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

Fang, XingInstitute of Engineering Technology, University of Science and Technology Beijing, Beijing, China (author)

QC 20230705
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.

Yang, Yong gangInstitute of Engineering Technology, University of Science and Technology Beijing, Beijing, China (author)
Mu, Wangzhong,Dr.1985-KTH,Strukturer(Swepub:kth)u1o72emm (author)
Yang, Xiao yuInstitute of Engineering Technology, University of Science and Technology Beijing, Beijing, China (author)
Zhang, Han longCentral Research Institute, Baoshan Iron and Steel Co. Ltd, Shanghai, China (author)
Mi, Zhen liInstitute of Engineering Technology, University of Science and Technology Beijing, Beijing, China (author)
Institute of Engineering Technology, University of Science and Technology Beijing, Beijing, ChinaStrukturer (creator_code:org_t)

In:International Journal of Cast Metals Research: Informa UK Limited36:1-3, s. 9-171364-04611743-1336

By the author/editor: Fang, Xing; Yang, Yong gang; Mu, Wangzhong, D ...; Yang, Xiao yu; Zhang, Han long; Mi, Zhen li

About the subject

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Materials Engine ...; and Metallurgy and M ...

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