Publicación: COMPLEX BANDED STRUCTURES IN DIRECTINAL SOLIDIFICATION PROCESSES
Fecha
2016
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JOURNAL OF PHYSICS-CONDENSED MATTER
Resumen
A COMBINATION OF THEORY AND NUMERICAL SIMULATION IS USED TO INVESTIGATE IMPURITY SUPERSTRUCTURES THAT FORM IN RAPID DIRECTIONAL SOLIDIFICATION (RDS) PROCESSES IN THE PRESENCE OF A TEMPERATURE GRADIENT AND A PULLING VELOCITY WITH AN OSCILLATORY COMPONENT. BASED ON A CAPILLARY WAVE MODEL, WE SHOW THAT THE RDS PROCESSES ARE ASSOCIATED WITH A RICH MORPHOLOGY OF BANDED STRUCTURES, INCLUDING FREQUENCY LOCKING AND THE TRANSITION TO CHAOS.
