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Transition from A Planar Interface to Cellular and Dendritic Structures During Rapid Solidification Processing

Published online by Cambridge University Press:  25 February 2011

V. Laxmanan*
Affiliation:
Department of Metallurgy and Materials Science, Case Western Reserve University, Cleveland, Ohio 44106. Concurrently, Visiting Scientist, NASA Lewis Research Center, Mail Stop 105-1, Cleveland, Ohio 44135.
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Abstract

Microstructural transitions occurring during solidification processes may be described in terms of three dimensionless parameters, s, p and σC, which include among them various processing variables and relevant material constants. The dimensionless parameter, s, in particular offers a convenient description of both planar-cellular and cell-dendrite transitions. The relationships between σC, s and p predicted by various dendrite growth models have been summarized.

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Type
Research Article
Copyright
Copyright © Materials Research Society 1986

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