The effect of casting speed on slag-inclusion defects in 1050 x 200 mm ultra-low-carbon automobile steel slabs | |
Li, Shujun1,2; Du, Xueyan1,2 | |
2021-11-11 | |
发表期刊 | METALLURGICAL RESEARCH & TECHNOLOGY |
ISSN | 2271-3646 |
卷号 | 118期号:6 |
摘要 | The effect of casting speed on slag-inclusion defects in 1050 x 200 mm ultra-low-carbon automobile steel (UAS) slabs was studied by performing nail plate experiments and by monitoring the liquid level fluctuations during the continuous casting process. The number, location, length, and proportion of slag-inclusion defects in hot-rolled coils produced at different casting speeds were analyzed. The results showed that the defects in the hot-rolled coils were mainly owing to the mold protective slag. For the continuous casting speed of 1.6 m/min, the fraction of slag-inclusion defects was the lowest (at 5.3%), and the number of slag-inclusion defects was lower than for the other casting speeds. The length of slag inclusions was under 900 mm. Furthermore, the number of slag-inclusion defects on the upper and lower surfaces was smaller than those for the other casting speeds. At different casting speeds, slag-inclusion defects mainly existed within 100 mm of the edge on both surfaces of hot-rolled coil plates. The fluctuation within the 0-1 mm range was 98.1% for the casting speed of 1.6 m/min, indicating that the flow rate of molten steel on both sides of the nozzle was relatively stable, which helps to control slag-inclusion defects in hot-rolled coils. |
关键词 | casting speed ultra-low-carbon automotive steel slab slag defect flow field |
DOI | 10.1051/metal/2021084 |
收录类别 | SCIE |
语种 | 英语 |
WOS研究方向 | Metallurgy & Metallurgical Engineering |
WOS类目 | Metallurgy & Metallurgical Engineering |
WOS记录号 | WOS:000717207900002 |
出版者 | EDP SCIENCES S A |
来源库 | WOS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/150002 |
专题 | 研究生院 材料科学与工程学院 |
通讯作者 | Du, Xueyan |
作者单位 | 1.Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Gansu, Peoples R China; 2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China |
第一作者单位 | 材料科学与工程学院; 省部共建有色金属先进加工与再利用国家重点实验室 |
通讯作者单位 | 材料科学与工程学院; 省部共建有色金属先进加工与再利用国家重点实验室 |
第一作者的第一单位 | 材料科学与工程学院 |
推荐引用方式 GB/T 7714 | Li, Shujun,Du, Xueyan. The effect of casting speed on slag-inclusion defects in 1050 x 200 mm ultra-low-carbon automobile steel slabs[J]. METALLURGICAL RESEARCH & TECHNOLOGY,2021,118(6). |
APA | Li, Shujun,&Du, Xueyan.(2021).The effect of casting speed on slag-inclusion defects in 1050 x 200 mm ultra-low-carbon automobile steel slabs.METALLURGICAL RESEARCH & TECHNOLOGY,118(6). |
MLA | Li, Shujun,et al."The effect of casting speed on slag-inclusion defects in 1050 x 200 mm ultra-low-carbon automobile steel slabs".METALLURGICAL RESEARCH & TECHNOLOGY 118.6(2021). |
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