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Computer Modeling and Experimental Verification of Mold Filling in Counter-Gravity Lost Foam Casting Process

[+] Author Affiliations
Sayavur I. Bakhtiyarov, Ruel A. Overfelt

Auburn University, Auburn University, AL

Paper No. FEDSM2003-45765, pp. 2371-2377; 7 pages
  • ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference
  • Volume 1: Fora, Parts A, B, C, and D
  • Honolulu, Hawaii, USA, July 6–10, 2003
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3696-7 | eISBN: 0-7918-3673-8
  • Copyright © 2003 by ASME


A dynamics of the molten metal-polymeric foam interface has been experimentally observed in “window counter-gravity lost foam casting” of standard GM plates. The observations allowed revealing the effect of the pyrolisis of polymeric foam material on molten metal propagation velocity. FLOW-3D software (Flow Science, Inc.) has been used to simulate liquid metal filling dynamics and the molten metal-polymeric foam interface velocity in foam plates. The effect of the degradation gaseous products on the molten metal-polymeric foam interface velocity was taken into consideration through specially written sub-routing program. The results of the simulations are compared with the experimental data obtained in this study.

Copyright © 2003 by ASME



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