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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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Daly, Michael
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Mechanical and crystallization properties of hot runner injection molded virgin and recycled polypropylenecitations
- 2021Acute and longer-term psychological distress associated with testing positive for COVID-19: longitudinal evidence from a population-based study of US adultscitations
- 2017A multi-scale correlative investigation of ductile fracturecitations
- 2017Degradation of metallic materials studied by correlative tomographycitations
- 2016Synthesis and characterization of high density polyethylene/peat ash compositescitations
- 2016Chemical surface modification of calcium carbonate particles with stearic acid using different treating methodscitations
- 2016Characteristics of the treated calcium carbonate particles with stearic acid using different treating methods. ; Chemical surface modification of calcium carbonate particles with stearic acid using different treating methods
- 2015Large volume serial section tomography by Xe Plasma FIB dual beam microscopycitations
- 2015Large volume serial section tomography by Xe Plasma FIB dual beam microscopycitations
- 2013Advanced assessment of the ductile fracture mechanism in A508 class 3 reactor pressure vessel steel using laboratory X-ray tomographycitations
- 2013Advanced assessment of ductile tearing in nuclear reactor pressure vessel steel using x-ray tomography
- 2012Advanced assessment of the integrity of ductile components
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document
Advanced assessment of ductile tearing in nuclear reactor pressure vessel steel using x-ray tomography
Abstract
Reactor pressure vessels (RPV) are manufactured from medium strength low allow ferritic steel specifically selected of its high toughness and weldability. The ability of the RPV to withstand crack propagation is crucial to maintaining the operational safety of the reactor plant. Current generations of RPV steels operate at sufficiently high temperatures to ensure that the material remains ductile during its service life. Furthermore, new materials are engineered to exhibit greater ductility and fracture toughness throughout their operating life. Therefore understanding and being able to predict the ductile fracture behaviour is critical for assuring the safety of RPV steels during operating conditions. This paper presents the results of an experimental programme aimed at using 3D X-ray tomography to quantify the volume fraction of ductile voids in tested pre-cracked specimens manufactured from A508 Class 3 RPV steel. The results indicate a high concentration of voids very close to the fracture surface and voids extending 3.6mm below the crack. The data and experimental methodology could be used to calibrate predictive mechanistically based models such as the Gurson-Tvergaard-Needlman (GTN).