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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 3/2015

01.06.2015 | Original Paper

Synthesis and characterization of ceria–yttria co-stabilized zirconia (CYSZ) nanoparticles by sol–gel process for thermal barrier coatings (TBCs) applications

verfasst von: Morteza Hajizadeh-Oghaz, Reza Shoja Razavi, Ali Ghasemi

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 3/2015

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Abstract

Nanocrystalline ceria–yttria co stabilized zirconia (CYSZ) powder was successfully synthesized by the Pechini complex route. The obtained powder was tetragonal ZrO2. Fourier transform infrared spectroscopy was employed to evaluate the bonding characteristics of the obtained gel. Thermo gravimetric analysis together with differential scanning calorimetry was used to investigate the variations of dried gel properties with temperature and to identify the appropriate heating process. The effect of heat treatment procedure on the purity and crystallographic structure of the final product was studied by the use of X-ray diffraction. Furthermore, Raman spectra were recorded at room temperature to find out about possible Raman modes and to understand the structure of CYSZ nanoparticles. The changes in morphology and the size distribution were studied by field emission scanning electron microscopy and transmission electron microscopy. The CYSZ powder contained primary particles of 25 nm size with a uniform distribution. Thermal conductivity of nanostructured CYSZ measured by laser flash technique, found to be lower than conventional counterpart.
Vorheriger Artikel Non-supercritical drying sol–gel preparation of superhydrophobic aerogel ORMOSIL thin films with controlled refractive index
Nächster Artikel Sol–gel synthesis and characterization of silica–zirconia inorganic polymer as 99Mo/99mTc generator

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Metadaten
Titel
Synthesis and characterization of ceria–yttria co-stabilized zirconia (CYSZ) nanoparticles by sol–gel process for thermal barrier coatings (TBCs) applications
verfasst von
Morteza Hajizadeh-Oghaz
Reza Shoja Razavi
Ali Ghasemi
Publikationsdatum
01.06.2015
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 3/2015
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-015-3639-y

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