Effect of Additive Oxides on the Viscosities of CaO-SiO2-Al2O3 and CaO-Fe2O3 Melts
Saito, Noritaka, Hori, Naoto, Nakashima, Kunihiko and 1 more
High Temperature Materials and Processes · 2003
doi:10.1515/htmp.2003.22.3-4.129 (opens in a new tab)
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Abstract
The effects of MgO, TiO 2 or Fe 2 O 3 on the viscosity of 40CaO-40SiO 2 -20Al 2 O 3 /mass% slags have been measured by a rotating crucible viscometer. The viscosity of these quaternary slags decreased with increasing the content of additive oxide. At the same content of additive oxide, the viscosity decreases from MgO, TiO 2 to Fe 2 O 3 . In addition, the effects of SiO 2 , Al 2 O 3 or MgO on the viscosity of 26.1CaO-73.9Fe 2 O 3 / mass% (CF) and 14.9CaO-85.1Fe 2 O 3 / mass% (CF 2 ) slags have been measured. Viscosity of calcium ferrite slags increased with increasing SiO 2 , Al 2 O 3 or MgO content. Al 2 O 3 was found to be more effective for increasing the viscosity at the same content of additive oxide.
Abstract licence: CC BY-NC-ND
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