Thermal and mechanical properties of CeO 2 | Zendy

Suzuki Kiichi | Zendy; Kato Masato | Zendy; Sunaoshi Takeo | Zendy; Uno Hiroki | Zendy; CarvajalNunez Ursula | Zendy; Nelson Andrew T. | Zendy; McClellan Kenneth J. | Zendy

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Thermal and mechanical properties of CeO 2

Author(s) -

Suzuki Kiichi,

Kato Masato,

Sunaoshi Takeo,

Uno Hiroki,

CarvajalNunez Ursula,

Nelson Andrew T.,

McClellan Kenneth J.

Publication year - 2019

Publication title -

journal of the american ceramic society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.9

H-Index - 196

eISSN - 1551-2916

pISSN - 0002-7820

DOI - 10.1111/jace.16055

Subject(s) - materials science , resonant ultrasound spectroscopy , debye model , thermal conductivity , atmospheric temperature range , thermogravimetric analysis , cerium , thermal , nanoindentation , laser flash analysis , thermodynamics , analytical chemistry (journal) , composite material , elastic modulus , chemistry , metallurgy , physics , organic chemistry , chromatography

The thermal and mechanical properties of cerium dioxide (CeO 2 ) were assessed using a range of experimental techniques. The oxygen potential of CeO 2 was measured by the thermogravimetric technique, and a numerical fit for the oxygen potential of CeO 2 is derived based on defect chemistry. Mechanical properties of CeO 2 were obtained using sound velocity measurement, resonant ultrasound spectroscopy and nanoindentation. The obtained mechanical properties of CeO 2 are then used to evaluate the Debye temperature and Grüneisen constant. The heat capacity and thermal conductivity of CeO 2 were also calculated using the Debye temperature and the Grüneisen constant. Finally, the thermal conductivity was calculated based upon laser flash analysis measurements performed on pellets fabricated using a range of feedstock purities to resolve discrepancies in the existing literature.

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