Thermophysical Properties of Samarium-Cerium Oxide for Thermal Barrier Coatings Application

Abstract:

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Sm0.4Ce0.6O1.8 specimen with a defective fluorite structure was synthesized and its thermophysical properties were characterized for thermal barrier coatings (TBCs) application. At high temperature, Sm0.4Ce0.6O1.8 exhibited much lower thermal conductivity than 7wt% yttria-stabilized zirconia (7YSZ)-the commonly used composition in current TBCs. Sm0.4Ce0.6O1.8 also possessed large thermal expansion coefficient, which could help reduce the thermal mismatch between the ceramic coating and bond coat.

Info:

Periodical:

Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong

Pages:

1773-1775

DOI:

10.4028/www.scientific.net/KEM.336-338.1773

Citation:

C. L. Wan et al., "Thermophysical Properties of Samarium-Cerium Oxide for Thermal Barrier Coatings Application", Key Engineering Materials, Vols. 336-338, pp. 1773-1775, 2007

Online since:

April 2007

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Price:

$35.00

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