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REVIEW ARTICLES: General Lectures

Directional Solidification

[+] Author and Article Information
Stephen H. Davis

Department of Engineering Sciences and Applied Mathematics, Northwestern University, Evanston, IL 60208

Appl. Mech. Rev 43(5S), S3-S8 (May 01, 1990) doi:10.1115/1.3120845 History: Online April 30, 2009

Abstract

The mechanical and electrical properties of crystals produced by a unidirectional process depend strongly on the temperature and flow field in the melt since these control the concentration of solute at the melt–crystal interface. The solute gradient there drives morphological instabilities that lead to cellular or dendritic interfaces. This paper discusses the planar–cellular transition and the description of cellular phenomena in theoretical terms.

Copyright © 1990 by American Society of Mechanical Engineers
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