Fluid Flow, Heat Flow and Macrosegregation in Axi-Symmetric Ingots
Ridder, Stephen Donald
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https://hdl.handle.net/2142/68646
Description
Title
Fluid Flow, Heat Flow and Macrosegregation in Axi-Symmetric Ingots
Author(s)
Ridder, Stephen Donald
Issue Date
1980
Department of Study
Metallurgy and Mining Engineering
Discipline
Metallurgical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Metallurgy
Language
eng
Abstract
A combined theoretical and experimental study of steady-state fluid flow, heat flow and segregation in axi-symmetric ingot production is presented, with specific applications in continuous casting in ESR. The fluid flow - segregation model involves the coupling of convective heat and fluid flow in the fully liquid metal pool ahead of the liquidus isotherm to the interdendritic fluid flow responsible for macrosegregation in the "mushy" zone of ingots solidifying under axi-symmetric conditions. Experiments on both a low-temperature simulated ESR apparatus and on a 200mm ESR ingot mold verify the solidification model.
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