平面流铸制备Fe-3%Si硅钢微观组织的数值模拟

doi:10.11896/cldb.23090214

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Abstract Considering the characteristics of the planar flow casting process, numerical simulation was used to analyze the heat transfer, solidification and grain growth of Fe-3%Si silicon steel in plane flow casting process by using cellular automaton and finite element models. Different degrees of reflux were observed near the upper and lower free surfaces in the stable melt pool. The melt that contacts cooling roller begins to solidify to form a stable ribbon in a very short time; the structure of ribbon is equiaxed grains of the roller surface and columnar grains of the free surface, and the grain size is small; the grain size of the roller surface is about 3—5 μm, and the grain size of the free surface is about 7—11 μm. Increasing the superheat and nozzle speed will increase the grain size and the proportion of columnar crystals, while increasing the heat transfer coefficient and cooling roller speed will reduce the grain size.

Key words： planar flow casting numerical simulation silicon steel microstructure columnar grain

Published: 25 January 2025 Online: 2025-01-21

CLC number:

TG244+.3

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	Articles by authors
	GONG Xiaowei
	CHANG Qingming
	CHANG Jiaqi
	BAO Siqian

Cite this article:

GONG Xiaowei,CHANG Qingming,CHANG Jiaqi, et al. Numerical Simulation of Microstructure of Fe-3%Si Silicon Steel Prepared by Planar Flow Casting[J]. Materials Reports, 2025, 39(2): 23090214-7.

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https://www.mater-rep.com/EN/10.11896/cldb.23090214 OR https://www.mater-rep.com/EN/Y2025/V39/I2/23090214

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