[HTML][HTML] Beryllium oxide utilized in nuclear reactors: Part I: Application history, thermal properties, mechanical properties, corrosion behavior and fabrication methods

M Hou, X Zhou, B Liu - Nuclear Engineering and Technology, 2022 - Elsevier
In recent years, beryllium oxide has been widely utilized in multiple compact nuclear
reactors as the neutron moderator, the neutron reflector or the matrix material with dispersed …

[HTML][HTML] Beryllium oxide utilized in nuclear reactors: Part II, A systematic review of the neutron irradiation effects

M Hou, X Zhou, B Liu - Nuclear Engineering and Technology, 2023 - Elsevier
Beryllium oxide (BeO) is being re-emphasized and utilized in Micro Modular Reactors
(MMR) because of its prominent nuclear and high temperature properties in recent years …

Asymptotic hydrogen redistribution analysis in yttrium-hydride-moderated heat-pipe-cooled microreactors using DireWolf

S Terlizzi, V Labouré - Annals of Nuclear Energy, 2023 - Elsevier
Yttrium hydride (YH x) is one of the materials being considered for moderating thermal and
epithermal nuclear microreactors. One potential issue with YH x use is that the hydrogen …

[HTML][HTML] Effects of sintering temperatures on the thermal conductivity and microstructural evolution of yttrium hydride monoliths by spark plasma sintering

Y Wang, X Shang, K Hou, X Chen, H Li, S Sun… - Journal of Materials …, 2024 - Elsevier
In this study, YH x (where x represents the H/Y ratio) monoliths were fabricated using Spark
Plasma Sintering (SPS), employing yttrium hydride powder as the raw material. The effects …

Capturing multiphysics effects in hydride moderated microreactors using MARM

VK Mehta, J Armstrong, DV Rao, D Kotlyar - Annals of nuclear energy, 2022 - Elsevier
High temperature hydrides are being considered as neutron moderators for LEU
microreactor systems due to their ability for creating a compact core with minimum loading of …

High-temperature structure, elasticity, and thermal expansion of ε-ZrH1. 8

JR Torres, CA Mizzi, DA Rehn, T Smith… - Journal of Nuclear …, 2025 - Elsevier
Zirconium hydride is a promising candidate material for nuclear microreactor applications as
a solid-state moderator component, owing to its favorable neutronics properties and good …

Evaluation of Yttrium Hydride (δ-YH2-x) Thermal Neutron Scattering Laws and Thermophysical Properties

VK Mehta, MWD Cooper, RB Wilkerson… - Nuclear science and …, 2021 - Taylor & Francis
Yttrium hydride is being considered as a moderator material for microreactor concepts
because of its excellent hydrogen retainment capacity at high temperatures. These types of …

A density functional theory and neutron diffraction study of the ambient condition properties of sub-stoichiometric yttrium hydride

VK Mehta, SC Vogel, AP Shivprasad, EP Luther… - Journal of Nuclear …, 2021 - Elsevier
Several mechanical and thermophysical properties are required as a function of non-
stoichiometry for the successful implementation of YH 2-x for nuclear reactor moderator …

Startup and Multiphysics Analysis of a Compact kW-Class Thermal Spectrum Microreactor

VK Mehta, AP Shivprasad, DV Rao - Nuclear Technology, 2025 - Taylor & Francis
Self-regulating compact nuclear microreactor concepts are being developed for use in
space and at terrestrial remote sites. The current emphasis is on the development of high …

Feasibility of Using Poisons to Suppress the Positive Temperature Reactivity Coefficient in Hydride-Moderated Reactors

VK Mehta, ZA Miller, DV Rao - Nuclear Science and Engineering, 2023 - Taylor & Francis
Metal hydrides are being seriously considered for advanced nuclear reactor or microreactor
applications due to their solid physical state and high hydrogen density. Using hydrides for …