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ProCAST is the first commercial software that implements a physics based approach for the modeling of shrinkage and gas porosity. It is fully coupled with macro-porosity and pipe shrinkage predictions. The computation of the fluid flow in the mushy zone and the associated pressure drop is based on the Darcy's equation.
Additionally, a gas segregation model, along with the proper treatment of solubility limit and pore nucleation is implemented. This comprehensive approach extends the possibilities of foundrymen to explore and understand complex interactions between processing conditions, liquid alloy purity and porosity predictions. The images on the left show the effect of piston pressure during the compressing stage on the hydrogen porosity in an aluminum high pressure die casting component.
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