Results 21 to 30 of about 39,827 (264)

Effect of adding yttrium on precipitation behaviors of inclusions in E690 ultra high strength offshore platform steel

open access: yesHigh Temperature Materials and Processes, 2020
The mechanism of inclusions precipitation of the E690 offshore platform steel, with and without addition of yttrium, was studied using the thermodynamic calculation method.
Xi Xiaojun   +4 more
doaj   +1 more source

Transparent yttrium hydride thin films prepared by reactive sputtering [PDF]

open access: yes, 2011
Metal hydrides have earlier been suggested for utilization in solar cells. With this as a motivation we have prepared thin films of yttrium hydride by reactive magnetron sputter deposition.
Hauback, B. C.   +5 more
core   +2 more sources

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

Experimental study on fluidization of micronic powders [PDF]

open access: yes, 2005
The fluidization behavior of yttrium oxide (Y2O3) powders of high density and micronic diameter belonging to the group C of Geldart’s classification has been investigated.
Alavi, Shila, Caussat, Brigitte
core   +2 more sources

Mechanical properties of tungsten alloys with Y2O3 and titanium additions [PDF]

open access: yes, 2011
In this research the mechanical behaviour of pure tungsten (W) and its alloys (2 wt.% Ti–0.47 wt.% Y2O3 and 4 wt.% Ti–0.5 wt.% Y2O3) is compared. These tungsten alloys, have been obtained by powder metallurgy.
A. Martín   +11 more
core   +5 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

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   +3 more sources

Electrophoretic deposition prepared yttria as interface of tungsten fiber reinforced tungsten composites

open access: yesNuclear Materials and Energy, 2023
As the interface material for tungsten fiber reinforced tungsten composites (Wf/W), yttrium oxide thin films were prepared via an electrophoretic deposition (EPD) method in this study. The yttrium oxide dispersion is optimized based on its Zeta potential.
Y. Mao   +5 more
doaj   +1 more source

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