The Use of Empirical, Analytical, and Numerical Models to Describe Solidification of Steel During Continuous Casting View Full Text


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Article Info

DATE

1982-02

AUTHORS

T. W. Clyne, A. Garcia, P. Ackermann, W. Kurz

ABSTRACT

A brief outline is given of the different approaches that can be used to model solidification during the continuous casting of steel, by means of unidimensional heat-flow analysis. Mention is made of the effect of a finite thermal resistance across the metal/mold interface that leads to errors in the classical analytical treatments, and the limitations of empirical expressions in describing the resulting behavior are given. The flexibility of the recent analytical solution of Garcia, Clyne, and Prates, in which a finite interfacial conductance is permitted, is then demonstrated by comparison with experimental data.The application of numerical techniques to the unidirectional solidification problem is illustrated by the use of an explicit finite difference model. Among important aspects of the process examined in this way is the handling of latent heat evolution, particularly when this occurs over a finite freezing range. The effect in this context of the nature of the solute redistribution within the mushy zone is outlined. Finally, simulation of the thermal effects of melt superheat and liquid convection is described. Some conclusions are drawn from these studies concerning both the significance of experimental pool profile data and the practical effects of changes in operating conditions. More... »

PAGES

34-39

References to SciGraph publications

  • 1981-06. Solute redistribution during solidification with rapid solid state diffusion in METALLURGICAL AND MATERIALS TRANSACTIONS A
  • 1979-03. Mathematical model for the unidirectional solidification of metals: II. Massive molds in METALLURGICAL AND MATERIALS TRANSACTIONS B
  • 1980-06. On the use of analytic approximations for describing the macroscopic heat flow during solidification in METALLURGICAL AND MATERIALS TRANSACTIONS B
  • 1981. Computer Simulation of Solidification in ADVANCES IN METAL PROCESSING
  • 1975-09. Continuous casting update in METALLURGICAL AND MATERIALS TRANSACTIONS B
  • Journal

    TITLE

    JOM

    ISSUE

    2

    VOLUME

    34

    Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf03339108

    DOI

    http://dx.doi.org/10.1007/bf03339108

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1017224355


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