Crystallization of gallium in a traveling magnetic field as a model experiment
Résumé
This contribution focuses on small-scale model experiments for directional solidification processes using a gallium volume with a square horizontal cross-section and dimensions of 10x10x7.5 cm3. A vertical temperature gradient is generated using a heater at the top and a cooler at the bottom. The setup is placed in a coil system generating a traveling magnetic field. The position and shape of phase interface and the melt flow during melting and solidification processes are investigated both experimentally and numerically. A coupled 3D numerical model of melt flow and phase interface is validated.
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