Interface Shapes of Nonadiabatic, Steady-State Crystallization

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Abstract
For the case of nonadiabatic, steady‐state crystallization in a supercooled liquid, the class of possible interface shapes, consistent with the interface kinetic restrictions, is examined. For transformations obeying isotropic kinetics, the allowed class of crystal—liquid interfaces consists of denumerable combinations of dendrites and cells. For transformations obeying nonisotropic kinetics, certain classes of kinetic laws preclude the satisfaction of a steady‐state process. However, other classes of nonisotropic kinetic laws permit a steady‐state process. For the latter case, the allowed steady‐state interface shapes are of the same class as those permitted for the case of isotropic kinetics.

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