Effect of water vapor on static fatigue behavior of a nickel/yttria-stabilized zirconia composite

Tsuneaki Matsudaira, Byungkoog Jang, Sun Dong Kim, Sang Kuk Woo

研究成果: ジャーナルへの寄稿評論記事

抄録

The effect of water vapor on the mechanical properties of a porous nickel/yttria-stabilized zirconia (NiYSZ) composite (volume ratio of Ni:YSZ = 40:60) was evaluated at 850°C, a typical operating temperature of a reversible solid oxide cell. Both the flexural strength and static fatigue limit of NiYSZ obtained from the static fatigue lifetime under a wet atmosphere (containing 4% H2O) were lower than those under a dry atmosphere. This can be explained by absorption of H2O molecules into YSZ particles, resulting in accelerated crack growth. The fatigue limit of NiYSZ was confirmed to be extremely low, corresponding to almost one-third of the flexural strength.

元の言語英語
ページ(範囲)416-418
ページ数3
ジャーナルJournal of the Ceramic Society of Japan
125
発行部数5
DOI
出版物ステータス出版済み - 5 1 2017

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Yttria stabilized zirconia
Steam
yttria-stabilized zirconia
Nickel
Water vapor
water vapor
nickel
Fatigue of materials
Bending strength
composite materials
Composite materials
flexural strength
Oxides
Crack propagation
atmospheres
Mechanical properties
Molecules
operating temperature
cracks
mechanical properties

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

これを引用

Effect of water vapor on static fatigue behavior of a nickel/yttria-stabilized zirconia composite. / Matsudaira, Tsuneaki; Jang, Byungkoog; Kim, Sun Dong; Woo, Sang Kuk.

:: Journal of the Ceramic Society of Japan, 巻 125, 番号 5, 01.05.2017, p. 416-418.

研究成果: ジャーナルへの寄稿評論記事

Matsudaira, Tsuneaki ; Jang, Byungkoog ; Kim, Sun Dong ; Woo, Sang Kuk. / Effect of water vapor on static fatigue behavior of a nickel/yttria-stabilized zirconia composite. :: Journal of the Ceramic Society of Japan. 2017 ; 巻 125, 番号 5. pp. 416-418.
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