| TiC对高钛渣电导率的影响 |
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| 引用本文： | 钟和香,王淑兰,张丽君.TiC对高钛渣电导率的影响[J].金属学报,2004,40(5):515-517. |
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| 作者姓名： | 钟和香 王淑兰 张丽君 |
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| 作者单位： | 东北大学化学系,沈阳,110004 |
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| 基金项目： | 国家自然科学基金 50274026 |
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| 摘 要： | 采用交流阻抗技术研究了在1723—1633K温度范围内24．3％CaO-23．3％SiO2—13．8％Al2O3—15．3％MgO-23．3％TiO2高钛渣的电导率与TiC含量及粒度的关系．结果表明，渣中的TiC为带电体，降低炉渣的电导率．当TiC含量为0．5％时，炉渣的电导率最小；增加TiC的粒度，炉渣电导率增加．根据炉渣恒温过程中电导率的变化规律，计算了钙钛矿相结晶反应的速率常数和活化能．
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| 关 键 词： | 高钛渣 电导率 TiC 动力学 |
| 文章编号： | 0412-1961(2004)05-0515-03 |
| 收稿时间： | 2003-08-20 |
| 修稿时间： | 2003-10-30 |
Effects of TiC on the Conductivities of Titania Slag |
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| ZHONG Hexiang,WANG Shulan,ZHANG Lijun.Effects of TiC on the Conductivities of Titania Slag[J].Acta Metallurgica Sinica,2004,40(5):515-517. |
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| Authors: | ZHONG Hexiang WANG Shulan ZHANG Lijun |
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| Affiliation: | Department of Chemistry, Northeastern University, Shenyang 110004 |
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| Abstract: | By an a.c. impedance technique, the effects of TiC particle on the conductivities of titania slag with composition of 24.3%CaO-23.3%SiO2-13.8%Al_2O_3 15.3%MgO-23.3%TiO_2 were studied in the temperature range of 1723 K to 1633 K. TiC particles in the slag are charge carriers and decrease the conductivities of the slag. The slag containing 0.5%TiC has the lowest conductivity. Increasing the particle size, the conductivities increase. The rate constants and the activation energy of the crystallization reaction of CaTiO_3 were calculated based on the first-order kinetic equation |
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| Keywords: | titania slag conductivity TiC kinetics |
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