Assadi, H. and Reutzel, S. and Herlach, D. M. (2006) Solidification of Undercooled Intermetallic Forming Systems. COM 2006 - Conference of Metallurgists, 2006-10-01 - 2006-10-04, Montréal, Canada.
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Intermetallics exhibit unique solidification behaviour due to their chemical long-range order. This includes, for instance, generally slow solidification kinetics, and in some cases, an anomalous partitioning behaviour. In the present work the electromagnetic levitation technique – complemented by theoretical modelling – is used to explore various aspects of this behaviour, as observed in solidification of B2 phase in undercooled melts of the Ni-Al system. Moreover, a phase-field model is developed and used to illustrate the effect of chemical order on the solidification kinetics of a B2 phase in a model system. The phase-field model provides an additional basis for the simulation of solidification microstructures in intermetallic forming systems. Both experimental studies and theoretical work signify the role of chemical order in solidification of intermetallics.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||Solidification of Undercooled Intermetallic Forming Systems|
|Keywords:||Unterkühlung von Materialien|
|Event Title:||COM 2006 - Conference of Metallurgists|
|Event Location:||Montréal, Canada|
|Event Type:||international Conference|
|Event Dates:||2006-10-01 - 2006-10-04|
|Organizer:||Metallurgical Society of CIM|
|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)|
|Institutes and Institutions:||Institute of Materials Physics in Space > Institute of Space Simulation > Center for Solidification of Undercooled Melts (ZEUS)|
|Deposited By:||Dr.rer.nat. Sven Reutzel|
|Deposited On:||01 Mar 2007|
|Last Modified:||27 Apr 2009 12:56|
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