Results 11 to 20 of about 13,383 (265)

Influence Of Y2O3 On The Structure Of Y2O3-Doped Batio3 Powder And Ceramics [PDF]

International Journal of Engineering Research & Science (IJOER), 2018
Barium titanate (BaTiO3) doped with rare-earth elements (REE) is used as dielectric in the manufacture of multilayer ceramic capacitors (MLCCs). The most common REE oxide employed as dopant for this application is Y2O3. The behavior of the Y3+ in the BaTiO3 structure depends on its concentration and the sintering conditions, among other factors, which ...
Hernández-López, Ana Maria, Guillemet, Sophie, Valdez Nava, Zarel, Aguilar-Garib, Juan Antonio, Tenailleau, Christophe, Dufour, Pascal, Demai, Jean-Jacques, Durand, Bernard   +7 more
openaire   +5 more sources

High-temperature phase relations of ZrN–ZrO2–Y2O3 ternary system

Journal of Advanced Ceramics, 2018
Zirconium nitride (ZrN) ceramics were prepared via hot pressed sintering (HP) at 1750 °C in N2 atmosphere with ZrO2–Y2O3 as sintering additive. X-ray diffraction was applied to analyze the phase composition of the as-prepared ceramics to study the high ...
Youjun Lu, Zhenxia Yuan, Hongfang Shen, Xiaochen Huai, Zhenkun Huang   +4 more
doaj   +2 more sources

Behavior of Cu-Y2O3 and CuCrZr-Y2O3 composites before and after irradiation [PDF]

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2023
: The Cu-Y2O3 and CuCrZr-Y2O3 materials have been devised as thermal barriers in nuclear fusion reactors. It is expected that in the nuclear environments, the materials should be working on extreme conditions of irradiation.
Martins, R., Antão, F., Correia, J.B., Tejado, E., Pastor, J., Galatanu, A., Carvalho, P.A., Alves, E., Dias, M.   +8 more
openaire   +2 more sources

Electroluminescence of Y2O3:Eu and Y2O3:Sm films

Materials Science-Poland, 2013
Electroluminescence of Y2O3:Eu and Y2O3:Sm films, as well as the films coactivated with Eu and Sm, is studied. The electroluminescence spectra are measured. The physical mechanism of electroluminescence is analyzed It is shown that the increase in the heat treatment temperature and the content of doping impurities of the films enhances the intensity of
V. E. Rodionov, I. N. Shmidko, A. A. Zolotovsky, S. P. Kruchinin   +3 more
openaire   +1 more source

Plastic deformation of dense nanocrystalline yttrium oxide at elevated temperatures [PDF]

, 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
Estournès, Claude, Gallardo-López, Angela, Domínguez-Rodríguez, Arturo, Chaim, Rachman, Marder, Rachel   +4 more
core   +1 more source

The optimization of Cu6Y sourced ODS-Cu: Effect of Y2O3 content

Nuclear Materials and Energy, 2023
To refine the dispersive Y2O3 particles and to explore the optimum Y2O3 content, reducing the Y2O3 addition from 1.5 wt% to 0.5 wt% for Cu6Y sourced Cu-Y2O3 was investigated. It was found that reducing the Y2O3 addition had little influence on the number
Bing Ma, Laima Luo, Yoshimitsu Hishinuma, Jing Wang, Yifan Zhang, Hiroyuki Noto, Yucheng Wu, Takeo Muroga   +7 more
doaj   +1 more source

Effect of 1 wt% LiF additive on the densification of nanocrystalline Y2O3 ceramics by spark plasma sintering [PDF]

, 2011
Densification of nanocrystalline cubic yttria (nc-Y2O3) powder, with 18 nm crystal size and 1 wt% LiF as a sintering additive was investigated. Specimens were fabricated by spark plasma sintering at 100 MPa, within the temperature range of 700–1500 °C ...
Estournès, Claude, Claude Estournès, Chevallier, Geoffroy, Chaim, Rachman, Geoffroy Chevallier, Rachman Chaim, Rachel Marder, Marder, Rachel   +7 more
core   +1 more source

A Revised Relationship Between Fracture Toughness and Y2O3 Content in Modern Dental Zirconias

, 2021
The relationship between fracture toughness and Yttria content in modern zirconia ceramics was revised. For that purpose, we evaluated here 10 modern Y2O3-stabilized zirconia (YSZ) materials currently used in biomedical applications, namely prosthetic ...
Katharina, Werbach, Jana, Schürrlein, Renan, Belli, Katrin, Hurle, Anselm, Petschelt, Torsten, Rabe, Ulrich, LOHBAUER, Björn, Mieller, Herwig, Peterlik   +8 more
core   +1 more source

Novel (Y2O3) x (CdO) 1-x binary mixed oxide nanocomposites: facile synthesis, characterization, and photocatalysis enhancement

Journal of Materials Research and Technology, 2023
In the current study, novel (Y2O3) x (CdO) 1-x mixed oxides nanocomposites (NCs) with different Y2O3 loadings (0.0 ≤ x ≤ 0.2) have been synthesized via a facile precipitation approach.
Meshal Alzaid, W.S. Mohamed, Rakan Alanazi, Ibrahim Hotan Alsohaimi, Hassan M.A. Hassan, N.M.A. Hadia, Mohammed Ezzeldien, M.R. El-Aassar, Ahmed M. Abu-Dief   +8 more
doaj   +1 more source

Y2O3:Eu micronic particles synthesised by spray pyrolysis: Global modelling and optimisation of the evaporation stage [PDF]

, 2008
There are a number of some major advantages to be gained in processing micronic europium-doped yttrium oxide Y2O3 particles for phosphor applications using spray pyrolysis.
Caussat, Brigitte, Verelst, Marc, Reuge, Nicolas, Dexpert-Ghys, Jeannette   +3 more
core   +1 more source