[HTML][HTML] Hydride embrittlement resistance of Zircaloy-4 and Zr-Nb alloy cladding tubes and its implications on spent fuel management

S Kim, JH Kang, Y Lee - Journal of Nuclear Materials, 2022 - Elsevier
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 …

Synchrotron diffraction study of dissolution and precipitation kinetics of hydrides in Zircaloy-4

O Zanellato, M Preuss, JY Buffiere, F Ribeiro… - Journal of Nuclear …, 2012 - Elsevier
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 …

A phase-field model for hydride formation in polycrystalline metals: Application to δ-hydride in zirconium alloys

TW Heo, KB Colas, AT Motta, LQ Chen - Acta Materialia, 2019 - Elsevier
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 …

Creep behavior of hydrogenated zirconium alloys

A Sarkar, K Boopathy, J Eapen, KL Murty - Journal of materials …, 2014 - Springer
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 …

Preparation of a high surface area zirconium oxide for fuel cell application

R Sigwadi, M Dhlamini, T Mokrani… - International Journal of …, 2019 - Springer
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 …

Suppressed hydride precipitation in the welding zone of a zirconium-based alloy cladding tube

S Kim, JH Kang, Y Lee - Journal of Nuclear Materials, 2023 - Elsevier
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 …

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 …

Effects of intergranular hydride precipitation on the mechanical behavior of bicrystalline zirconium: a molecular dynamics-based study

S Patil, A Parashar - Mechanics of Materials, 2024 - Elsevier
This article investigated the impact of intergranular hydride precipitation on the mechanical
behavior of zirconium (Zr) bi-crystals using molecular dynamics (MD)-based simulations …

[HTML][HTML] Zirconium hydride precipitation kinetics in Zircaloy-4 observed with synchrotron X-ray diffraction

MS Blackmur, JD Robson, M Preuss… - Journal of nuclear …, 2015 - Elsevier
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 …

Multi-physics modeling of delayed hydride cracking in zirconium alloys

Z Xia, J Zhang, Q Tong, S Ding - Journal of the Mechanics and Physics of …, 2019 - Elsevier
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 …