[HTML][HTML] Hydride embrittlement resistance of Zircaloy-4 and Zr-Nb alloy cladding tubes and its implications on spent fuel management
In the spent fuel storage phase, nuclear fuel cladding is subjected to increased
embrittlement owing to a large amount of hydride precipitation. This study compares the …
embrittlement owing to a large amount of hydride precipitation. This study compares the …
A phase-field model for hydride formation in polycrystalline metals: Application to δ-hydride in zirconium alloys
We report a phase-field model for simulating metal hydride formation involving large volume
expansion in single-and polycrystals. As an example, we consider δ-hydride formation in α …
expansion in single-and polycrystals. As an example, we consider δ-hydride formation in α …
Synchrotron diffraction study of dissolution and precipitation kinetics of hydrides in Zircaloy-4
This paper presents observations of in situ heating and cooling cycles using synchrotron X-
ray diffraction carried out on Zircaloy-4 plates charged to different levels of hydrogen …
ray diffraction carried out on Zircaloy-4 plates charged to different levels of hydrogen …
Preparation of a high surface area zirconium oxide for fuel cell application
Stable and high surface area zirconium oxide nanoparticles have been synthesised by
means of the hydrothermal method. The Brunauer–Emmett–Teller results show that a high …
means of the hydrothermal method. The Brunauer–Emmett–Teller results show that a high …
Suppressed hydride precipitation in the welding zone of a zirconium-based alloy cladding tube
The difficulty in characterizing mesoscale hydrides in the highly deformed submicron (< 1 μ
m) scale grain size of the reactor-grade stress-relief annealed (SRA) zirconium-based alloy …
m) scale grain size of the reactor-grade stress-relief annealed (SRA) zirconium-based alloy …
Effects of intergranular hydride precipitation on the mechanical behavior of bicrystalline zirconium: a molecular dynamics-based study
This article investigated the impact of intergranular hydride precipitation on the mechanical
behavior of zirconium (Zr) bi-crystals using molecular dynamics (MD)-based simulations …
behavior of zirconium (Zr) bi-crystals using molecular dynamics (MD)-based simulations …
Creep behavior of hydrogenated zirconium alloys
Zirconium (Zr) alloys are the primary structural materials of most water reactors. Creep is
considered to be one of the important degradation mechanisms of Zr alloys during reactor …
considered to be one of the important degradation mechanisms of Zr alloys during reactor …
Accurate prediction of threshold stress for hydride reorientation in Zircaloy-4 with directly measured interface orientation relationship
D Kim, JH Kang, Y Lee - Materialia, 2022 - Elsevier
Hydride reorientation is a major degradation mechanism of zirconium-based alloys used for
nuclear fuel cladding tubes. A previous commonly used thermodynamic model has limited …
nuclear fuel cladding tubes. A previous commonly used thermodynamic model has limited …
[HTML][HTML] Zirconium hydride precipitation kinetics in Zircaloy-4 observed with synchrotron X-ray diffraction
High-energy synchrotron X-ray diffraction was used to investigate the isothermal
precipitation of δ-hydride platelets in Zircaloy-4 at a range of temperatures relevant to …
precipitation of δ-hydride platelets in Zircaloy-4 at a range of temperatures relevant to …
Multi-physics modeling of delayed hydride cracking in zirconium alloys
Delayed hydride cracking (DHC) threatens the safety and integrity of Zircaloy components.
The typical feature of DHC is presented as the intermittent fracture with the striations on the …
The typical feature of DHC is presented as the intermittent fracture with the striations on the …