| 硅微粉结合SiC窑具氧化动力学 |
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| 引用本文： | 阮玉忠,于岩,吴万国,杜育红,林春莺.硅微粉结合SiC窑具氧化动力学[J].无机化学学报,1999,15(1):110-113. |
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| 作者姓名： | 阮玉忠 于岩 吴万国 杜育红 林春莺 |
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| 作者单位： | 福州大学化工系,福州,350002 |
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| 基金项目： | 福建省重点科技计划资助项目 |
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| 摘 要： | The SiC sagger bonded with silica fume can react with oxygen at high temperatue which results in a descent of SiC content and shortens the life of the sagger. The oxidization rats is greater at higher temperature. The addition of MnO2 mineralizer makes the binding layer more stable, denser and more homogeneous, which obstructs the diffusion of O2 and lowers the rate of oxidization. The kinetic equations for oxidation of SiC sagger with mineralizer are G(1100℃)=1.67×10-4τ0.72, G(1300℃)=4.22×10-4τ0.98 and those without mineralizer are G(1100℃)=9.88×10-4 τ0.48, G(1300℃)=1.72×10-3 τ0.70 and those without mineralizer are G(1100℃)=1.67×10-4 τ0.72, G(1300℃)=4.22×10-4 τ0.98.
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| 关 键 词： | 硅微粉 碳化硅窑具 氧化动力学 矿化剂 |
KINETICS OF OXIDATION OF SiC SAGGER BONDED WITH SILICA FUME |
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| RUAN Yu-Zhong,YU Yan,WU Wan-Guo,DU Yu-Hong and LIN Chun-Ying.KINETICS OF OXIDATION OF SiC SAGGER BONDED WITH SILICA FUME[J].Chinese Journal of Inorganic Chemistry,1999,15(1):110-113. |
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| Authors: | RUAN Yu-Zhong YU Yan WU Wan-Guo DU Yu-Hong and LIN Chun-Ying |
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| Institution: | Department of chemical Engineering, Fuzhou University, Fuzhou 350002,Department of chemical Engineering, Fuzhou University, Fuzhou 350002,Department of chemical Engineering, Fuzhou University, Fuzhou 350002,Department of chemical Engineering, Fuzhou University, Fuzhou 350002 and Department of chemical Engineering, Fuzhou University, Fuzhou 350002 |
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| Abstract: | |
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| Keywords: | silica fume carborundum sagger kinetics of oxidation mineralizer |
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