Effect of computational domain size on the mathematical modeling of transport processes and segregation during directional solidification View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2000-12

AUTHORS

C. Frueh, D. R. Poirier, S. D. Felicelli

ABSTRACT

Using a finite-element simulator, a directionally solidified hypoeutectic Pb-Sn alloy was modeled in two dimensions to determine the effect of the height of the overlying liquid on convective transport and macrosegregation. It was determined that, while the strength of the convection in the overlying liquid depends on the square root of its height, one need not model the entire domain to predict freckling. Furthermore, the assumption of a constant thermal gradient in the liquid causes the predicted convection to be somewhat weaker than the convection in the temperature field used in directional solidification processing. More... »

PAGES

3129-3135

References to SciGraph publications

  • 1995-10. An Integrated procedure for modeling investment castings in JOM
  • 1970-06. The viscosities of lead, tin, and Pb-Sn alloys in METALLURGICAL AND MATERIALS TRANSACTIONS B
  • 1991-12-01. Simulation of freckles during vertical solidification of binary alloys in METALLURGICAL AND MATERIALS TRANSACTIONS B
  • 1991-12-01. The energy and solute conservation equations for dendritic solidification in METALLURGICAL AND MATERIALS TRANSACTIONS B
  • 1988-12. Enthalpies of a binary alloy during solidification in METALLURGICAL AND MATERIALS TRANSACTIONS A
  • 1988-09. Densities of Pb-Sn alloys during solidification in METALLURGICAL AND MATERIALS TRANSACTIONS A
  • 1990-02. Conservation of mass and momentum for the flow of interdendritic liquid during solidification in METALLURGICAL AND MATERIALS TRANSACTIONS B
  • 1988-07. Channel formation in Pb-Sn, Pb-Sb, and Pb-Sn-Sb alloy ingots and comparison with the system NH4CI-H2O in METALLURGICAL AND MATERIALS TRANSACTIONS A
  • 1997-07. Modeling of micro- and macrosegregation and freckle formation in single-crystal nickel-base superalloy directional solidification in METALLURGICAL AND MATERIALS TRANSACTIONS A
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s11661-000-0092-4

    DOI

    http://dx.doi.org/10.1007/s11661-000-0092-4

    DIMENSIONS

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