The Eulerian multiphase model of centrifugal casting process of particle reinforced Al matrix composites
Anna J. Dolata, Sławomir Golak, Piotr Ciepliński
Quarterly No. 4, 2017 pages 200-205
DOI:
keywords: particle reinforced metal matrix composites (PMMCs), centrifugal casting, modelling
abstract This article discusses a new model of the centrifugal casting process which uses the full Eulerian approach to modelling composite suspension dynamics. The proposed model, in contrast to models based on the Lagrangian approach, allows one to consider such important phenomena as the presence of maximum packing of reinforcing particles, or the change in viscosity suspension caused by changes in the reinforcement volume fraction. These phenomena are essential for the final result of the composite casting process. The paper presents the results of numerical experiments using the developed model. Simulation of the casting process of the AlSi7MgSr (AK7) aluminium alloy with silicon carbide and graphite was performed. The results showed that the developed model of the centrifugal casting process enables one to recognize the phenomena that are impossible to capture by measurement techniques available today.