Hydrogen-enhanced degradation and oxide effects in zirconium alloys for nuclear applications

A Zieliński, S Sobieszczyk - International journal of hydrogen energy, 2011 - Elsevier
The zirconium alloys used in nuclear industry include mainly Zr–Sn and Zr–Nb alloys of
different chemical composition, microstructure and susceptibility to both hydrogen …

Mechanisms of hydride nucleation, growth, reorientation, and embrittlement in zirconium: A review

YJ Jia, WZ Han - Materials, 2023 - mdpi.com
Zirconium (Zr) hydrides threaten the reliability of fuel assembly and have repeatedly induced
failures in cladding tubes and pressure vessels. Thus, they attract a broad range of research …

Microstructure and mechanical properties of hydride blisters formed on Zircaloy-4 claddings

HA Kim, JS Kim, Y Lee, S Kim, Y Lee, YS Kim… - Journal of Nuclear …, 2024 - Elsevier
To assess the microstructural and mechanical characteristics of hydride blisters formed on
Zircaloy-4 tubes, we employ the electron backscatter diffraction (EBSD) analyses and micro …

Precipitation characteristics and distributions of subsurface hydrides in zirconium

YJ Jia, IJ Beyerlein, WZ Han - Acta Materialia, 2021 - Elsevier
Hydride precipitates that develop in Zr after absorbing hydrogen can impart significant
material hardening and embrittlement. Here, we use electrolytic hydrogen charging to …

Susceptibility of Zr-2.5 (wt.%) Nb alloy to undergo nodular corrosion in water and steam environments: Effect of surface, cold work, temperature

A Samanta, TK Sawarn, S Banerjee, AK Tyagi… - Progress in Nuclear …, 2023 - Elsevier
Nodular corrosion can severely affect the service life of zirconium alloys in water cooled
nuclear reactors. In this study, the susceptibility of pressure tube alloy to undergo nodular …

Effect of external stress on hydride reorientation in zirconium

YJ Jia, WZ Han - Acta Materialia, 2022 - Elsevier
The usage and long-term storage of nuclear fuel cladding motivate efforts to understand the
effect of external stress on hydride precipitation. Here, by using in situ bending device in …

Delayed hydride cracking in Zr–2.5 Nb pressure tube material

RN Singh, N Kumar, R Kishore, S Roychaudhury… - Journal of Nuclear …, 2002 - Elsevier
Delayed hydride cracking (DHC) is one of the localized forms of hydride embrittlement
caused by hydrogen migration up the tensile stress gradient. In this work, DHC velocity was …

Terminal solid solubility of hydrogen in Zr-alloy pressure tube materials

RN Singh, S Mukherjee, A Gupta, S Banerjee - Journal of alloys and …, 2005 - Elsevier
In this work, terminal solid solubility (TSS) of hydrogen for Zr-alloy pressure tube materials
was determined corresponding to end of hydride dissolution (TSSD) and start of hydride …

Evolution of texture and intergranular stresses of αZr and minority phases in Zr-2.5 Nb pressure tube through synchrotron X-ray diffraction

MAV Alvarez, C Buioli, J Santisteban, P Vizcaino - Acta Materialia, 2024 - Elsevier
This study investigates the impact of different processing steps on the crystallographic
texture evolution of αZr and minority phases βZr and ωZr, and intergranular stresses as a …

Microstructure characterization of a hydride blister in Zircaloy-4 by EBSD and TEM

F Long, D Kerr, G Domizzi, Q Wang, MR Daymond - Acta Materialia, 2017 - Elsevier
This paper presents a detailed microstructural characterization by EBSD and TEM
techniques of a hydride blister grown on a Zircaloy-4 plate. The hydrides formed are found to …