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Shrinkage Prediction for the Investment Casting of Stainless Steels...

by Adrian Sabau
Publication Type
Conference Paper
Book Title
Transactions of the American Foundry Society
Publication Date
Page Numbers
281 to 292
Volume
115
Conference Name
AFS-NADCA - 111th Metalcasting Congress
Conference Location
Houston, Texas, United States of America
Conference Date

In this study, the alloy shrinkage factors were obtained for the investment casting of 17-4PH stainless steel parts. For the investment casting process, unfilled wax and fused silica with a zircon prime coat were used for patterns and shell molds, respectively. Dimensions of the die tooling, wax pattern, and casting were measured using a Coordinate Measurement Machine in order to obtain the actual tooling allowances. The alloy dimensions were obtained from numerical simulation results of solidification, heat transfer, and deformation phenomena. The numerical simulation results for the shrinkage factors were compared with experimental results.