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doi:10.22028/D291-28469
Title: | Indications for a fragile-to-strong transition in the high- and low-temperature viscosity of the Fe43Cr16Mo16C15B10 bulk metallic glass-forming alloy |
Author(s): | Bochtler, Benedikt Gross, Oliver Busch, Ralf |
Language: | English |
Title: | Applied Physics Letters |
Volume: | 111 |
Issue: | 26 |
Publisher/Platform: | American Institute of Physics |
Year of Publication: | 2017 |
Publikation type: | Journal Article |
Abstract: | Viscosity of the Fe-based bulk metallic glass-forming liquid Fe43Cr16Mo16C15B10 is measured around the glass transition and in the stable liquid. Low-temperature measurements are conducted using three-point beam bending in a thermomechanical analyzer, and high-temperature data are obtained from the damping behavior of an oscillating droplet which is electromagnetically levitated in microgravity on a reduced-gravity aircraft. The alloy displays an intermediately strong liquid behavior (D* = 15.1) at low temperatures and a fragile behavior (D* = 7.9) at high temperatures. Hence, the temperature dependence of viscosity changes drastically between the high- and the low-temperature regime, which suggests the existence of a fragile-to-strong liquid-liquid transition in the supercooled liquid. Furthermore, viscosity and fragility data are discussed with respect to the glass-forming ability of the alloy. |
DOI of the first publication: | 10.1063/1.5013108 |
URL of the first publication: | https://aip.scitation.org/doi/abs/10.1063/1.5013108 |
Link to this record: | hdl:20.500.11880/27674 http://dx.doi.org/10.22028/D291-28469 |
ISSN: | 0003-6951 1077-3118 |
Date of registration: | 6-Sep-2019 |
Faculty: | NT - Naturwissenschaftlich- Technische Fakultät |
Department: | NT - Materialwissenschaft und Werkstofftechnik |
Professorship: | NT - Prof. Dr. Ralf Busch |
Collections: | SciDok - Der Wissenschaftsserver der Universität des Saarlandes |
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