A review on hydride precipitation in zirconium alloys

J Bair, MA Zaeem, M Tonks - Journal of Nuclear Materials, 2015 - Elsevier
Nucleation and formation of hydride precipitates in zirconium alloys have been an important
factor in limiting the lifetime of nuclear fuel cladding for over 50 years. This review provides a …

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 …

On the effects of texture and microstructure on hydrogen transport towards notch tips: A CPFE study

A Tondro, H Abdolvand - International Journal of Plasticity, 2022 - Elsevier
Hydrogen embrittlement is an important degradation mechanism affecting the lifetime of
engineering components. The diffusion of hydrogen atoms into the metal lattice can be …

Intergranular δ-hydride nucleation and orientation in zirconium alloys

W Qin, NAPK Kumar, JA Szpunar, J Kozinski - Acta Materialia, 2011 - Elsevier
A theoretical understanding of the intergranular δ-hydrides is still lacking, although hydride-
related degradation of the mechanical properties of zirconium alloys has been studied for …

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 …

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 …

Effects of alloying elements (Sn, Nb, Cr, and Mo) on the microstructure and mechanical properties of zirconium alloys

H Yang, J Shen, Y Matsukawa, Y Satoh… - Journal of Nuclear …, 2015 - Taylor & Francis
The alloying effects of Sn, Nb, Cr, and Mo on zirconium alloys were elucidated and
compared. Electron backscatter diffraction, transmission electron microscopy, tensile test …

Preferential precipitation of hydrides in textured zircaloy-4 sheets

NAPK Kumar, JA Szpunar, Z He - Journal of Nuclear Materials, 2010 - Elsevier
Cold-worked and stress relieved (CWSR) zircaloy-4 sheet-samples were charged with 45–
247wt. ppm of hydrogen using an electrolytic technique. Morphology and orientation of …

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 …

Microstructural and textural developments during Zircaloy-4 fuel tube fabrication

KVM Krishna, SK Sahoo, I Samajdar, S Neogy… - Journal of Nuclear …, 2008 - Elsevier
Developments in crystallographic texture and in microstructure were characterized during
the fabrication steps of Zircaloy-4 fuel tube. Textural developments were generalized in …