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Published in:
2005 | OriginalPaper | Chapter
Investigation on Heat Transfer in the Investment Casting
Authors : G. Casalino, J. Orkas, N. Accettura
Published in: AMST’05 Advanced Manufacturing Systems and Technology
Publisher: Springer Vienna
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Ceramic moulds produce castings with fine details, smooth surface (smoothness 3 mm), and a high degree of dimensional accuracy because the metal contraction can be predicted closely enough to provide castings within excellent tolerances (±0.08 mm on dimensions to 25 mm, ±0.13 mm on dimensions to 75 mm, and more).
The purpose of this paper is to study the thermal properties of ceramics shell moulds for investment casting, which is also known as “lost wax process”. A special attention was given to the analysis of the modes governing the heath transfer in the casting process and their correct mathematical modelling. Casting temperatures were measured either by a set of thermocouples and a thermo-camera. Experimental data were compared to the result predicted by commercial simulation software.