| 唐钢FTSC薄板坯纵裂纹的工艺原因分析和控制措施 |
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| 引用本文： | 田启新,马建锋,丁广友,孙彩君.唐钢FTSC薄板坯纵裂纹的工艺原因分析和控制措施[J].南方金属,2007(3):10-13. |
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| 作者姓名： | 田启新 马建锋 丁广友 孙彩君 |
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| 作者单位： | 唐山钢铁集团有限责任公司,河北,唐山,063020 |
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| 摘 要： | 根据唐钢FTSC薄板坯连铸机的生产实践,对铸坯表面纵裂纹的特征和形成过程进行了深入的研究,重点分析和总结了钢中C含量,S含量,锥度控制,保护渣性能,拉速和过热度,设备状态等对表面纵裂纹的影响,并提出了相应的控制措施.
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| 关 键 词： | 薄板坯连铸 表面纵裂纹 控制措施 唐钢 FTSC 板坯纵裂纹 工艺 分析 控制措施 Steel Tang thin slab longitudinal crack prevention analysis 影响 铸坯表面纵裂纹 状态 设备 过热度 拉速 保护渣性能 锥度 |
| 文章编号： | 1009-9700(2007)03-0010-04 |
| 修稿时间： | 2006-08-07 |
Failure analysis and prevention of longitudinal crack on FTSC thin slab in Tang Steel |
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| TIAN Qi-xin,MA Jian-fen,DING Guang-you,SUN Cai-jun.Failure analysis and prevention of longitudinal crack on FTSC thin slab in Tang Steel[J].Southern Metals,2007(3):10-13. |
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| Authors: | TIAN Qi-xin MA Jian-fen DING Guang-you SUN Cai-jun |
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| Affiliation: | Tangshan Iron and Steel Group Co. , Ltd. , Tangshan , Hebei |
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| Abstract: | An investigation was made of the features and formation mechanism of the longitudinal surface cracks occurring on FTSC thin slab, based on the production experience with the FTSC caster at Tang Steel. It was found that carbon and sulfur contents in steel, the taper of the slab, the performance of mould flux, the casting velocity, and the superheating degree of the molten steel had striking effects on the formation of the crack. Corresponding preventive measures against the crack were then put forward. |
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| Keywords: | thin slab caster longitudinal surface crack preventive measure |
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