Abstract
Banded microstructures are composed of alternate structures or phases which develop mostly parallel to the transformation front. At low growth velocities, bands of the same microstructure but with different scales form through periodic fluctuations of the solidification system. On the other hand, banding can occur as a transformation microstructure when the growth front becomes unstable to oscillations. This instability is either due, at low velocities, to nucleation of another phase (peritectics) or, at high velocities, to nonequilibrium effects at the interface which lead to periodic changes of the microstructure. In this article, the inherent banded patterns of low velocity peritectic solidification and high velocity nonequilibrium solidification will be presented and their origin will be discussed.
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This article is based on a presentation made at the “Analysis and Modeling of Solidification” symposium as part of the 1994 fall meeting of TMS in Rosemont, Illinois, October 2–6, 1994, under the auspices of the TMS Solidification Committee.
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Kurz, W., Trivedi, R. Banded solidification microstructures. Metall Mater Trans A 27, 625–634 (1996). https://doi.org/10.1007/BF02648951
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DOI: https://doi.org/10.1007/BF02648951