·SiO2
Applied sciences
CaO
CaO-Al2O3-SiO2-system
Exact sciences and technology
Metallurgical fundamentals
Metals. Metallurgy
Production of metals
saturation
slag
steelmaking
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Zusammenfassung:Saturation lines of CaO, 2CaO·SiO2 and 3CaO·SiO2 in the system CaO-Al2O3-SiO2 were determined at 1600 and 1700°C using a technique of solid phase dissolution in a liquid slag phase. The liquidus surface of 3CaO·SiO2 phase was found to be larger than expected. The solubility of 2CaO·SiO2 was found to be higher, especially at 1700°C, and the CaO solubility was found to be lower then previously known. Finally, the solubility of 2CaO·SiO2 in the binary system CaO-SiO2 was determined to be 2.5-3 wt% higher than in the currently accepted system.
ISSN:0915-1559
1347-5460
DOI:10.2355/isijinternational.36.1465