Mechanisms of room temperature metastable tetragonal phase stabilisation in zirconia
Mechanisms of tetragonal phase stabilisation, at room temperature, in nanocrystalline (<
100 nm), submicrometre-sized (100 nm–1 μm), and bulk zirconia (ZrO2)(> 1 μm) are …
100 nm), submicrometre-sized (100 nm–1 μm), and bulk zirconia (ZrO2)(> 1 μm) are …
Progress in corrosion resistant materials for supercritical water reactors
Supercritical water reactors (SCWRs) are a kind of high-temperature, high-pressure water-
cooled reactors that operate above the thermodynamic critical point of water (374° C, 22.1 …
cooled reactors that operate above the thermodynamic critical point of water (374° C, 22.1 …
Influence of ZrO2 Structure and Copper Electronic State on Activity of Cu/ZrO2 Catalysts in Methanol Synthesis from CO2
K Samson, M Sliwa, RP Socha, K Góra-Marek… - ACS …, 2014 - ACS Publications
Cu/ZrO2 catalysts obtained by impregnation of ZrO2 and complexation with citric acid were
studied for CO2 hydrogenation to methanol. The catalyst structure, texture, and active …
studied for CO2 hydrogenation to methanol. The catalyst structure, texture, and active …
On the size-dependent phase transformation in nanoparticulate zirconia
We have studied the structures of zirconia nanoparticles formed by plasma-spraying an
organo-metallic precursor. Inspection of the particles in the TEM reveals that they adopt one …
organo-metallic precursor. Inspection of the particles in the TEM reveals that they adopt one …
Zirconia as a support for catalysts: Evolution of the texture and structure on calcination in air
PDL Mercera, JG Van Ommen, EBM Doesburg… - Applied catalysis, 1990 - Elsevier
Zirconia samples, prepared by precipitation from a solution of zirconyl chloride at a constant
pH of 10, were calcined in flowing air at temperatures up to 850° C in order to study the …
pH of 10, were calcined in flowing air at temperatures up to 850° C in order to study the …
Synthesis and structural transformation of zirconia aerogels
DA Ward, EI Ko - Chemistry of materials, 1993 - ACS Publications
Zirconia (Zr02) aerogels were prepared by the sol-gel method using zirconium n-propoxide
in n-propanol followed by supercritical drying with carbon dioxide. This synthesis, without …
in n-propanol followed by supercritical drying with carbon dioxide. This synthesis, without …
Phase Transformation and Photoluminescence Properties of Nanocrystalline ZrO2 Powders Prepared via the Pechini-type Sol−Gel Process
Nanocrystalline ZrO2 fine powders were prepared via the Pechini-type sol− gel process
followed by annealing from 500 to 1000° C. The obtained ZrO2 samples were characterized …
followed by annealing from 500 to 1000° C. The obtained ZrO2 samples were characterized …
Stabilization of Tetragonal ZrO2 in ZrO2–SiO2 Binary Oxides
F del Monte, W Larsen… - Journal of the American …, 2000 - Wiley Online Library
Gel‐glasses of various compositions in the xZrO2.(10–x) SiO2system were fabricated by the
sol–gel process. Precipitation due to the different reactivities between tetraethyl orthosilicate …
sol–gel process. Precipitation due to the different reactivities between tetraethyl orthosilicate …
On the degradation of zirconia ceramics during low-temperature annealing in water or water vapor
X Guo - Journal of Physics and Chemistry of Solids, 1999 - Elsevier
An annealing experiment in boiling water was carried out for 3mol% Y2O3-stabilized ZrO2
for 40h, and the chemical states of zirconium, yttrium and oxygen at the grain boundaries …
for 40h, and the chemical states of zirconium, yttrium and oxygen at the grain boundaries …
From modification to mechanism: Supercritical hydrothermal synthesis of nano-zirconia
Nano-zirconia has been widely applied due to its excellent physical and chemical properties
(eg, high strength, corrosion resistance, oxygen ion conductivity). Existing preparation …
(eg, high strength, corrosion resistance, oxygen ion conductivity). Existing preparation …