Study of the Influence of Speed and Method of Melt Casting on the Development of the Axial Zone in Model Ingots

IF 0.7 4区工程技术 Q4 ENGINEERING, CHEMICAL

Theoretical Foundations of Chemical Engineering Pub Date : 2025-03-17 DOI:10.1134/S0040579524601924

S. B. Gamanyuk, D. V. Rutskii, N. A. Zyuban, M. V. Kirilichev, D. S. Afonin, N. A. Burlakov

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Abstract

The paper presents the results of laboratory studies on the influence of the method and speed of melt casting on the solidification process and the features of forming of the axial zone of a large ingot. The research is conducted using physical (cold) simulation on a model ingot weighing 19.6 t. Sodium thiosulfate (crystalline hyposulfite) is used as the simulating solution. The casting of the melt into the mold–crystallizer is performed from the top. It is shown that changing the casting speed of the melt significantly affects the length of the axial zone. It is established that a decrease in the casting speed of the melt leads to an increase in the directionality of crystallization and an improvement in the structure of the axial zone of the ingot. It is found that model ingots that were cast with topping up of the founding head with the melt after a certain interval of time post-filling solidify 1.4 times faster than ingots cast using classical technology.

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熔铸速度和方法对模型铸锭轴向区发展的影响研究

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来源期刊

Theoretical Foundations of Chemical Engineering 工程技术-工程：化工

CiteScore

1.20

自引率

25.00%

发文量

审稿时长

24 months

期刊介绍： Theoretical Foundations of Chemical Engineering is a comprehensive journal covering all aspects of theoretical and applied research in chemical engineering, including transport phenomena; surface phenomena; processes of mixture separation; theory and methods of chemical reactor design; combined processes and multifunctional reactors; hydromechanic, thermal, diffusion, and chemical processes and apparatus, membrane processes and reactors; biotechnology; dispersed systems; nanotechnologies; process intensification; information modeling and analysis; energy- and resource-saving processes; environmentally clean processes and technologies.