Influence of process parameters on grain structure of round billet in vertical continuous casting

The Zhong Yuan Special Steel (ZYSS) installed a vertical caster for the production of special steel. This vertical caster differs from the vertically curved caster, exhibiting unique inclusion behavior, stress distribution, and solidification process. Based on ZYSS’s continuous casting process param...

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Main Authors: L. W. Zhang, C. Lei, N. N. Liu, J. P. Wang, C. J. Xu
Format: Article
Language:English
Published: Croatian Metallurgical Society 2024-01-01
Series:Metalurgija
Subjects:
Online Access:https://hrcak.srce.hr/file/456134
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author L. W. Zhang
C. Lei
N. N. Liu
J. P. Wang
C. J. Xu
author_facet L. W. Zhang
C. Lei
N. N. Liu
J. P. Wang
C. J. Xu
author_sort L. W. Zhang
collection DOAJ
description The Zhong Yuan Special Steel (ZYSS) installed a vertical caster for the production of special steel. This vertical caster differs from the vertically curved caster, exhibiting unique inclusion behavior, stress distribution, and solidification process. Based on ZYSS’s continuous casting process parameters and CAFE nucleation parameters, the chip-moving boundary method was adopted to conduct a numerical simulation of the round billet. The superheat and cooling intensity are key process parameters of continuous casting. A gradual coarsening of the macrostructure can be observed with an increase in the superheat of the liquid steel. When the superheat increases from 30°C to 50°C, the center equiaxed crystal region decreases from 63,56 % to 42,25 %. A lower cooling intensity is beneficial for improving equiaxed crystallization.
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spelling doaj.art-60aac583c8ab433fb51a1ee1525c2e542024-04-05T10:11:41ZengCroatian Metallurgical SocietyMetalurgija0543-58461334-25762024-01-01633-4347349Influence of process parameters on grain structure of round billet in vertical continuous castingL. W. Zhang0C. Lei1N. N. Liu2J. P. Wang3C. J. Xu4School of Materials Science and Engineering, Yingkou Institute of Technology, Yingkou, ChinaZhongyuan Special Steel CO. LTD, Jiyuan, ChinaZhongyuan Special Steel CO. LTD, Jiyuan, ChinaSchool of Materials Science and Engineering, Yingkou Institute of Technology, Yingkou, ChinaSchool of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, ChinaThe Zhong Yuan Special Steel (ZYSS) installed a vertical caster for the production of special steel. This vertical caster differs from the vertically curved caster, exhibiting unique inclusion behavior, stress distribution, and solidification process. Based on ZYSS’s continuous casting process parameters and CAFE nucleation parameters, the chip-moving boundary method was adopted to conduct a numerical simulation of the round billet. The superheat and cooling intensity are key process parameters of continuous casting. A gradual coarsening of the macrostructure can be observed with an increase in the superheat of the liquid steel. When the superheat increases from 30°C to 50°C, the center equiaxed crystal region decreases from 63,56 % to 42,25 %. A lower cooling intensity is beneficial for improving equiaxed crystallization.https://hrcak.srce.hr/file/45613442CrMo steelcontinuous castinground billettemperature fieldgrain structure
spellingShingle L. W. Zhang
C. Lei
N. N. Liu
J. P. Wang
C. J. Xu
Influence of process parameters on grain structure of round billet in vertical continuous casting
Metalurgija
42CrMo steel
continuous casting
round billet
temperature field
grain structure
title Influence of process parameters on grain structure of round billet in vertical continuous casting
title_full Influence of process parameters on grain structure of round billet in vertical continuous casting
title_fullStr Influence of process parameters on grain structure of round billet in vertical continuous casting
title_full_unstemmed Influence of process parameters on grain structure of round billet in vertical continuous casting
title_short Influence of process parameters on grain structure of round billet in vertical continuous casting
title_sort influence of process parameters on grain structure of round billet in vertical continuous casting
topic 42CrMo steel
continuous casting
round billet
temperature field
grain structure
url https://hrcak.srce.hr/file/456134
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