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| Naji, M. |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Bernard, Cédric
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Publications (10/10 displayed)
- 2023Étude de l’origine physique de la non linéarité élastique en traction et compression des unidirectionnels à fibres continues de carbone
- 2023Intense shear band plasticity in metallic glass as revealed by a diametral compression testcitations
- 2019Strain rate sensitivity of germanium-selenium glasses
- 2017A sequential pre-cracking procedure to measure the mode-I fracture toughness of ultra pure bulk metallic glassescitations
- 2012Relationship between local strain jumps and temperature bursts due to the Portevin-Le Chatelier effect in an Al-Mg alloycitations
- 2011The Effect of Temperature on Anisotropy Properties of an Aluminium Alloycitations
- 2011High temperature elasticity and viscosity of GexSe1-x glasses in the transition rangecitations
- 2007Room temperature viscosity and delayed elasticity in infrared glass fibercitations
- 2006Toughness of Zr 55 Cu 30 Al 10 Ni 5 bulk metallic glass for two oxygen levelscitations
- 2006Indentation and rheology of inorganic glasses from 20 to 700 °C
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document
Strain rate sensitivity of germanium-selenium glasses
Abstract
International audience ; As describe in a previous publication of Su and al. [Su2013], we determine by constant strain rate indentation path the power law’s creep exponent of low T g binary chalcogenide glasses (Se and Ge-Se). We made this choice of composition for the various atomic structures taken by Ge-Se glasses when the composition is modified. Tests have been performed at room temperature (25 ± 0.5 ̊C). Results gives a good agreement with the literature for the selenium sample whereas results over Ge-Se glasses leads to link creep behavior and atomic glass structure. Furthermore, analysis of atomic force microscopy indentation pictures allowed us to identify a link between glass composition and strain rate sensibility. The most sensitive glass compositions are near mechanical percolation threshold composition.