| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Schawe, Jürgen E. K.
ETH Zurich
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024The glass transition temperature of anhydrous amorphous calcium carbonate
- 2024The glass transition temperature of anhydrous amorphous calcium carbonatecitations
- 2023Glass transition temperatures and crystallization kinetics of a synthetic, anhydrous, amorphous calcium-magnesium carbonatecitations
- 2023Fast differential scanning calorimetry to mimic additive manufacturing processing: specific heat capacity analysis of aluminium alloyscitations
- 2022Kinetics of the Glass Transition of Silica-Filled Styrene–Butadiene Rubber: The Effect of Resins
- 2021Kinetics of the glass transition of styrene-butadiene-rubber : Dielectric spectroscopy and fast differential scanning calorimetry
- 2020Thermodynamics of polymorphism in a bulk metallic glasscitations
- 2019Existence of multiple critical cooling rates which generate different types of monolithic metallic glasscitations
- 2017Nucleation efficiency of fillers in polymer crystallization studied by fast scanning calorimetry: Carbon nanotubes in polypropylenecitations
- 2016Solid–solid phase transitions via melting in metalscitations
- 2016Cooling rate dependence of the crystallinity at nonisothermal crystallization of polymers: A phenomenological modelcitations
- 2015Dynamic mechanical properties of very thin adhesive jointscitations
- 2015The Gibbs free energy difference between a supercooled melt and the crystalline phase of polymerscitations
- 2014Vitrification in a wide cooling rate range: The relations between cooling rate, relaxation time, transition width, and fragilitycitations
Places of action
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article
Thermodynamics of polymorphism in a bulk metallic glass
Abstract
<p>The Au-based bulk metallic glass-forming alloy Au<sub>70</sub>Cu<sub>5.5</sub>Ag<sub>7.5</sub>Si<sub>17</sub> is the first atomic system in which monotropic polymorphism has been experimentally found. In this study, strategies for measuring thermodynamic quantities such as heat capacity, transformation enthalpy and entropy, and Gibbs free energy for stable and metastable phases are evaluated based on this system. The transformation enthalpies between phases are determined via differential scanning calorimetry (DSC); the corresponding heat capacities are measured via stochastic temperature-modulated DSC (TOPEM); and the equilibrium melting temperatures of metastable phases, only detectable at high rates, are determined via fast DSC (FDSC). Whereas the slow heating rate of conventional DSC limits the characterization of metastable phases, the combination of both DSC and FDSC allows for their detailed heat-capacity determination. Furthermore, various approximation functions that have previously been used to determine the temperature dependence of the thermodynamic driving force for nucleation and crystallization are compared with the experimental data.</p>