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Ratke, Lorenz and Müller, Anja (2006) On the destabilisation of fibrous growth in monotectic alloys. Scripta Materialia, 54, pp. 1217-1220.
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Abstract
Al–Bi alloys of exact monotectic composition were directionally solidified with solidification velocities from 0.3 lm/s to 5 lm/s and temperature gradients from 2 K/mm to 6.5 K/mm. At large gradients and low solidification velocities the monotectic reaction leads to Bismuth fibres in an Aluminium matrix. The Bi fibres are replaced by a string of pearls of Bi droplets at larger velocities or smaller gradients. The transition between both structures is discussed theoretically and compared with the experimental results.
| Item URL in elib: | https://elib.dlr.de/20763/ | |||||||||
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| Document Type: | Article | |||||||||
| Title: | On the destabilisation of fibrous growth in monotectic alloys | |||||||||
| Authors: |
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| Date: | 2006 | |||||||||
| Journal or Publication Title: | Scripta Materialia | |||||||||
| Refereed publication: | Yes | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | Yes | |||||||||
| Volume: | 54 | |||||||||
| Page Range: | pp. 1217-1220 | |||||||||
| Status: | Published | |||||||||
| Keywords: | Directional solidification; Morphological transition; Monotectic alloys | |||||||||
| 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 > Institute of Space Simulation > Center for Solidification of Undercooled Melts (ZEUS) | |||||||||
| Deposited By: | Ratke, Prof. Lorenz | |||||||||
| Deposited On: | 30 Jan 2006 | |||||||||
| Last Modified: | 27 Apr 2009 04:48 |
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