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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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Sirvin, Quentin
IMT Mines Albi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Effect of oxygen dissolution on the mechanical behavior of thin Ti-6Al-4V specimens oxidized at high temperature: Experimental and modelling approachcitations
- 2024Increase in elastic and hardness anisotropy of titanium with oxygen uptake due to high temperature oxidation: A multimodal framework using high speed nanoindentation mappingcitations
- 2023Strain localization in Ti and Ti-alloys using three-dimensional topographic imaging
- 2023Effect of oxygen content on the sub-grain nanoindentation response in titanium affected by high temperature oxidation
- 2023Oxygen content effect on mechanical behaviour of cp titanium exposed at elevated temperature.
- 2020Oxygen/nitrogen-assisted degradation of the mechanical behavior of titanium alloys exposed at elevated temperaturecitations
- 2019Oxygen/nitrogen-assisted degradation of the mechanical behavior of titanium alloys exposed at elevated temperaturecitations
- 2019Digital Image Correlation method for monitoring tensile tests at high temperature. Part 1: comparing the speckle quality produced by various methods at high temperature
- 2018Study of the mechanical behavior of titanium sheets alloys and process parameters in hot stamping operations
- 2017Mechanical Behavior And Modelisation Of Ti-6Al-4V Titanium Sheet Under Hot Stamping Conditionscitations
Places of action
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conferencepaper
Oxygen content effect on mechanical behaviour of cp titanium exposed at elevated temperature.
Abstract
Ti-based alloys are particularly prone to oxygen dissolution and embrittlement. Oxygen solubility within titanium leads to the formation of an oxygen-diffusion zone (ODZ) during oxidation processes for a depth up to ten times thicker than the oxide layer. The mechanical and oxidation behaviour of the CP-Ti was investigated using micro-tensile testing of 50 to 800 μm-thick pre-oxidized specimens. Pre-oxidation treatments at 700 °C with various exposures have been performed to generate different ODZ thickness/non-affected material (NAM) thickness ratios ranging from 0 to 100%. These investigations aimed to identify the competition between strengthening effects due to oxygen enrichment and the damage development due to oxygen embrittlement using the graded-property material structure composed of different percentages of NAM and ODZ. Mechanical properties of CP-Ti rise with oxidation time except for strain to failure. The extension of the ODZ follow parabolic law with a parabolic constant 20 μm².h-1.