| Kinetics of non-isothermal precipitation process of perovskite phase in oxidized Ti-bearing blast furnace slag |
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| 引用本文： | 王明玉 贺跃辉 王学文 娄太平 隋智通. Kinetics of non-isothermal precipitation process of perovskite phase in oxidized Ti-bearing blast furnace slag[J]. 中国有色金属学会会刊, 2007, 17(A01): 584-588 |
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| 作者姓名： | 王明玉 贺跃辉 王学文 娄太平 隋智通 |
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| 作者单位： | [1]School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China [2]State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China [3]School of Materials and Metallurgy, Northeastem University, Shenyang 110004, China |
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| 基金项目： | Project supported by the Postdoctoral Science Foundation of Central South University, China; Project（76112037） by the Science Foundation of Central South University, China |
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| 摘 要： |
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| 关 键 词： | 钛 合金 氧化技术 晶体 |
| 收稿时间： | 2007-07-15 |
| 修稿时间： | 2007-09-10 |
Kinetics of non-isothermal precipitation process of perovskite phase in oxidized Ti-bearing blast furnace slag |
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| WANG Ming-yu, HE Yue-hui, WANG Xue-wen, LU Tai-ping, SUI Zhi-tong. Kinetics of non-isothermal precipitation process of perovskite phase in oxidized Ti-bearing blast furnace slag[J]. Transactions of Nonferrous Metals Society of China, 2007, 17(A01): 584-588 |
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| Authors: | WANG Ming-yu HE Yue-hui WANG Xue-wen LU Tai-ping SUI Zhi-tong |
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| Affiliation: | WANG Ming-yu, HE Yue-hui, WANG Xue-wen, L0U Tai-ping, SUI Zhi-tong |
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| Abstract: | Kinetics of non-isothermal precipitation process and crystal growth of perovskite phase in oxidized Ti-bearing slag were investigated. The oxidized slag was obtained by blowing the air into the molten Ti-bearing blast furnace slag through a lance. The experimental results show that the cooling rate has important effect on precipitation and growth of perovskite phase in oxidized slag; the lower cooling rate is in favor of not only the increase of the volume fraction of perovskite phase, but also the growth of perovskite phase grain sizes. The particle coarsening in non-isothermal process has important effect on the crystal growth of perovskite phase. The relative volume fraction of perovskite phase could be approximately described by JMAK equation, and the experiential expression of the average crystal radius of perovskite phase was also obtained. |
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| Keywords: | Ti-bearing slag oxidation crystallization kinetics |
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