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Flow Effects on Mush Coarsening

Kasperovich, Galina and Steinbach, Sonja and Ratke, Lorenz (2010) Flow Effects on Mush Coarsening. Materials Science Forum, 649, pp. 409-414. Trans Tech Publications. doi: doi:10.4028/www.scientific.net/MSF.649.409.

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Official URL: http://www.scientific.net


Gradient annealing experiments of a near-eutectic AlCu30 alloy with artificial stirring induced by a rotating magnetic field (RMF) of 6 mT were performed. The specific surface area of the primary phase was measured on metallographic sections perpendicular to the sample axis with a fixed amount of fraction solid. The variation of the specific surface area with fluid flow is compared to flow free experiments: the specific surface area varies as the inverse cube root of annealing time if no RMF is applied, but varies as an inverse forth root at 6 mT. The experimental procedure and results are presented in detail and discussed with models of convective coarsening of dendrites.

Item URL in elib:https://elib.dlr.de/62949/
Document Type:Article
Title:Flow Effects on Mush Coarsening
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Kasperovich, Galinagalina.kasperovich (at) dlr.deUNSPECIFIED
Steinbach, Sonjasonja.steinbach (at) dlr.deUNSPECIFIED
Ratke, Lorenzlorenz.ratke (at) dlr.deUNSPECIFIED
Date:January 2010
Journal or Publication Title:Materials Science Forum
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 409-414
Publisher:Trans Tech Publications
Keywords:AlCu30 alloy, mushy zone, coarsening, specific surface area, rotating magnetic field
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W FR - Forschung unter Weltraumbedingungen (old)
DLR - Research area:Space
DLR - Program:W FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):W - Vorhaben Materialwissenschaftliche Forschung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Ratke, Prof. Lorenz
Deposited On:27 Jan 2010 08:56
Last Modified:06 Sep 2019 15:22

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