超低碳钢连铸头坯夹杂物研究

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超低碳钢连铸头坯夹杂物研究

易正明, 肖慧

文章导航 > 钢铁钒钛 > 2013 > 34(3): 59-62,66

易正明, 肖慧. 超低碳钢连铸头坯夹杂物研究[J]. 钢铁钒钛, 2013, 34(3): 59-62,66. doi: 10.7513/j.issn.1004-7638.2013.03.012

引用本文:

易正明, 肖慧. 超低碳钢连铸头坯夹杂物研究[J]. 钢铁钒钛, 2013, 34(3): 59-62,66. doi: 10.7513/j.issn.1004-7638.2013.03.012

Yi Zhengming, Xiao Hui. Study on Inclusions in the First Slab of Ultra-low Carbon Steel[J]. IRON STEEL VANADIUM TITANIUM, 2013, 34(3): 59-62,66. doi: 10.7513/j.issn.1004-7638.2013.03.012

Citation:

Yi Zhengming, Xiao Hui. Study on Inclusions in the First Slab of Ultra-low Carbon Steel[J]. IRON STEEL VANADIUM TITANIUM, 2013, 34(3): 59-62,66. doi: 10.7513/j.issn.1004-7638.2013.03.012

易正明, 肖慧. 超低碳钢连铸头坯夹杂物研究[J]. 钢铁钒钛, 2013, 34(3): 59-62,66. doi: 10.7513/j.issn.1004-7638.2013.03.012

引用本文:

易正明, 肖慧. 超低碳钢连铸头坯夹杂物研究[J]. 钢铁钒钛, 2013, 34(3): 59-62,66. doi: 10.7513/j.issn.1004-7638.2013.03.012

Yi Zhengming, Xiao Hui. Study on Inclusions in the First Slab of Ultra-low Carbon Steel[J]. IRON STEEL VANADIUM TITANIUM, 2013, 34(3): 59-62,66. doi: 10.7513/j.issn.1004-7638.2013.03.012

Citation:

Yi Zhengming, Xiao Hui. Study on Inclusions in the First Slab of Ultra-low Carbon Steel[J]. IRON STEEL VANADIUM TITANIUM, 2013, 34(3): 59-62,66. doi: 10.7513/j.issn.1004-7638.2013.03.012

超低碳钢连铸头坯夹杂物研究

doi: 10.7513/j.issn.1004-7638.2013.03.012

易正明,
肖慧

武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室, 湖北武汉 430081

作者简介:
易正明(1973-),男,湖北监利人,副教授,博士,主要从事炼钢工艺技术和新产品开发工作。

中图分类号: TF777
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出版历程
- 收稿日期: 2012-10-12
- 网络出版日期: 2023-12-04

Study on Inclusions in the First Slab of Ultra-low Carbon Steel

Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China

摘要: 对某厂BOF-RH-CC生产的超低碳钢头坯夹杂物变化规律进行研究，结果表明：头坯中T[O]和氮含量均随着浇铸长度的增加呈明显的下降趋势；头坯中显微夹杂物数量和大型夹杂物数量随着浇铸长度的增加大体都呈减少趋势；头坯中显微夹杂物主要为：Al₂O₃、TiN和Al₂O₃-TiN复合夹杂物；大型夹杂物的来源主要为：TiN、SiO₂、Al₂O₃、含K的铝硅酸盐和Na的钙铝硅酸盐复合夹杂物；与正常坯相比较，头坯夹杂物数量在浇铸长度为3.5 m以后与正常坯水平相一致。
- 超低碳钢 /
- 连铸头坯 /
- 夹杂物 /
- 洁净度
Abstract: Through studying the varying pattern of inclusions in the first slab of ultra-low carbon steel produced by BOF-RH-CC process,it is concluded that the nitrogen content and T[O] obviously decrease with increasing casting length;generally,the quantity of micro and large inclusions decrease with the increase of casting length.The micro inclusions in the first slab are mainly Al₂O₃,TiN and Al₂O₃-TiN,and the large inclusions are mainly TiN,SiO₂,Al₂O₃,K-containing aluminosilicate and Na-containing calciumaluminum.This study suggests that the inclusion quantity in the first slab of ultra-low carbon steel is closed to the level of normal slab at and after the length of 3.5 m.
- ultra-low carbon steel /
- the first slab /
- inclusion /
- cleanliness

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