Microgravity science and technology vol:11 issue:1 pages:10-16
A phenomenological model for the resolidification of metal matrix composites is proposed. The simulation does not only take into account all the factors occuring when the metal matrix is liquid, but also the interaction between the solid/liquid interface and the particles. The results can be expressed in several ways, like the volume fraction of particles in function of the vertical position and time, the average nearest neighbour distance between particles and the distribution of cluster sizes and the number of particles included in the largest cluster. The influence of the particle size, gravity, particle size distribution, temperature, solidification rate and sticking probability on the particle distribution is analysed and discussed.