Macro-Scale Phenomena — Formation of Macrostructure
The problem that we would like to solve is to describe mathematically casting solidification and associated phenomena such as macrosegregation and macroshrinkage. To build a correct model it is first necessary to understand the physics associated with the solidification of castings. At the macro-scale level the casting is a two-phase system comprised of solid and liquid. Nucleation and growth of phases is ignored at this stage.
KeywordsHeat Flow Rate Phase Quantity General Transport Equation Surface areaA Macroscopic Transport Equation
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