Reaction Mechanism between Solid CaO and FeO_x-CaO-SiO_2-P_2O_5 Slag at 1 573K
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概要
- 論文の詳細を見る
Solid CaO and FeOx–CaO–SiO2–P2O5 slag were reacted for 2 to 2 400 s at 1 573 K. The interface of CaO and slag were observed and analyzed by SEM/EDS. The CaO–FeO layer was formed beside solid CaO. The thickness of the CaO–FeO layer increased with time. Next to the CaO–FeO layer, 2CaO·SiO2 phase was formed in the melt and high content of FeO was included in the liquid. The activities of FeO and CaO for each phase were evaluated and reaction mechanism between solid CaO and FeOx–CaO–SiO2–P2O5 slag was discussed. The activity of FeO for 2CaO·SiO2 saturated melt is larger than that for the CaO–FeO layer, therefore, Fe2+ diffuses from slag phase to solid CaO. Then the CaO–FeO layer is formed beside solid CaO. The pass of the slag composition change accompanied by CaO dissolution are represented in the phase diagram for the FeOx–CaO–(SiO2+P2O5) pseudo ternary system.
- 社団法人 日本鉄鋼協会の論文
- 2006-04-15
著者
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TSUKIHASHI Fumitaka
Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of To
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Tsukihashi Fumitaka
Department Of Advanced Materials Science Graduate School Of Frontier Sciences The University Of Toky
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Tsukihashi Fumitaka
Department Of Advanced Materials Graduate School Of Frontier Science The University Of Tokyo
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HAMANO Tasuku
Department of Materials Science and Engineering, Waseda University
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Hamano Tasuku
School Of Materials Science And Engineering University Of New South Wales
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Hamano Tasuku
Department Of Advanced Materials Science Graduate School Of Frontier Sciences The University Of Toky
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FUKAGAI Shinya
Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of To
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Tsukihashi Fumitaka
Graduate School Of Frontier Sciences The Univ. Of Tokyo
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Tsukihashi Fumitaka
Department Of Advanced Materials Science Graduate School Of Frontier Sciences The University Of Toky
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Fukagai Shinya
Department Of Advanced Materials Science Graduate School Of Frontier Sciences The University Of Toky
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Tsukihashi Fumitaka
Department Of Advanced Material Science The University Of Tokyo
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