Document Type thesis Author Name Ziolkowski, Joseph Edmund Email Address joeyzzzz at yahoo.com URN etd-1223102-102625 Title Modeling of an Aerospace Sand Casting Process Degree MS Department Materials Science & Engineering Advisors Diran Apelian, Advisor Makhlouf M. Makhlouf, Committee Member Keywords modeling sand casting Date of Presentation/Defense 2002-12-17 Availability unrestricted
Theoretical issues relating to the aerospace sand casting simulation are laid out, identifying parameters used in the model. A sensitivity analysis is performed to examine the mold-metal heat transfer coefficient, mold thermal conductivity, wall friction factor, pouring basin pour temperature, and pouring basin head pressure through doing coupled flow simulations on thin-walled castings using the commercial casting simulation software, MAGMASOFT. A verification exercise is done to match simulation with reality with the knowledge that mold-metal heat transfer coefficient and mold thermal conductivity are the most influential parameters of the five. Validation on a real production casting is performed using the tuned parameters from the verification exercise.
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