| 还原气氛下Si-B2O3-TiO2系反应的热力学分析 |
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| 引用本文： | 阮国智,李远兵,李楠.还原气氛下Si-B2O3-TiO2系反应的热力学分析[J].硅酸盐通报,2003,22(5):86-88,91. |
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| 作者姓名： | 阮国智 李远兵 李楠 |
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| 作者单位： | 武汉科技大学高温陶瓷与耐火材料湖北省重点实验室,武汉,430081 |
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| 摘 要： | 通过热力学计算，探讨Si-B2O3-TiO2系在还原性气氛下TiB2，Ti(C，N)的可能性、生成途径以及产物在此体系中的相对稳定性。结果表明：Si-B2O3-TiO2系在还原性气氛下TiB2的生成有2种可能性，生成物中TiB2要比TiN和TiC稳定。在1843K左右，TiC和TiN可以形成固溶体Ti(C，N)。
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| 关 键 词： | 硅热法 热力学 Si-B2O3-TiO2系 TiB2 氧化硼 氧化钛 硼化钛 |
Thermodynamic Analysis of TiB2 Composite by Silicothermic Reaction in Reducing Atmosphere |
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| Ruan,Guozhi,Li,Yuanbing,Li,Nan.Thermodynamic Analysis of TiB2 Composite by Silicothermic Reaction in Reducing Atmosphere[J].Bulletin of the Chinese Ceramic Society,2003,22(5):86-88,91. |
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| Authors: | Ruan Guozhi Li Yuanbing Li Nan |
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| Abstract: | TiB 2-Ti(C,N) composites were obtained by silicothermic reaction in reducing atmosphere.In this paper,the possibility,route and stability of resultant in Si-B 2O 3-TiO 2 system under the nitrogen and carbon monoxide were investigated by the thermodynamic calculation.The results show that there are two routes to produce TiB 2 and TiB 2 is more stable than TiC and TiN at about 1843K,TiN and TiC can form solid solution-Ti(C,N). |
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| Keywords: | silicothermic method thermodynamics TiB 2 |
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