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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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Thomas, Rhys
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (37/37 displayed)
- 2024Quantifying cracking and strain localisation in a cold spray chromium coating on a zirconium alloy substrate under tensile loading at room temperaturecitations
- 2024Quantifying cracking and strain localisation in a cold spray chromium coating on a zirconium alloy substrate under tensile loading at room temperaturecitations
- 2024Identification, classification and characterisation of hydrides in Zr alloyscitations
- 2024Identification, classification and characterisation of hydrides in Zr alloys
- 2024Fractional densities and character of dislocations in different slip modes from powder diffraction patternscitations
- 2024Fractional densities and character of dislocations in different slip modes from powder diffraction patternscitations
- 2024Development of novel carbon-free cobalt-free iron-based hardfacing alloys with a hard π-ferrosilicide phase
- 2024Development of novel carbon-free cobalt-free iron-based hardfacing alloys with a hard π-ferrosilicide phase
- 2023Characterization of Irradiation Damage Using X-Ray Diffraction Line-Profile Analysiscitations
- 2023Characterization of Irradiation Damage Using X-Ray Diffraction Line-Profile Analysiscitations
- 2023Exploring the hydride-slip interaction in zirconium alloyscitations
- 2023Characterization of Hydride Precipitation and Reorientation in Zircaloy-4 at Different Metallurgical States
- 2023The role of hydrides and precipitates on the strain localisation behaviour in a zirconium alloycitations
- 2023Dislocation density transients and saturation in irradiated zirconiumcitations
- 2023Dislocation density transients and saturation in irradiated zirconiumcitations
- 2022Investigating Irradiation Creep of Zircaloy-4 Using In-Situ Proton Irradiation and Transmission Electron Microscopy
- 2022Multi-dimensional study of the effect of early slip activity on fatigue crack initiation in a near-α titanium alloycitations
- 2022A novel method for radial hydride analysis in zirconium alloys:HAPPycitations
- 2022A novel method for radial hydride analysis in zirconium alloyscitations
- 2022Optimising large-area crystal orientation mapping of nanoscale β phase in α + β titanium alloys using EBSDcitations
- 2022Simulation of crystal plasticity in irradiated metals: a case study on Zircaloy-4citations
- 2022CHARACTERISATION OF HYDRIDE PRECIPITATION AND REORIENTATION IN ZIRCALOY-4 AT DIFFERENT METALLURGICAL STATES
- 2022Slip activity during low-stress cold creep deformation in a near-α titanium alloycitations
- 2022Slip activity during low-stress cold creep deformation in a near-α titanium alloycitations
- 2021The Effect of Loading Direction on Slip and Twinning in an Irradiated Zirconium Alloycitations
- 2021Understanding the role of local texture variation on slip activity in a two-phase titanium alloycitations
- 2021Understanding the role of local texture variation on slip activity in a two-phase titanium alloycitations
- 2020Comparison of sub-grain scale digital image correlation calculated using commercial and open-source software packagescitations
- 2020Understanding strain localisation behaviour in a near-α Ti-alloy during initial loading below the yield stress
- 2020Early slip activity and fatigue crack initiation of a near alpha titanium alloycitations
- 2019Characterisation of irradiation enhanced strain localisation in a zirconium alloycitations
- 2019Characterisation of irradiation enhanced strain localisation in a zirconium alloycitations
- 2019Identification of active slip mode in a hexagonal material by correlative scanning electron microscopycitations
- 2019Identification of active slip mode in a hexagonal material by correlative scanning electron microscopycitations
- 2019Data for: Characterisation of irradiation enhanced strain localisation in a zirconium alloy
- 2018Enabling high resolution strain mapping in zirconium alloyscitations
- 2018Enabling high resolution strain mapping in zirconium alloyscitations
Places of action
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booksection
Characterization of Hydride Precipitation and Reorientation in Zircaloy-4 at Different Metallurgical States
Abstract
<jats:p>Hydride precipitation and reorientation have the potential to embrittle zirconium alloys. This study aims to better understand the influence of the zirconium microstructure on hydride precipitation and reorientation. Specifically, the crystallography, phase stability, and morphology of hydride precipitation were correlated to microstructural variations due to changes in the metallurgical state of the zirconium alloy. This work highlights that microstructural features induced during recrystallization have a significant influence on the distribution and orientation of hydrides when no external stress is applied. The stability of γ hydride was shown to be dictated by metallurgical state, whereby its formation was promoted in the recrystallized sample owing to its reduced strength. The influence of grain orientation on γ stability was also explored. It was highlighted that upon cooling, grains oriented in the &lt;101̅0&gt; direction are under compression such that γ-hydride formation is suppressed. This study suggests that the extent of reorientation is driven by differences in hydrogen content of the alloy as well as the applied stress during reorientation, while the influence of the metallurgical state still remains unclear. Quantification of the dislocation density in both the matrix and hydride during precipitation highlighted that extensive matrix recovery takes place during hydriding. It was also shown that the dislocation density in the hydride is lower after thermomechanical loading, whereby the presence of dislocation nests left behind after initial hydride precipitation and dissolution could provide more space for the hydride to precipitate into.</jats:p>