| 氧化钛对含钛不锈钢连铸保护渣性能的影响 |
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| 引用本文： | 郝占全,陈伟庆,茅洪祥.氧化钛对含钛不锈钢连铸保护渣性能的影响[J].过程工程学报,2009,9(3):514-519. |
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| 作者姓名： | 郝占全 陈伟庆 茅洪祥 |
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| 作者单位： | 1. 北京科技大学冶金与生态工程学院,北京,100083
2. 青岛斯多伯格三一冶金材料有限公司,山东,青岛,266300 |
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| 摘 要： | 针对含钛不锈钢连铸过程结晶器液渣层中TiO2含量明显增加的问题，以配制的含钛保护渣研究了TiO2对不同碱度保护渣的结晶温度、熔化温度、粘度和凝固温度的影响. 结果表明，碱度为0.85时，4.5%的TiO2使渣的结晶温度降低，继续增加TiO2含量，结晶温度不再变化；碱度为1时，随TiO2含量增加，结晶温度先降低后升高，TiO2含量12%时，结晶温度显著升高主要是钙钛矿高温析出造成的. TiO2在0~12%范围增加时，提高了保护渣的熔化温度，降低了保护渣的粘度和凝固温度.
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| 关 键 词： | 保护渣 TiO2 结晶温度 熔化温度 粘度 |
| 收稿时间： | 2009-1-5 |
| 修稿时间： | 2009-2-25 |
Effect of Titania Content on Physicochemical Properties of Mould Flux in Titanium Stabilized Stainless Steel |
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| HAO Zhan-quan,CHEN Wei-qing,carstell Lippold,MAO Hong-xiang.Effect of Titania Content on Physicochemical Properties of Mould Flux in Titanium Stabilized Stainless Steel[J].Chinese Journal of Process Engineering,2009,9(3):514-519. |
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| Authors: | HAO Zhan-quan CHEN Wei-qing carstell Lippold MAO Hong-xiang |
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| Affiliation: | 1. School of Metallurgical and Ecological Engineering;University of Science and Technology Beijing;Beijing 100083;China;2. Qingdao Stollberg & Samil Co. Ltd.;Qingdao;Shandong 266300;China |
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| Abstract: | Considering that the TiO2 content in molten mould slag increases markedly during casting of titanium stabilized stainless steel and other steel grades, which affects the properties of the molten mould slag, mould fluxes were prepared, and the effect of TiO2 on crystallization temperature, melting temperature, viscosity and solidification temperature was examined. The results show that for the mould flux with basicity 0.85, its crystallization temperature was decreased by addition of 4.5% TiO2, then kept con... |
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| Keywords: | mould flux TiO2 crystallization temperature melting temperature viscosity |
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