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Morphological characterization of the Al–Ag–Cu ternary eutectic

Genau, Amber and Ratke, Lorenz (2012) Morphological characterization of the Al–Ag–Cu ternary eutectic. International Journal of Materials Research, 103 (4), pp. 469-475. Carl Hanser Verlag. doi: 10.3139/146.110652. ISSN 1862-5282.

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Official URL: http://www.ijmr.de/MK110652


Ternary eutectic microstructures have a level of complexity far exceeding that of binary eutectics. As there is currently no detailed description of ternary eutectic structures in the literature, we have undertaken a systematic investigation of the structures formed by directional solidification of the ternary eutectic Al – Ag – Cu. Using a constant temperature gradient of 3 K mm–1and solidification velocities between 0.2 and 5 µm s–1, we are able to observe different forms of the eutectic structure with varying degrees of alignment. We describe these structures both qualitatively and quantitatively, using measures including the volume fraction and composition of all phases, the distribution of interphase separations, and the number of nearest neighbor phases. The effects of solid-state transformations on the microstructure are also discussed.

Item URL in elib:https://elib.dlr.de/75679/
Document Type:Article
Title:Morphological characterization of the Al–Ag–Cu ternary eutectic
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Genau, AmberUniversity Alabama at BirminghamUNSPECIFIEDUNSPECIFIED
Date:April 2012
Journal or Publication Title:International Journal of Materials Research
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 469-475
Publisher:Carl Hanser Verlag
Keywords:directional solidification, eutectics, ternary alloys, microstructure
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 Materialforschung unter Mikro-g (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Ratke, Prof. Lorenz
Deposited On:16 May 2012 15:38
Last Modified:10 Jan 2019 15:48

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