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Type: Artigo de periódico
Title: Analysis of current dendritic growth models during downward transient directional solidification of Sn-Pb alloys
Author: Spinelli, JE
Garcia, A
Abstract: Microstructures are the strategic link between materials processing and materials behavior. The microstructural scales of dendrites, such as primary and secondary arm spacings, control the segregation profiles and the formation of secondary phases within interdendritic regions, which determine the properties of cast structures. A small number of studies have been conducted in order to analyze the effects of melt convection within the interdendritic region. In this article, the influence of thermosolutal convection on dendrite arm spacings is experimentally examined in the downward vertical unsteady-state directional solidification of Sn-Pb hypoeutectic alloys. The main predictive theoretical models for dendritic spacings are compared with the experimental observations. (c) 2005 Elsevier B.V All rights reserved.
Subject: downward solidification
dendritic growth models
Sn-Pb alloys
metals and alloys
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.matlet.2005.01.057
Date Issue: 2005
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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