| 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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Thibaux, Philippe
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023Fatigue weld crack detection using distributed fiber optic strain sensingcitations
- 2014Quantitative investigation of brittle out-of-plane fracture in X70 pipeline steelcitations
- 2014Microstructural control of ductile crack propagation in TMCP HSLA pipeline steelscitations
- 2013Physical simulation of hot rolling steel plate and coil production for pipeline applicationscitations
- 2013Influence of finishing rolling variables on the austenite recrystallization and grain growth
- 2012Influence of rolling temperature and cooling rate on microstructure and properties of pipeline steel gradescitations
- 2010Control of the Austenite recrystallization in Niobium Microalloyed steelscitations
- 2009Study of the austenite recrystallization-precipitation interaction in Niobium microalloyed steels
- 2001Mechanical behaviour and microstructural evolution of a microalloyed C-Mn steel during hot forming processcitations
Places of action
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conferencepaper
Quantitative investigation of brittle out-of-plane fracture in X70 pipeline steel
Abstract
International audience ; Brittle out-of-plane cracking (by delamination or brittle tilted fracture) affects the impact toughness of pipeline steels. It has been investigated on notched tensile specimens using a local approach to fracture. Smooth and notched bars taken along four directions (including the short transverse direction, ND) have been tested in tension at temperatures between 20 °C and -196 °C. Delamination partly results from the lower value of the critical cleavage stress along ND, linked to the microtexture anisotropy, but also from the presence of ductile microcracks acting as stress concentrators triggering fracture along the rolling plane. Brittle tilted fracture was associated to a relatively lower value of the critical cleavage stress in that plane, but prior delamination was necessary to trigger it. The relevance of a macroscopic critical stress criterion for delamination is finally discussed.