Effect of hot corrosive environment on ceramics

Akihiko Otsuka, Yoshiharu Waku, Kuniyuki Kitagawa and Norio Arai

Energy, 2005, vol. 30, issue 2, 523-533

Abstract: We investigated the effect of moisture on the high-temperature stability of several ceramics at 1700 °C in an atmosphere of oxygen/water vapor (O2/H2O). The melt growth composite (MGC) which is composed of alumina/yttrium-aluminum-garnet, Al2O3/YAG, was the most stable among ceramics at 1700 °C in this atmosphere, showing only a slight change in microstructure, flexural strength and volume after an exposure for 200 h. Thus, MGCs are among the most promising ceramics for structural applications at ultra-high temperatures.

Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:30:y:2005:i:2:p:523-533

DOI: 10.1016/j.energy.2004.04.018

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