| 宽厚板包晶钢的保护渣 |
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| 引用本文： | 巴钧涛,文光华,唐萍,赵艳红,迟景灏,职建军,徐国栋.宽厚板包晶钢的保护渣[J].北京科技大学学报,2009,31(6). |
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| 作者姓名： | 巴钧涛 文光华 唐萍 赵艳红 迟景灏 职建军 徐国栋 |
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| 作者单位： | 1. 重庆大学材料科学与工程学院,重庆,400044
2. 宝山钢铁股份有限公司炼钢部,上海,201900 |
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| 基金项目： | 重庆市科委自然科学基金计划资助项目(No.CSTC/2008BB4036);;宝山钢铁股份有限公司资助项目(No.4207520070397) |
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| 摘 要： | 针对包晶钢的凝固特性,研发了高碱度、高结晶速率、低结晶温度及低热流密度保护渣,并在宝钢3#连铸机上进行了试验研究.现场试验四个浇次的结果表明,使用改进渣的试验流铸坯无纵裂发生,而使用原渣的对比流铸坯裂纹率达到5%.优化保护渣有效防止了铸坯表面纵裂的发生.
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| 关 键 词： | 保护渣 渣膜 表面纵裂 热流密度 结晶速率 结晶温度 |
Mold fluxes of peritectic steel for wide and thick slabs |
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| BA Jun-tao,WEN Guang-hua,TANG Ping,ZHAO Yan-hong,CHI Jing-hao,ZHI Jian-jun,XU Guo-dong.Mold fluxes of peritectic steel for wide and thick slabs[J].Journal of University of Science and Technology Beijing,2009,31(6). |
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| Authors: | BA Jun-tao WEN Guang-hua TANG Ping ZHAO Yan-hong CHI Jing-hao ZHI Jian-jun XU Guo-dong |
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| Abstract: | According to the solidified characteristic of peritectic steel for wide and thick slabs,mold fluxes with high basicity,high crystallization rate,low crystallization temperature and low heat flux density were developed and experimentally studied on 3# Caster at BaoSteel.The trial results of 4 casting times showed that experimental strands produced with the developed mold fluxes had not surface longitudinal cracks,but the surface longitudinal crack ratio of strands produced with original mold fluxes was 5%.Th... |
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| Keywords: | mold fluxes slag film surface longitudinal crack heat flux density crystallization rate crystallization temperature |
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