[HTML][HTML] Quantifying cracking and strain localisation in a cold spray chromium coating on a zirconium alloy substrate under tensile loading at room temperature

I Alakiozidis, C Hunt, R Thomas, D Lunt… - Journal of Nuclear …, 2024 - Elsevier
The mechanical and cracking behaviour of a Cr coating, deposited on an Optimized ZIRLO
TM substrate using the Cold Spraying (CS) technique, was investigated by in-situ scanning …

Phase-field modeling of stacking structure formation and transition of δ-hydride precipitates in zirconium

GM Han, YF Zhao, CB Zhou, DY Lin, XY Zhu, J Zhang… - Acta Materialia, 2019 - Elsevier
Abstract δ-hydride structures in Zr nuclear fuel-rod cladding significantly affect mechanical
properties. A micromechanical phase-field model is developed to investigate the effect of …

Investigation of δ zirconium hydride morphology in a single crystal using quantitative phase field simulations supported by experiments

PCA Simon, LK Aagesen, AM Jokisaari… - Journal of Nuclear …, 2021 - Elsevier
In light water nuclear reactors, waterside corrosion of the cladding material leads to the
production of hydrogen, a fraction of which is picked up by the zirconium cladding and …

Quantifying hydrogen concentration in the vicinity of zirconium hydrides and deformation twins

A Tondro, H Abdolvand - Journal of the Mechanics and Physics of Solids, 2021 - Elsevier
This study focuses on investigating the effects of the localized stresses that develop during
formation of zirconium hydrides on the redistribution of hydrogen atoms in the zirconium …

[HTML][HTML] Morphology prediction of elastically interacting Zr hydride precipitates and cracks in α-Zr using atomistically informed Eshelby's ellipsoidal inclusion

A Ishii - Computational Materials Science, 2024 - Elsevier
We propose an atomistically informed Eshelby's inclusion analysis to investigate the
morphology of secondary phases, which elastically interacted with each other through their …

First-principle analysis of the structural, mechanical, optical and electronic properties of wollastonite monoclinic polymorph

SJ Edrees, MM Shukur, MM Obeid - Computational Condensed Matter, 2018 - Elsevier
The structural, elastic, optical and electronic behavior of CaSiO 3 monoclinic polymorph are
estimated utilizing ultrasoft pseudo-potential technique operated in CASTEP code. The …

Deformation mechanism of embedded hydride within the polycrystalline zirconium matrix

H Ghaffarian, D Jang - Journal of Nuclear Materials, 2022 - Elsevier
It is widely accepted that the characteristics of hydrides in the Zr-based nuclear fuel cladding
are critical factors determining the integrity of the spent fuel. Therefore, to mitigate any harm …

Structure and thermodynamic properties of zirconium hydrides by structure search method and first principles calculations

X Zhu, DY Lin, J Fang, XY Gao, YF Zhao… - Computational Materials …, 2018 - Elsevier
The formation of precipitated zirconium (Zr) hydrides is closely related to the hydrogen
embrittlement of the claddings in pressured water reactors. In this work, we systematically …

[HTML][HTML] Ab initio morphology prediction of Zr hydride precipitates using atomistically informed Eshelby's ellipsoidal inclusion

A Ishii - Computational Materials Science, 2022 - Elsevier
We energetically predicted the morphology of Zr hydride precipitates in a hexagonal close-
packed (HCP) Zr matrix. Considering Zr hydride precipitates as ellipsoids, we used …

[PDF][PDF] Characterizing dislocation loops in irradiated polycrystalline Zr alloys by X-ray line profile analysis of powder diffraction patterns with satellites

T Ungár, G Ribárik, M Topping, RMA Jones… - Journal of applied …, 2021 - journals.iucr.org
This work extends the convolutional multiple whole profile (CMWP) line profile analysis
(LPA) procedure to determine the total dislocation density and character of irradiation …