Yttrium oxide thin films were prepared by reactive magnetron sputtering in different deposition condition with various oxygen flow rates. The annealing influence on the yttrium oxide film microstructure is investigated. The oxygen flow shows a hysteresis
Y. Mao +7 more
doaj +1 more source
Defect chemistry of yttrium-doped barium zirconate: a thermodynamic analysis of water uptake [PDF]
Thermogravimetry has been used to evaluate the equilibrium constants of the water incorporation reaction in yttrium-doped BaZrO3 with 20-40% yttrium in the temperature range 50-1000 °C under a water partial pressure of 0.023 atm.
Babilo, Peter +2 more
core +1 more source
The structure and possible origins of stacking faults in gamma-yttrium disilicate [PDF]
Parallel stacking faults on (010) planes are frequently observed in hot-pressed Y2Si2O7. A combination of conventional dark-field imaging and high-resolution transmission electron microscopy was used to investigate the structure of these faults and it ...
Batalieva NG +5 more
core +4 more sources
Comparative Analysis on Reinforcement of Potential Additives in WOKA Cermet HVOF Coating Subjected to Slurry Erosion in Ash Conditions [PDF]
In this paper, an investigation was carried out to test the suitability of potential additive materials in WOKA 3533 (WC-10Co4Cr) cermet HVOF coating subjected to slurry erosion in ash conditions.
Jashanpreet Singh +3 more
doaj
In this work, the effective connection between oxide dispersion strengthened tungsten-based material (ODS-W) and TZM alloy has been realized via spark plasma sintering technology.
Dong-Guang Liu +6 more
doaj +1 more source
Effect of Yttrium Oxide Impurities on the Structure and Properties of Metallic Hafnium
The influence of yttrium oxide impurity content of 0 to 0.4 wt.% on the structure and microhardness metal hafniuminvestigated. It is shown that grain size decreases and the Microhardness of hafnium increases monotonically with increasing content of ...
S. V. Chornobuk +2 more
doaj +1 more source
Plastic deformation of dense nanocrystalline yttrium oxide at elevated temperatures [PDF]
Nanocrystalline yttrium oxide, Y2O3 with 110 nm average grain size was plastically deformed between 800 ◦C and 1100 ◦C by compression at different strain rates and by creep at different stresses. The onset temperature for plasticity was at 1000 ◦C. Yield
Chaim, Rachman +4 more
core +2 more sources
Aqueous ZrO 2 and YSZ colloidal systems through microwave assisted hydrothermal synthesis [PDF]
In this paper, the formation of ZrO2 and yttria-stabilised-zirconia (YSZ) aqueous colloidal systems via microwave assisted hydrothermal synthesis is studied.
De Buysser, Klaartje +5 more
core +2 more sources
Rare Earths and the Balance Problem: How to Deal with Changing Markets? [PDF]
The balance between the market demand and the natural abundance of the rare-earth elements (REEs) in ores, often referred to as the Balance Problem (or the Balancing Problem), is a major issue for REE suppliers.
Binnemans, Koen +3 more
core +2 more sources
Processing of yttrium-doped barium zirconate for high proton conductivity [PDF]
The factors governing the transport properties of yttrium-doped barium zirconate (BYZ) have been explored, with the aim of attaining reproducible proton conductivity in well-densified samples.
Babilo, Peter +2 more
core +1 more source

