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Materials, Functionality & Design

Vojtech, D. and Holecek, S. and Bárta, C. and Bárta jr., C, and Görler, G. P. and Otto, G. and Wittmann, K. and Röstel, R. (1997) Materials, Functionality & Design. 5th European Conference on Advanced Materials and Processes and Applications, Maastricht - NL, 21.-23. April 1997.

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Abstract

In our work, the hypoeutectic alloy of anomalous eutectic system Ag-Ge solidified under terrestrial conditions was compared with that solidified under microgravity. The results obtained showed that the decrease in mobility of compon ents results in significant increase of non-equilibrium level of crystallisation process. The limited convection flow rate in microgravity was observed to result in suppressed separation of solute (germanium) between primary crystals and eutectic.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Materials, Functionality & Design
Authors:
AuthorsInstitution or Email of Authors
Vojtech, D.Institute of Chemical Technology, Dept. of Metals and Corrosion Engineering, Technická 5, 166 28 Prague 6, Czech Republic
Holecek, S.Institute of Chemical Technology, Dept. of Metals and Corrosion Engineering, Technická 5, 166 28 Prague 6, Czech Republic
Bárta, C.BBT Materials Processing, Národní obrany 21, 160 00 Prague, Czech Republic
Bárta jr., C, BBT Materials Processing, Národní obrany 21, 160 00 Prague, Czech Republic
Görler, G. P.German Aerospace Research Establishment, 51147 Cologne, Germany
Otto, G.German Aerospace Research Establishment, 51147 Cologne, Germany
Wittmann, K.German Aerospace Research Establishment, 51147 Cologne, Germany
Röstel, R.German Aerospace Research Establishment, 51147 Cologne, Germany
Date:1997
Page Range:1/455-1/458
Status:Published
Keywords:CRYSTALLISATION OF SILVER-GERMANIUM ALLOY UNDER MICROGRAVITY CONDITIONS
Event Title:5th European Conference on Advanced Materials and Processes and Applications, Maastricht - NL, 21.-23. April 1997
Organizer:FEMS; The Federation of European Materials Societies
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Hauptabteilung Raumflugbetrieb und Astronautenausbildung
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 17:09

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