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- Title
Numerical Simulation of Segregation in Slabs under Different Secondary Cooling Electromagnetic Stirring Modes.
- Authors
Liu, Daiwei; Zhang, Guifang; Zeng, Jianhua; Xie, Xin
- Abstract
Secondary cooling electromagnetic stirring (S-EMS) significantly impacts the internal quality of continuous casting slabs. In order to investigate the effects of S-EMS modes on segregation in slabs, a three-dimensional numerical model of the full-scale flow field, solidification, and mass transfer was established. A comparative analysis was conducted between continuous electromagnetic stirring and alternate stirring modes regarding their impacts on steel flow, solidification, and carbon segregation. The results indicated that adopting the alternate stirring mode was more advantageous for achieving uniform flow fields and reducing the disparity in solidification endpoints, thus mitigating carbon segregation. Specifically, the central carbon segregation index under continuous stirring at 320 A was 1.236, with an average of 1.247, while under alternate stirring, the central carbon segregation index decreased to 1.222 with an average of 1.227.
- Subjects
CONSTRUCTION slabs; CONTINUOUS casting; COMPUTER simulation; MASS transfer; THREE-dimensional modeling; SOLIDIFICATION; CONCRETE slabs
- Publication
Materials (1996-1944), 2024, Vol 17, Issue 11, p2721
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma17112721