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- Title
Numerical Simulation of Sand Casting of Stainless Steel Pump Impeller.
- Authors
Jurković, Karlo; Schauperl, Zdravko; Šolić, Sanja; Bauer, Branko
- Abstract
This paper investigates the casting defects of a stainless steel pump impeller manufactured through the sand casting process. The material characterization of austenitic steel AISI 316L was initially carried out, which examined the chemical composition of the casting and its microstructure. The next step was to determine the cause of the casting defects using numerical simulations. The numerical simulations were performed using ProCAST software (Version 18.0). Initial results of the filling and solidification simulations were conducted using the parameters employed in the actual casting process, revealing casting defects in corresponding locations. The casting process was subsequently modified to achieve improved results. This involved reconstructing the gating system, redesigning the riser, and incorporating a cylindrical chiller. The results show that the modified casting process significantly reduces the occurrence of defects in the final product. The study provides useful insights into the analysis and modification of the casting process for stainless steel pump impellers produced through sand casting. The results can help improve the quality of such products and reduce production costs associated with casting defects.
- Subjects
SAND casting; STEEL founding; STAINLESS steel; CAST steel; COMPUTER simulation; PUMPING machinery; CENTRIFUGAL pumps
- Publication
Metals (2075-4701), 2024, Vol 14, Issue 4, p435
- ISSN
2075-4701
- Publication type
Article
- DOI
10.3390/met14040435