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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, P.
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Topics
Publications (8/8 displayed)
- 2017ULTRA-LOW-CYCLE FATIGUE BEHAVIOR OF FULL-SCALE STRAIGHT PIPES UNDER ALTERNATING BENDINGcitations
- 2014Analysis of the strengthening mechanisms in pipeline steels as a function of the hot rolling parameterscitations
- 2014Delamination of pipeline steels : determination of an anisotropic cleavage criterioncitations
- 2013Delamination of pipeline steels : determination of an anisotropic cleavage criterion
- 2011Recrystallization-precipitation interaction during austenite hot deformation of a Nb microalloyed steelcitations
- 2011Evaluation of the Austenite recrystallization by multideformation and double deformation testscitations
- 2010Characterization of the austenite recrystallization by comparing double deformation and stress relaxation testscitations
- 2007Model alloys to study the solute drag and precipitation effect on the recrystallization kinetics of nb-microalloyed steels
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article
Delamination of pipeline steels : determination of an anisotropic cleavage criterion
Abstract
National audience ; Cleavage fracture anisotropy has been studied on a ferrite-bainite low alloy pipeline steel plate. Mechanical tests have been performed on smooth and notched bars taken along the three principal directions of the plate at temperatures between 20 °C and −196 °C, and analyzed by finite element calculations with an anisotropic plasticity model. The fracture mode of specimens tested along the normal direction differs from that of specimens taken along the two other directions, together with a lower critical cleavage stress. This difference seems to be related to microtexture anisotropy and might explain the sensitivity of this steel to delamination at low temperatures.