Results 21 to 30 of about 39,958 (136)

The influence of annealing on yttrium oxide thin film deposited by reactive magnetron sputtering: Process and microstructure

open access: yesNuclear Materials and Energy, 2017
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]

open access: yes, 2008
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]

open access: yes, 2009
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]

open access: yesIranian Journal of Materials Science and Engineering, 2022
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  

Effective joining between oxide dispersion strengthened tungsten-based material (ODS-W) and TZM alloy via spark plasma sintering technology

open access: yesResults in Materials, 2021
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

open access: yesФізика і хімія твердого тіла, 2017
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]

open access: yes, 2012
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]

open access: yes, 2013
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]

open access: yes, 2018
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]

open access: yes, 2007
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

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