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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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Kaestner, Anders
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023A neutron radiography study on the drying of cement mortars: effect of mixture composition and crack lengthcitations
- 2021In Situ Neutron Radiography Investigations of Hydrogen Related Processes in Zirconium Alloyscitations
- 2021Resolving Gas Bubbles Ascending in Liquid Metal from Low-SNR Neutron Radiography Imagescitations
- 2020Characterization of oriented microstructures through anisotropic small-angle scattering by 2D neutron dark-field imagingcitations
- 2018Investigations of the hydrogen diffusion and distribution in Zirconium by means of Neutron Imagingcitations
- 2018Neutron Radiographic Study of the Effect of Heat-Driven Water Transport on the Tensile Strength of Bentonite-Bonded Moulding Sandcitations
- 2017Neutron tomographic imaging of bone-implant interfacecitations
- 2015Quantitative Neutron Dark-field Imaging through Spin-Echo Interferometrycitations
- 2011Spatiotemporal computed tomography of dynamic processescitations
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article
Investigations of the hydrogen diffusion and distribution in Zirconium by means of Neutron Imaging
Abstract
<jats:title>Abstract</jats:title><jats:p>Absorbed hydrogen degrades the mechanical properties of zirconium alloys used for nuclear fuel claddings. Not only the total amount of hydrogen absorbed in the cladding tube but also the zirconium hydride orientation and its distribution influence the toughness of the material. For instance, the so-called delayed hydride cracking is caused by the diffusive re-distribution of hydrogen into the dilative elastic strain field ahead of crack tips. The paper presents in-situ and ex-situ neutron imaging investigations of hydrogen uptake, diffusion and distribution in zirconium alloys used for claddings. An overview about results of in-situ experiments studying the hydrogen uptake in strained Zircaloy-4, as well as ex-situ investigations of the diffusion of hydrogen in cold rolled Zircaloy-2 and Zr-2.5 % Nb alloy depending on temperature, rolling direction and thermal treatment and of the hydrogen re-distribution in the β-phase of Zircaloy-4 during a Three-Point-Bending-Test at 600 °C are presented.</jats:p>