Effects of the superheating degree and cooling intensity on the as-cast microstructure of CP780 thin slab

This paper studied the effects of the superheating degree and cooling intensity on the solidification structure of CP 780 slab. The results indicated that the equiaxed crystal ratio decreases with the increase of superheating degree and the cooling intensity. When the superheating degree increases f...

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Published in:International journal of cast metals research (Online) 2023-05, Vol.36 (1-3), p.9-17
Main Authors: Fang, Xing, Yang, Yong-gang, Mu, Wangzhong, Yang, Xiao-yu, Zhang, Han-long, Mi, Zhen-li
Format: Article
Language:English
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casting microstructure
Center equiaxed crystal ratio
cooling intensity
superheating degree
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container_title International journal of cast metals research (Online)
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creator Fang, Xing
Yang, Yong-gang
Mu, Wangzhong
Yang, Xiao-yu
Zhang, Han-long
Mi, Zhen-li
description This paper studied the effects of the superheating degree and cooling intensity on the solidification structure of CP 780 slab. The results indicated that the equiaxed crystal ratio decreases with the increase of superheating degree and the cooling intensity. When the superheating degree increases from 15 to 25°C, the equiaxed crystal ratio drops sharply. While the equiaxed crystal ratio decreases slightly with an increasing superheating degree from 25°C to 55°C. It is further revealed that the superheating degree has a greater effect on the equiaxed crystal ratio compared with the influence of cooling intensity. Quantitative analysed the relationship among the equiaxed crystal ratio, the superheating degree and cooling intensity is in line with the Extreme 2D model. The accuracy of the model performance can reach 97.6% when predicting the equiaxed crystal ratio of CSP-CP 780 during CSP process.
doi_str_mv 10.1080/13640461.2023.2188682
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source Taylor and Francis:Jisc Collections:Taylor and Francis Read and Publish Agreement 2024-2025:Science and Technology Collection (Reading list)
subjects casting microstructure
Center equiaxed crystal ratio
cooling intensity
superheating degree
title Effects of the superheating degree and cooling intensity on the as-cast microstructure of CP780 thin slab
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