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3D Synchrotron Imaging of a Directionally Solidified Ternary Eutectic

Dennstedt, Anne and Helfen, Lukas and Steinmetz, Philipp and Nestler, Britta and Ratke, Lorenz (2015) 3D Synchrotron Imaging of a Directionally Solidified Ternary Eutectic. Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science. Springer. doi: 10.​1007/​s11661-015-3294-5. ISSN 1073-5623.

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Abstract

For the first time, the microstructure of directionally solidified ternary eutectics is visualized in three dimensions, using a high-resolution technique of X-ray tomography at the ESRF. The microstructure characterization is conducted with a photon energy, allowing to clearly discriminate the three phases Ag2Al, Al2Cu, and α-Aluminum solid solution. The reconstructed images illustrate the three-dimensional arrangement of the phases. The Ag2Al lamellae perform splitting and merging as well as nucleation and disappearing events during directional solidification.

Item URL in elib:https://elib.dlr.de/102655/
Document Type:Article
Title:3D Synchrotron Imaging of a Directionally Solidified Ternary Eutectic
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Dennstedt, AnneAnne.Dennstedt (at) dlr.deUNSPECIFIED
Helfen, LukasLaboratory for Application of Synchrotron Radiation, Institute for Photon Science and Synchrotron Radiation, ANKA, Karlsruhe Institute of Technology, PO Box 3640, 76021, Karlsruhe, Germany and ESRF, 71 avenue des Martyrs, 38000, Grenoble, FranceUNSPECIFIED
Steinmetz, PhilippInstitute for Applied Materials - Computational Materials Science (IAM-CMS), Karlsruhe Institute of Technology (KIT), KarlsruheUNSPECIFIED
Nestler, BrittaInstitute for Applied Materials - Computational Materials Science (IAM-CMS), Karlsruhe Institute of Technology (KIT), KarlsruheUNSPECIFIED
Ratke, Lorenzlorenz.ratke (at) dlr.deUNSPECIFIED
Date:30 December 2015
Journal or Publication Title:Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.​1007/​s11661-015-3294-5
Publisher:Springer
ISSN:1073-5623
Status:Published
Keywords:X-ray Tomography, Ternary Eutectic Alloy, Directional Solidification, Al-Ag-Cu
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Vorhaben Materialwissenschaftliche Forschung (old), R - Vorhaben Materialforschung unter Mikro-g (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space > Scientific Experiments MP
Deposited By: Kargl, Dr Florian
Deposited On:29 Jan 2016 07:42
Last Modified:06 Sep 2019 15:21

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