## Micro/macro scale phenomena in solidification: presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, Anaheim, California, November 8-13, 1992, Volume 218 |

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### Contents

An Ad Hoc NonEquilibrium Numerical Model of the Solidification of the Binary Metal Model | 1 |

Thermosolutal Convection During Unidirectional Dendritic Growth and Its Effect | 9 |

Author Index | 151 |

Copyright | |

### Common terms and phrases

algorithm alloy aluminum assumed binary boundary conditions calculated casting centerline segregation coarsening columnar computed concentration constant convection cooling rate crystal dendrite arm spacing dendrite cell dendrite envelope dendrite models dendrite tip dendritic solidification density dewar diffusion length directional solidification drag coefficient effects enthalpy equation equiaxed dendrite equilibrium eutectic experimental Figure Flemings fluid flow Furnace Model gradient grain refiner growth heat transfer heater powers ingot interdendritic fluid interdendritic liquid interface latent heat LSRE macroscopic macrosegregation mass material melt spinning metal Method microstructure mold mushy region mushy zone nucleation numerical model obtained parameters particle partition coefficient permeability perturbation phase diagram Phenomena in Solidification PID controller porosity predict primary dendrite spacings radius Rappaz ribbon sample temperature settling ratio settling velocity shown in Fig solid fraction solid phase solidification process solidus solute diffusion specific sphericity step structure surface tension thermal thermocouple Trans undercooling volume averaging volume fraction welding