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The use of heat flow modeling to explore solidification phenomena

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Abstract

Some of the basic solidification characteristics of alloys which freeze over a finite temperature range are examined with the help of an explicit finite difference model. Comparison is made between observed and predicted changes in local cooling conditions during directional solidification and deductions made about thermal features and the growth behavior. Some general conclusions are outlined regarding the speed-up of dendrite tip and root isotherms (and other end effect phenomena), elimination of melt superheat by convection currents, and the effect of isothermal latent heat evolution (as in eutectic formation). Some comments are made about the relevance of these considerations to real solidification processes and the importance of numerical modeling in future developments.

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Authors and Affiliations

  1. Department of Metallurgy and Materials Technology, University of Surrey, GU2 5XH, Guildford, Surrey, England

    T. W. Clyne (Lecturer)

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  1. T. W. Clyne
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Clyne, T.W. The use of heat flow modeling to explore solidification phenomena. Metall Trans B 13, 471–478 (1982). https://doi.org/10.1007/BF02667763

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