Thermodynamic Activity of SiO2 in CaO–SiO2–Al2O3–MnO–MgO System Molten Slags

To understand the thermodynamic characteristics of the reaction between Al and SiO2 during the continuous casting process of the high-aluminum steel, the activity coefficients of SiO2 and MnO in molten slags of (18–43%) CaO-(33–64%) SiO2-(9–21%) Al2O3-(2–3%) MgO-(

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Published in:ISIJ International 2022/07/15, Vol.62(7), pp.1341-1351
Main Authors: Chen, Jian-Bin, Luan, Huai-Zhuang, Huang, Hong-Hong, Zhao, Ming-Hui, Pan, Wen-Bo, Chen, Zhi-Yu
Format: Article
Language:English
Subjects:
activity
activity coefficient
high aluminum steel
MnO
mold flux
SiO2
slag
thermodynamics
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description To understand the thermodynamic characteristics of the reaction between Al and SiO2 during the continuous casting process of the high-aluminum steel, the activity coefficients of SiO2 and MnO in molten slags of (18–43%) CaO-(33–64%) SiO2-(9–21%) Al2O3-(2–3%) MgO-(
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The effects of SiO2, Al2O3, the basicity, the radio of CaO/Al2O3 and the temperature on the activity coefficients of SiO2 and MnO in molten slag were discussed. 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The effects of SiO2, Al2O3, the basicity, the radio of CaO/Al2O3 and the temperature on the activity coefficients of SiO2 and MnO in molten slag were discussed. The quadratic regression relationships among the activity coefficient of SiO2 or MnO, the concentration of component, the basicity and the temperature were investigated by the regression analysis method.</abstract><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/isijinternational.ISIJINT-2022-018</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record>
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subjects activity
activity coefficient
high aluminum steel
MnO
mold flux
SiO2
slag
thermodynamics
title Thermodynamic Activity of SiO2 in CaO–SiO2–Al2O3–MnO–MgO System Molten Slags
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