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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. TransTech publications, Switzerland. DOI: doi:10.4028/www.scientific.net/MSF.649.409.
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Official URL: http://www.scientific.net
Abstract
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.
| Document Type: | Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Title: | Flow Effects on Mush Coarsening | ||||||||
| Authors: |
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| Date: | January 2010 | ||||||||
| Journal or Publication Title: | Materials Science Forum | ||||||||
| Refereed publication: | Yes | ||||||||
| In SCOPUS: | Yes | ||||||||
| In ISI Web of Science: | No | ||||||||
| Volume: | 649 | ||||||||
| DOI: | doi:10.4028/www.scientific.net/MSF.649.409 | ||||||||
| Page Range: | pp. 409-414 | ||||||||
| Publisher: | TransTech publications, Switzerland | ||||||||
| Status: | Published | ||||||||
| Keywords: | AlCu30 alloy, mushy zone, coarsening, specific surface area, rotating magnetic field | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Space | ||||||||
| HGF - Program Themes: | W FR - Forschung unter Weltraumbedingungen | ||||||||
| 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: | Prof. Lorenz Ratke | ||||||||
| Deposited On: | 27 Jan 2010 08:56 | ||||||||
| Last Modified: | 07 Feb 2013 20:05 |
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