Solvothermal-derived multicomponent rare-earth cerate ceramics toward remarkable thermophysical properties
The multicomponent rare-earth cerate (YLaNdSmEu)CeO (5RECeO) ceramics were successfully fabricated through solvothermal method and the following calcination process. The microstructure and phase composition of the as-obtained products were systematically characterized via SEM, TEM and XRD techniques. The results showed that the as-synthesised 5RECeO has a single-phase fluorite-type crystal structure with the particle size of approximately 200 nm. Furthermore, the as-synthesised 5RECeO demonstrated lower thermal conductivity (1.9–1.26 W m·K at 25–1000 °C), higher thermal expansion coefficients (CTEs, 12.48 × 10 K at 1000 °C), and outstanding mechanical properties including large Young's modulus (248.0 ± 0.35 GPa) and high fracture toughness (2.4 ± 0.21 MPam). The excellent properties of the as-synthesised 5RECeO demonstrates its potential application as a new type of next-generation TBCs.
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|WOS Research Area|
Materials Science, Ceramics
|WOS Accession No|
|ESI Research Field|
Cited Times [WOS]:0
|Document Type||Journal Article|
|Department||Department of Mechanics and Aerospace Engineering|
Department of Mechanics and Aerospace Engineering,Southern University of Science and Technology (SUSTech),Shenzhen,Guangdong,518055,China
|First Author Affilication||Department of Mechanics and Aerospace Engineering|
|Corresponding Author Affilication||Department of Mechanics and Aerospace Engineering|
|First Author's First Affilication||Department of Mechanics and Aerospace Engineering|
Liu，Debao,Xue，Yahui. Solvothermal-derived multicomponent rare-earth cerate ceramics toward remarkable thermophysical properties[J]. CERAMICS INTERNATIONAL,2023,49(5):7965-7969.
Liu，Debao,&Xue，Yahui.(2023).Solvothermal-derived multicomponent rare-earth cerate ceramics toward remarkable thermophysical properties.CERAMICS INTERNATIONAL,49(5),7965-7969.
Liu，Debao,et al."Solvothermal-derived multicomponent rare-earth cerate ceramics toward remarkable thermophysical properties".CERAMICS INTERNATIONAL 49.5(2023):7965-7969.
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