The Young’s modulus and the hardness of single crystals and polycrystalline sintered compacts of yttria-stabilized zirconia (YSZ), (Y2O3)x(ZrO2)1−x (x = 0.08, 0.10) was investigated by using the nano-indentation method. Together with results obtained by the secondary electron microscope observation and the electron backscattering diffraction analysis, the effect of the crystal orientation on the mechanical properties was discussed. It was empirically demonstrated that the Young’s modulus of YSZ depends on the crystal orientation. The Young’s modulus of YSZ showed the highest value on the (001) surface while the lowest value on the (111) surface. However, the observed anisotropy of the Young’s modulus was rather small compared with predicted one from the single crystal elastic constants in literature. Compared with the Young’s modulus, the anisotropy of the hardness of YSZ was less significant.
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ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology
June 14–16, 2010
Brooklyn, New York, USA
Conference Sponsors:
- Advanced Energy Systems Division
ISBN:
978-0-7918-4405-2
PROCEEDINGS PAPER
Evaluation of Mechanical Properties of SOFC Components by Nano-Indentation Tests
Kazuhisa Sato,
Kazuhisa Sato
Tohoku University, Sendai, Japan
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Atsushi Unemoto,
Atsushi Unemoto
Tohoku University, Sendai, Japan
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Koji Amezawa,
Koji Amezawa
Tohoku University, Sendai, Japan
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Tatsuya Kawada
Tatsuya Kawada
Tohoku University, Sendai, Japan
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Hideaki Ito
Tohoku University, Sendai, Japan
Kazuhisa Sato
Tohoku University, Sendai, Japan
Atsushi Unemoto
Tohoku University, Sendai, Japan
Koji Amezawa
Tohoku University, Sendai, Japan
Tatsuya Kawada
Tohoku University, Sendai, Japan
Paper No:
FuelCell2010-33158, pp. 381-385; 5 pages
Published Online:
December 3, 2010
Citation
Ito, H, Sato, K, Unemoto, A, Amezawa, K, & Kawada, T. "Evaluation of Mechanical Properties of SOFC Components by Nano-Indentation Tests." Proceedings of the ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2010 8th International Fuel Cell Science, Engineering and Technology Conference: Volume 2. Brooklyn, New York, USA. June 14–16, 2010. pp. 381-385. ASME. https://doi.org/10.1115/FuelCell2010-33158
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