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| ACTIVITY OF CaO IN LIQUID CaO-SiO_4-Al_2O_3 SYSTEM |
| by ZHANG Ziqing (Institute of Metal Research. Academia Sinica; Shenyang); ZHOU Jicheng; ZOU Yuanxi (Chou Yuan-hsi) (Shanghai Institute of Metallurgy; Academia Sinica); TIAN Yanwen (Northeast Institute of Technology; Shenyang) |
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Cite this article:
by ZHANG Ziqing (Institute of Metal Research. Academia Sinica; Shenyang); ZHOU Jicheng; ZOU Yuanxi (Chou Yuan-hsi) (Shanghai Institute of Metallurgy; Academia Sinica); TIAN Yanwen (Northeast Institute of Technology; Shenyang). ACTIVITY OF CaO IN LIQUID CaO-SiO_4-Al_2O_3 SYSTEM. Acta Metall Sin, 1986, 22(3): 76-84.
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Abstract With a view to evaluating the activity of CaO in the liquid system CaO-SiO_2-Al_2O_3, Sn was chosen as solvent for studying the slag-metal eqilibria. The results for 1600℃ thus obtained are believed to be more reasonable and trustworthy than previous investigations. An attempt has also been made to develop a graphical method for the analysis of data. By this means, some relatively accurate iso-activity curves of CaO have been obtained, and values of CaO activities in a wide range of composition in this melt can easily be obtained from the figures derived from experimental data by the authors. Inaddition, the amphoteric behaviour of Al_2O_3 has been determined quantitatively, and the results are believed to have practical significance in blast furnace smelting using high alumina slags.
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Received: 18 March 1986
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