Y2O3 transparent nanoceramics via SPS and ZrO2-doping
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F25%3A43933380" target="_blank" >RIV/60461373:22310/25:43933380 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.oceram.2025.100784" target="_blank" >https://doi.org/10.1016/j.oceram.2025.100784</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.oceram.2025.100784" target="_blank" >10.1016/j.oceram.2025.100784</a>
Alternative languages
Result language
angličtina
Original language name
Y2O3 transparent nanoceramics via SPS and ZrO2-doping
Original language description
The synergistic effect of spark plasma sintering (SPS) and 0–15 mol. % of ZrO₂ doping on the microstructure, mechanical and optical properties of Y<inf>2</inf>O<inf>3</inf> transparent ceramics was investigated. ZrO<inf>2</inf>-doped Y<inf>2</inf>O<inf>3</inf> were obtained by SPS at 1300–1600 °C. Sintering at 1500 °C leads to defect-free, fully dense material with submicron grain size. The grain size of ceramics decreases from 5.2 to 0.11 µm for Y0Z and Y15Z, respectively, since ZrO<inf>2</inf> acts as a grain growth inhibitor. The optimal concentration of ZrO<inf>2</inf> to achieve the highest transparency of yttria is 3 mol. % (82.5 % for λ=5 μm). Increasing concentration of Zr4+ ions increases the number of interstitials O<inf>i</inf>″, leading to a less efficient elimination of porosity. Vickers microhardness increased from 7.06 to 11.17 GPa with an increase in ZrO<inf>2</inf> concentration, while opposite behavior was observed for fracture toughness. The influence of grain size and ZrO<inf>2</inf> concentration on elastic modulus, shear modulus and Poisson's ratio was not revealed. © 2025 The Authors
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20500 - Materials engineering
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Open Ceramics
ISSN
2666-5395
e-ISSN
2666-5395
Volume of the periodical
22
Issue of the periodical within the volume
22
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
8
Pages from-to
100784
UT code for WoS article
001487758200002
EID of the result in the Scopus database
2-s2.0-105004072716