Abstract

The mechanism of ribbon formation in chill-block melt spinning of crystalline metal ribbon is considered. A model for combined heat and momentum transfer within the melt puddle, which allows for the propagation of the solid-liquid interface, is summarized. The results of finite difference computations for pure iron are presented. The influence of roll velocity and heat transfer coefficient h at the sample-roll interface on the thicknesses of the momentum and displacement boundary layers and of the solidified metal layer within the melt puddle are discussed.

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