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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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Crespo, Daniel
Universitat Politècnica de Catalunya
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Effect of temperature and frequency on the viscoelastic behavior of commercial 6082 (Al–Mg–Si) alloy
- 2022Nanoporous Copper Ribbons Prepared by Chemical Dealloying of a Melt-Spun ZnCu Alloycitations
- 2021A model study on controlling dealloying corrosion attack by lateral modification of surfactant inhibitorscitations
- 2021A model study on controlling dealloying corrosion attack by lateral modification of surfactant inhibitorscitations
- 2021Simplistic correlations between molecular electronic properties and inhibition efficiencies: Do they really exist?citations
- 2015Aging and structural relaxation of hyper-quenched Mg<inf>65</inf>Cu<inf>25</inf>Y<inf>10</inf> metallic glasscitations
- 2013Relaxation of rapidly quenched metallic glasses: Effect of the relaxation state on the slow low temperature dynamicscitations
- 2005Mössbauer Study of the Ball Milling Disordering Process of FeAl Intermetallic Compounds
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article
Relaxation of rapidly quenched metallic glasses: Effect of the relaxation state on the slow low temperature dynamics
Abstract
The relaxation spectrum of rapidly quenched Mg65Cu 25Y10 metallic glass ribbons is studied by mechanical spectroscopy at temperatures below and around the glass transition. The comparison between hyper-quenched and relaxed samples is used to examine the origin of the low temperature "excess wing" of internal friction commonly observed in mechanical spectroscopy of metallic glasses. The results show that the excess wing can be attributed to access of the system to the broad α-relaxation process while evidence of secondary relaxations is not found. This suggests that in this glassy system the activation energies of structural relaxation and low temperature deformation are directly related to the activation energy of the main relaxation process of the glassy state. © 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.