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Solidification of Undercooled Intermetallic Forming Systems

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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Abstract

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.

Item URL in elib:https://elib.dlr.de/43978/
Document Type:Conference or Workshop Item (Speech)
Title:Solidification of Undercooled Intermetallic Forming Systems
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Assadi, H.Tarbiat Modarres University, Tehran, IranUNSPECIFIED
Reutzel, S.Ruhr-Universität BochumUNSPECIFIED
Herlach, D. M.UNSPECIFIEDUNSPECIFIED
Date:2006
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
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)
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: Reutzel, Dr.rer.nat. Sven
Deposited On:01 Mar 2007
Last Modified:27 Apr 2009 12:56

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