Viscosity of Blast Furnace Type Slags

Noritaka Saito, Naoto Hori, Kunihiko Nakashima, Katsumi Mori

Research output: Contribution to journalArticlepeer-review

180 Citations (Scopus)


The effect of MgO, TiO2, or Fe2O3 on the viscosity of 40CaO-40SiO2-20Al2O3 (mass pet) slags has been measured by the rotating crucible viscometer. Viscosity of these quaternary slags decreased with an increase in the content of additive oxide. At the same content of additive oxide, the viscosity decreases from MgO, TiO2 to Fe2O3. In addition, the effect of SiO2 or Al2O3 on the viscosity of 26.1CaO-73.9Fe2O3 (mass pet) (CF) and 14.9CaO-85.1Fe 2O3 (mass pct) (CF2) slags has been measured. Viscosity of calcium ferrite slags increased with increasing SiO2 or Al2O3 content. Al2O3 was found to be more effective for increasing the viscosity at the same content of the additive oxide.

Original languageEnglish
Pages (from-to)509-516
Number of pages8
JournalMetallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Issue number5
Publication statusPublished - Oct 2003

All Science Journal Classification (ASJC) codes

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


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