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Prethodno priopćenje
https://doi.org/10.17559/TV-20200730073808

Effect of Forced Cooling Contraction on Shrinkage Cavity and Segregation of Ultra-thick Continuous Casting Slab

Jiazheng Zhang ; School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, Peopleꞌs Republic of China; State Key Laboratory of Metal Material for Marine Equipment and Application
Ling Yan ; School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, Peopleꞌs Republic of China
Changjun Xu*   ORCID icon orcid.org/0000-0003-4586-522X ; State Key Laboratory of Metal Material for Marine Equipment and Application, Anshan, Liaoning Province, Peopleꞌs Republic of China
Dejun Li* ; State Key Laboratory of Metal Material for Marine Equipment and Application, Anshan, Liaoning Province, Peopleꞌs Republic of China
Lianwang Zhang ; School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, People’s Republic of China

Puni tekst: engleski, pdf (1 MB) str. 1038-1043 preuzimanja: 44* citiraj
APA 6th Edition
Zhang, J., Yan, L., Xu*, C., Li*, D. i Zhang, L. (2021). Effect of Forced Cooling Contraction on Shrinkage Cavity and Segregation of Ultra-thick Continuous Casting Slab. Tehnički vjesnik, 28 (3), 1038-1043. https://doi.org/10.17559/TV-20200730073808
MLA 8th Edition
Zhang, Jiazheng, et al. "Effect of Forced Cooling Contraction on Shrinkage Cavity and Segregation of Ultra-thick Continuous Casting Slab." Tehnički vjesnik, vol. 28, br. 3, 2021, str. 1038-1043. https://doi.org/10.17559/TV-20200730073808. Citirano 29.09.2021.
Chicago 17th Edition
Zhang, Jiazheng, Ling Yan, Changjun Xu*, Dejun Li* i Lianwang Zhang. "Effect of Forced Cooling Contraction on Shrinkage Cavity and Segregation of Ultra-thick Continuous Casting Slab." Tehnički vjesnik 28, br. 3 (2021): 1038-1043. https://doi.org/10.17559/TV-20200730073808
Harvard
Zhang, J., et al. (2021). 'Effect of Forced Cooling Contraction on Shrinkage Cavity and Segregation of Ultra-thick Continuous Casting Slab', Tehnički vjesnik, 28(3), str. 1038-1043. https://doi.org/10.17559/TV-20200730073808
Vancouver
Zhang J, Yan L, Xu* C, Li* D, Zhang L. Effect of Forced Cooling Contraction on Shrinkage Cavity and Segregation of Ultra-thick Continuous Casting Slab. Tehnički vjesnik [Internet]. 2021 [pristupljeno 29.09.2021.];28(3):1038-1043. https://doi.org/10.17559/TV-20200730073808
IEEE
J. Zhang, L. Yan, C. Xu*, D. Li* i L. Zhang, "Effect of Forced Cooling Contraction on Shrinkage Cavity and Segregation of Ultra-thick Continuous Casting Slab", Tehnički vjesnik, vol.28, br. 3, str. 1038-1043, 2021. [Online]. https://doi.org/10.17559/TV-20200730073808

Sažetak
Due to the shrinkage cavities and macro segregation that frequently happened in ultra-thick slab and affected the slab quality, a new technique called forced cooling contraction, which added extra cooling water in solidification end has been provided. The slice moving boundary model was established, the secondary cooling zone was divided into rolling zone, continuous bending zone and segment arc zone. The accuracy of secondary cooling calculation model was verified. The influence on shrinkage cavities and macro segregation was researched when the water flow was from 1,5; 2,5; 4 and 7 times of original water flow. Compared with original water flow, when time of water flow in segment arc zone is lower than 2,5, the shrinkage cavities length decreases. When water flow is 2,5 times of original water flow, the segregation degree and ratio decreased from 1,325 and 0,963 to 1,294 and 0,930, respectively. Combine with the results of shrinkage cavities and macro segregation. The considerable strength of forced cooling is 2,5 times of original water flow.

Ključne riječi
forced cooling contraction; macro segregation; shrinkage cavities; ultra-thick slab

Hrčak ID: 258239

URI
https://hrcak.srce.hr/258239

Posjeta: 94 *