Abstract
A two-dimensional time dependent model for simultaneous growth of gas pore and solid phase from gas saturated melt was developed. This model was applied to structure formation of ordered porosity metal materials. Fabrication of copper porosity castings was simulated numerically. A procedure for calculating inter-pore spacing and pore radius for a certain technological regime was discussed. It was proved that the structure of ordered porosity metal materials formed at steady-state conditions could consist of pores with different radii. This is observed in real ingots. This is the main distinction between normal eutectic structures and ordered porosity structure.
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