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Wilde, G., DLR Koeln, und Goerler, G.P., DLR Koeln, und Jeropoulos, K., TU Berlin, und Willnecker, R., DLR Koeln, und Fecht, H.J., TU Berlin, (1998) Specific Volume, Heat Capacity and Viscosity of Deeply Undercooled Pd40Ni40P20 Bulk Glass-forming Alloy. In: Materials Science Forum Trans Tech Publications, Switzerland.
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Kurzfassung
Parallel plate rheometry and tensile creep measurements were used to measure the equilibrium viscosity as a function of temperature of the bulk metallic glass PdNiP in the undercooled liquid state. The pronounced stability of this easy glass forming system against crystallization allows to cover a temperature range of about 110 K for viscosity measurements on the metastable equilibrium liquid state. The applied complementary methods yielded continuous values for viscosity in the range from 10 14 to 10 5 Pa.s. This exceptional wide region of experimentally determined values was found to be well suited to compare different theories and approximations for the temperature dependence of the viscosity known from thle literature. It turns out that the results can be described best by free-volume theory.
| elib-URL des Eintrags: | https://elib.dlr.de/15377/ | ||||||||||||||||||||||||
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| Dokumentart: | Beitrag im Sammelband | ||||||||||||||||||||||||
| Zusätzliche Informationen: | LIDO-Berichtsjahr=1999, | ||||||||||||||||||||||||
| Titel: | Specific Volume, Heat Capacity and Viscosity of Deeply Undercooled Pd40Ni40P20 Bulk Glass-forming Alloy | ||||||||||||||||||||||||
| Autoren: |
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| Datum: | 1998 | ||||||||||||||||||||||||
| Erschienen in: | Materials Science Forum | ||||||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||||||||||
| Band: | 269-272 | ||||||||||||||||||||||||
| Herausgeber: |
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| Verlag: | Trans Tech Publications, Switzerland | ||||||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||||||
| Stichwörter: | Bulk Metallic Glass, Stability Limits, Equilibrium Viscosity, Tensile Creep Measurements, Parallel Plate Rheometry | ||||||||||||||||||||||||
| HGF - Forschungsbereich: | Verkehr und Weltraum (alt) | ||||||||||||||||||||||||
| HGF - Programm: | Weltraum (alt) | ||||||||||||||||||||||||
| HGF - Programmthema: | W EO - Erdbeobachtung | ||||||||||||||||||||||||
| DLR - Schwerpunkt: | Weltraum | ||||||||||||||||||||||||
| DLR - Forschungsgebiet: | W EO - Erdbeobachtung | ||||||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | NICHT SPEZIFIZIERT | ||||||||||||||||||||||||
| Standort: | Köln-Porz | ||||||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Materialphysik im Weltraum > Institut für Raumsimulation | ||||||||||||||||||||||||
| Hinterlegt von: | DLR-Beauftragter, elib | ||||||||||||||||||||||||
| Hinterlegt am: | 16 Sep 2005 | ||||||||||||||||||||||||
| Letzte Änderung: | 14 Jan 2010 13:49 |
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