Ceramic mineral waste-forms for nuclear waste immobilization

AI Orlova, MI Ojovan - Materials, 2019 - mdpi.com
Crystalline ceramics are intensively investigated as effective materials in various nuclear
energy applications, such as inert matrix and accident tolerant fuels and nuclear waste …

Current advances on titanate glass-ceramic composite materials as waste forms for actinide immobilization: A technical review

Y Zhang, L Kong, M Ionescu, DJ Gregg - Journal of the European Ceramic …, 2022 - Elsevier
As the emerging versatile waste forms for immobilizing actinide-rich radioactive wastes,
glass-ceramic composite materials based on some durable ceramic phases are being …

Surface thermodynamics of yttrium titanate pyrochlore nanomaterials

ME Reece, J Li, AC Strzelecki, J Wen, Q Zhang, X Guo - Nanoscale, 2024 - pubs.rsc.org
Nanocrystalline pyrochlore materials have been investigated for their enhanced radiation
tolerance as ceramic nuclear waste hosts. In this work, we study the thermodynamic driving …

A review of brannerite structured materials for nuclear waste management

Y Zhang, AH Mir - Journal of Nuclear Materials, 2023 - Elsevier
Brannerite structured materials (AB 2 O 6) have attracted recent attention as nuclear
materials particularly as candidate waste forms for the immobilization of uranium-rich …

Hot isostatically pressed Y2Ti2O7 and Gd2Ti2O7 pyrochlore glass-ceramics as potential waste forms for actinide immobilization

T Wei, Y Zhang, L Kong, YJ Kim, A Xu… - Journal of the European …, 2019 - Elsevier
Abstract Both Y 2 Ti 2 O 7 and Gd 2 Ti 2 O 7 pyrochlore glass-ceramics (GCs) have been
prepared with an oxide route and consolidated via hot isostatic pressing (HI**) as waste …

Phase Evolution in the CaZrTi2O7–Dy2Ti2O7 System: A Potential Host Phase for Minor Actinide Immobilization

LR Blackburn, LT Townsend, SM Lawson… - Inorganic …, 2022 - ACS Publications
Zirconolite is considered to be a suitable wasteform material for the immobilization of Pu and
other minor actinide species produced through advanced nuclear separations. Here, we …

Phase evolution and chemical durability of co-doped Gd2Zr2O7 ceramics for nuclear waste forms

X Lu, L Fan, X Shu, S Su, Y Ding, F Yi - Ceramics International, 2015 - Elsevier
Abstract (Gd 1− x Nd x) 2 (Zr 1− x Ce x) 2 O 7 (0≤ x≤ 1.0) ceramics were synthesized to
investigate the co-do** effects on the phase evolution and chemical durability of Gd 2 Zr 2 …

Phase structure and aqueous stability of TRPO waste incorporation into Gd2Zr2O7 pyrochlore

L Fan, X Shu, X Lu, Y **e, Y Ding, T Duan, B Dang… - Ceramics …, 2015 - Elsevier
The present work explores the potential of Gd 2 Zr 2 O 7 pyrochlore based materials for
incorporation of trialkyl phosphine oxides (TRPO) waste which is a mixture of multi-nuclides …

Structure and performance evolution of the system (Gd1− xNdx) 2 (Zr1− yCey) 2O7 (0≤ x, y≤ 1.0)

X Shu, L Fan, X Lu, Y **e, Y Ding - Journal of the European Ceramic …, 2015 - Elsevier
A series of pyrochlore structure oxides (Gd 1− x Nd x) 2 (Zr 1− y Ce y) 2 O 7 (0≤ x, y≤ 1.0)
were fabricated and investigated. The end member of A-site substitution (Nd 2 Zr 2 O 7) …

Diffuse reflectance spectroscopy and principal component analysis to retrospectively determine production history of plutonium dioxide

E Villa-Aleman, JH Christian, JR Darvin… - Applied …, 2023 - journals.sagepub.com
Diffuse reflectance spectroscopy measurements in the shortwave infrared (930–1600 nm)
spectral region were acquired for Pu2 (C2O4) 3• 9H2O and its thermal decomposition …