The Influence of Al_2O_3/SiO_2 Ratio in the Viscosity of Mold Fluxes
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概要
- 論文の詳細を見る
The present paper investigates how the XAl2O3/XSiO2 ratio in mold slag compositions in a range between 0.06 and 2.14 influences the viscosity of the melt. The objective was to study the variation in viscosity of mould slags if they get enriched in Al2O3 as a result of reactions during continuous casting with high Al containing steel melts for manufacturing TRIP steels.The viscosity was found to increase with increasing XAl2O3/XSiO2 ratio but a change in the degree of increase was noted at a ratio of 0.57. The effect of increasing temperature was investigated and it was shown that viscosity decreased, as expected, with increasing temperature. An available model in literature for predicting the mold-slag viscosity was empirically modified to account for high Al2O3 contents investigated in this study.Increasing XAl2O3/XSiO2 did not appear to influence the vaporization loss of F but increasing the ratio did influence crystallization by promoting the precipitation of CaF2 during slow cooling of samples with a high XAl2O3/XSiO2 ratio (0.84 and 2.14).
- 社団法人 日本鉄鋼協会の論文
- 2008-06-15
著者
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Sridhar Seetharaman
Dep. Of Material Sci. & Engineering Carnegie Mellon Univ.
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Sridhar Seetharaman
Department Of Materials Science And Engineering Carnegie Mellon University
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Zhang Zuotai
Department of Materials Science and Engineering, Carnegie Mellon University
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Wen Guanghua
Department of Materials Science and Engineering, Carnegie Mellon University
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Tang Ping
Department of Materials Science and Engineering, Chongqing University
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Zhang Zuotai
Department Of Materials Science And Engineering Carnegie Mellon University
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Wen Guanghua
Dep. Of Metallurgy Coll. Of Materials Sci. And Engineering Chongqing Univ.
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Tang Ping
Dep. Of Metallurgy Coll. Of Materials Sci. And Engineering Chongqing Univ.
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Zhang Zuotai
Department Of Energy And Resources Engineering College Of Engineering Peking University
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Zhang Zuotai
Department of Energy and Resources Engineering and Beijing Key Laboratory for Solid Waste Utilization and Management, College of Engineering, Peking University
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